60623

Table 4.1D Past Year Initiation of Illicit Drug Use among Persons Aged 12 or Older, Persons Aged 12 or Older At Risk for Initiation of Illicit Drug Use, and Past Year Illicit Drug Users Aged 12 or Older, by Demographic Characteristics: Standard Errors of Numbers in Thousands and Standard Errors of Percentages, 2004 and 2005
Demographic Characteristic | NUMBER OF PAST YEAR INITIATES (1,000s)1 | PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 | PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 | PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
--- | --- | --- | --- | ---
2004 | 2005 | 2004 | 2005 | 2004 | 2005 | 2004 | 2005
TOTAL | 100 | 139 | 0.04 | 0.06 | 0.08 | 0.10 | 0.28 | 0.39
AGE |  |  |  |  |  |  |  |
12-25 | 64 | 69 | 0.11 | 0.12 | 0.19 | 0.20 | 0.39 | 0.42
12-17 | 51 | 50 | 0.20 | 0.20 | 0.26 | 0.25 | 0.86 | 0.86
12-13 | 23 | 24 | 0.27 | 0.29 | 0.31 | 0.32 | 2.44 | 2.58
14-15 | 33 | 33 | 0.36 | 0.37 | 0.47 | 0.46 | 1.50 | 1.59
16-17 | 32 | 31 | 0.37 | 0.34 | 0.59 | 0.52 | 1.05 | 1.02
18-25 | 41 | 47 | 0.13 | 0.14 | 0.29 | 0.33 | 0.38 | 0.41
18-20 | 37 | 40 | 0.28 | 0.29 | 0.59 | 0.58 | 0.71 | 0.75
21-25 | 21 | 26 | 0.10 | 0.13 | 0.26 | 0.32 | 0.34 | 0.40
26 or Older | 77 | 115 | 0.04 | 0.06 | 0.08 | 0.11 | 0.40 | 0.60
GENDER |  |  |  |  |  |  |  |
Male | 59 | 68 | 0.05 | 0.06 | 0.10 | 0.12 | 0.30 | 0.35
Female | 82 | 118 | 0.07 | 0.09 | 0.11 | 0.16 | 0.52 | 0.73
GENDER/AGE |  |  |  |  |  |  |  |
Male 12-17 | 33 | 35 | 0.26 | 0.27 | 0.34 | 0.35 | 1.12 | 1.21
Female 12-17 | 37 | 35 | 0.30 | 0.29 | 0.38 | 0.36 | 1.26 | 1.23
*Low precision; no estimate reported. NOTE: Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. 1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview. 2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table 4.1P Past Year Initiation of Illicit Drug Use among Persons Aged 12 or Older, Persons Aged 12 or Older At Risk for Initiation of Illicit Drug Use, and Past Year Illicit Drug Users Aged 12 or Older, by Demographic Characteristics: P Values from Tests of Differences of Percentages, 2005 Versus 2004
Demographic Characteristic | NUMBER OF PAST YEAR INITIATES (1,000s)1 | PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 | PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 | PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
--- | --- | --- | --- | ---
2004 | 2005 | 2004 | 2005 | 2004 | 2005 | 2004 | 2005
TOTAL | N/A |  | 0.5864 |  | 0.5351 |  | 0.5276 |
AGE |  |  |  |  |  |  |  |
12-25 | N/A |  | 0.9402 |  | 0.7273 |  | 0.7269 |
12-17 | N/A |  | 0.9359 |  | 0.5749 |  | 0.1588 |
12-13 | N/A |  | 0.1449 |  | 0.1782 |  | 0.1221 |
14-15 | N/A |  | 0.9678 |  | 0.5837 |  | 0.0427 |
16-17 | N/A |  | 0.2319 |  | 0.0620 |  | 0.5860 |
18-25 | N/A |  | 0.9617 |  | 0.9581 |  | 0.9377 |
18-20 | N/A |  | 0.4435 |  | 0.4642 |  | 0.5455 |
21-25 | N/A |  | 0.3402 |  | 0.3339 |  | 0.4309 |
26 or Older | N/A |  | 0.4971 |  | 0.4683 |  | 0.4972 |
GENDER |  |  |  |  |  |  |  |
Male | N/A |  | 0.3408 |  | 0.3474 |  | 0.3310 |
Female | N/A |  | 0.9589 |  | 0.8807 |  | 0.8830 |
GENDER/AGE |  |  |  |  |  |  |  |
Male 12-17 | N/A |  | 0.4139 |  | 0.7566 |  | 0.1053 |
Female 12-17 | N/A |  | 0.5110 |  | 0.2829 |  | 0.6518 |
*Low precision; no estimate reported. N/A: Not applicable. NOTE: Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. 1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview. 2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table 4.2D Past Year Initiation of Marijuana Use among Persons Aged 12 or Older, Persons Aged 12 or Older At Risk for Initiation of Marijuana Use, and Past Year Marijuana Users Aged 12 or Older, by Demographic Characteristics: Standard Errors of Numbers in Thousands and Standard Errors of Percentages, 2004 and 2005
Demographic Characteristic | NUMBER OF PAST YEAR INITIATES (1,000s)1 | PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 | PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 | PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
--- | --- | --- | --- | ---
2004 | 2005 | 2004 | 2005 | 2004 | 2005 | 2004 | 2005
TOTAL | 81 | 121 | 0.03 | 0.05 | 0.06 | 0.08 | 0.34 | 0.46
AGE |  |  |  |  |  |  |  |
12-25 | 63 | 65 | 0.11 | 0.11 | 0.17 | 0.17 | 0.49 | 0.49
12-17 | 45 | 44 | 0.18 | 0.17 | 0.21 | 0.20 | 1.02 | 1.07
12-13 | 16 | 13 | 0.19 | 0.16 | 0.19 | 0.16 | 3.91 | 4.67
14-15 | 29 | 30 | 0.33 | 0.33 | 0.37 | 0.37 | 1.88 | 2.02
16-17 | 33 | 31 | 0.39 | 0.35 | 0.54 | 0.47 | 1.26 | 1.24
18-25 | 45 | 45 | 0.14 | 0.14 | 0.28 | 0.28 | 0.49 | 0.48
18-20 | 43 | 39 | 0.32 | 0.29 | 0.58 | 0.51 | 0.94 | 0.88
21-25 | 17 | 22 | 0.08 | 0.11 | 0.19 | 0.24 | 0.34 | 0.42
26 or Older | 47 | 97 | 0.03 | 0.05 | 0.04 | 0.09 | 0.37 | 0.75
GENDER |  |  |  |  |  |  |  |
Male | 44 | 57 | 0.04 | 0.05 | 0.07 | 0.09 | 0.31 | 0.37
Female | 64 | 104 | 0.05 | 0.08 | 0.08 | 0.13 | 0.65 | 0.96
GENDER/AGE |  |  |  |  |  |  |  |
Male 12-17 | 30 | 30 | 0.24 | 0.23 | 0.28 | 0.27 | 1.39 | 1.46
Female 12-17 | 32 | 31 | 0.26 | 0.25 | 0.30 | 0.28 | 1.56 | 1.53
*Low precision; no estimate reported. 1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview. 2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table 4.2P Past Year Initiation of Marijuana Use among Persons Aged 12 or Older, Persons Aged 12 or Older At Risk for Initiation of Marijuana Use, and Past Year Marijuana Users Aged 12 or Older, by Demographic Characteristics: P Values from Tests of Differences of Percentages, 2005 Versus 2004
Demographic Characteristic | NUMBER OF PAST YEAR INITIATES (1,000s)1 | PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 | PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 | PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
--- | --- | --- | --- | ---
2004 | 2005 | 2004 | 2005 | 2004 | 2005 | 2004 | 2005
TOTAL | N/A |  | 0.7259 |  | 0.7083 |  | 0.8853 |
AGE |  |  |  |  |  |  |  |
12-25 | N/A |  | 0.1936 |  | 0.1269 |  | 0.3351 |
12-17 | N/A |  | 0.0567 |  | 0.0307 |  | 0.6966 |
12-13 | N/A |  | 0.3157 |  | 0.3158 |  | 0.3886 |
14-15 | N/A |  | 0.4505 |  | 0.3084 |  | 0.2632 |
16-17 | N/A |  | 0.0705 |  | 0.0281 |  | 0.3997 |
18-25 | N/A |  | 0.9620 |  | 0.9777 |  | 0.9704 |
18-20 | N/A |  | 0.3146 |  | 0.2962 |  | 0.3865 |
21-25 | N/A |  | 0.0832 |  | 0.0901 |  | 0.1048 |
26 or Older | N/A |  | 0.4966 |  | 0.4953 |  | 0.4820 |
GENDER |  |  |  |  |  |  |  |
Male | N/A |  | 0.5281 |  | 0.5964 |  | 0.5654 |
Female | N/A |  | 0.4272 |  | 0.4452 |  | 0.6832 |
GENDER/AGE |  |  |  |  |  |  |  |
Male 12-17 | N/A |  | 0.4637 |  | 0.3381 |  | 0.8137 |
Female 12-17 | N/A |  | 0.0468 |  | 0.0328 |  | 0.4500 |
*Low precision; no estimate reported. N/A: Not applicable. 1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview. 2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table 4.3D Past Year Initiation of Cigarette Use among Persons Aged 12 or Older, Persons Aged 12 or Older At Risk for Initiation of Cigarette Use, and Past Year Cigarette Users Aged 12 or Older, by Demographic Characteristics: Standard Errors of Numbers in Thousands and Standard Errors of Percentages, 2004 and 2005
Demographic Characteristic | NUMBER OF PAST YEAR INITIATES (1,000s)1 | PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 | PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 | PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
--- | --- | --- | --- | ---
2004 | 2005 | 2004 | 2005 | 2004 | 2005 | 2004 | 2005
TOTAL | 72 | 86 | 0.03 | 0.04 | 0.09 | 0.10 | 0.11 | 0.12
AGE |  |  |  |  |  |  |  |
12-25 | 66 | 70 | 0.11 | 0.12 | 0.21 | 0.22 | 0.33 | 0.35
12-17 | 50 | 50 | 0.20 | 0.20 | 0.26 | 0.25 | 0.96 | 0.97
12-13 | 22 | 22 | 0.26 | 0.26 | 0.28 | 0.28 | 3.11 | 3.07
14-15 | 30 | 31 | 0.33 | 0.36 | 0.43 | 0.44 | 1.55 | 1.79
16-17 | 34 | 33 | 0.40 | 0.38 | 0.67 | 0.60 | 1.16 | 1.13
18-25 | 46 | 46 | 0.14 | 0.14 | 0.40 | 0.38 | 0.30 | 0.30
18-20 | 41 | 42 | 0.30 | 0.30 | 0.71 | 0.68 | 0.63 | 0.66
21-25 | 24 | 22 | 0.12 | 0.11 | 0.40 | 0.36 | 0.25 | 0.23
26 or Older | 20 | 40 | 0.01 | 0.02 | 0.04 | 0.08 | 0.04 | 0.08
GENDER |  |  |  |  |  |  |  |
Male | 47 | 58 | 0.04 | 0.05 | 0.15 | 0.17 | 0.13 | 0.16
Female | 51 | 59 | 0.04 | 0.05 | 0.11 | 0.12 | 0.16 | 0.18
GENDER/AGE |  |  |  |  |  |  |  |
Male 12-17 | 32 | 33 | 0.25 | 0.26 | 0.32 | 0.33 | 1.27 | 1.33
Female 12-17 | 36 | 36 | 0.29 | 0.29 | 0.38 | 0.37 | 1.29 | 1.32
*Low precision; no estimate reported. 1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview. 2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table 4.3P Past Year Initiation of Cigarette Use among Persons Aged 12 or Older, Persons Aged 12 or Older At Risk for Initiation of Cigarette Use, and Past Year Cigarette Users Aged 12 or Older, by Demographic Characteristics: P Values from Tests of Differences of Percentages, 2005 Versus 2004
Demographic Characteristic | NUMBER OF PAST YEAR INITIATES (1,000s)1 | PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 | PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 | PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
--- | --- | --- | --- | ---
2004 | 2005 | 2004 | 2005 | 2004 | 2005 | 2004 | 2005
TOTAL | N/A |  | 0.2270 |  | 0.4612 |  | 0.2511 |
AGE |  |  |  |  |  |  |  |
12-25 | N/A |  | 0.4257 |  | 1.0000 |  | 0.2359 |
12-17 | N/A |  | 0.9724 |  | 0.5799 |  | 0.1740 |
12-13 | N/A |  | 0.9916 |  | 0.9354 |  | 0.9881 |
14-15 | N/A |  | 0.3224 |  | 0.7215 |  | 0.0023 |
16-17 | N/A |  | 0.3043 |  | 0.1131 |  | 0.6974 |
18-25 | N/A |  | 0.2422 |  | 0.5379 |  | 0.2174 |
18-20 | N/A |  | 0.5865 |  | 0.9114 |  | 0.3782 |
21-25 | N/A |  | 0.3087 |  | 0.4413 |  | 0.3322 |
26 or Older | N/A |  | 0.1309 |  | 0.1387 |  | 0.1354 |
GENDER |  |  |  |  |  |  |  |
Male | N/A |  | 0.1237 |  | 0.3451 |  | 0.0863 |
Female | N/A |  | 0.7953 |  | 0.9184 |  | 0.9369 |
GENDER/AGE |  |  |  |  |  |  |  |
Male 12-17 | N/A |  | 0.3547 |  | 0.6219 |  | 0.1585 |
Female 12-17 | N/A |  | 0.4266 |  | 0.2222 |  | 0.4810 |
*Low precision; no estimate reported. N/A: Not applicable. 1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview. 2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table 4.4D Past Year Initiation of Alcohol Use among Persons Aged 12 or Older, Persons Aged 12 or Older At Risk for Initiation of Alcohol Use, and Past Year Alcohol Users Aged 12 or Older, by Demographic Characteristics: Standard Errors of Numbers in Thousands and Standard Errors of Percentages, 2004 and 2005
Demographic Characteristic | NUMBER OF PAST YEAR INITIATES (1,000s)1 | PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 | PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 | PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
--- | --- | --- | --- | ---
2004 | 2005 | 2004 | 2005 | 2004 | 2005 | 2004 | 2005
TOTAL | 127 | 108 | 0.05 | 0.04 | 0.27 | 0.25 | 0.08 | 0.07
AGE |  |  |  |  |  |  |  |
12-25 | 98 | 92 | 0.17 | 0.16 | 0.38 | 0.37 | 0.30 | 0.27
12-17 | 73 | 69 | 0.29 | 0.27 | 0.40 | 0.38 | 0.74 | 0.72
12-13 | 32 | 28 | 0.37 | 0.32 | 0.41 | 0.36 | 2.22 | 2.29
14-15 | 50 | 49 | 0.52 | 0.52 | 0.71 | 0.70 | 1.26 | 1.28
16-17 | 47 | 49 | 0.51 | 0.53 | 0.99 | 1.00 | 0.85 | 0.89
18-25 | 62 | 61 | 0.19 | 0.19 | 0.91 | 0.92 | 0.25 | 0.24
18-20 | 54 | 53 | 0.39 | 0.36 | 1.23 | 1.19 | 0.53 | 0.50
21-25 | 39 | 35 | 0.19 | 0.17 | 1.38 | 1.30 | 0.23 | 0.21
26 or Older | 74 | 31 | 0.04 | 0.02 | 0.31 | 0.14 | 0.06 | 0.02
GENDER |  |  |  |  |  |  |  |
Male | 73 | 71 | 0.06 | 0.06 | 0.41 | 0.39 | 0.09 | 0.09
Female | 103 | 77 | 0.08 | 0.06 | 0.36 | 0.31 | 0.14 | 0.10
GENDER/AGE |  |  |  |  |  |  |  |
Male 12-17 | 46 | 47 | 0.36 | 0.36 | 0.51 | 0.51 | 0.98 | 1.02
Female 12-17 | 50 | 51 | 0.40 | 0.41 | 0.56 | 0.56 | 1.01 | 1.00
*Low precision; no estimate reported. 1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview. 2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table 4.4P Past Year Initiation of Alcohol Use among Persons Aged 12 or Older, Persons Aged 12 or Older At Risk for Initiation of Alcohol Use, and Past Year Alcohol Users Aged 12 or Older, by Demographic Characteristics: P Values from Tests of Differences of Percentages, 2005 Versus 2004
Demographic Characteristic | NUMBER OF PAST YEAR INITIATES (1,000s)1 | PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 | PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 | PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
--- | --- | --- | --- | ---
2004 | 2005 | 2004 | 2005 | 2004 | 2005 | 2004 | 2005
TOTAL | N/A |  | 0.3083 |  | 0.8115 |  | 0.1301 |
AGE |  |  |  |  |  |  |  |
12-25 | N/A |  | 0.5050 |  | 0.1975 |  | 0.6072 |
12-17 | N/A |  | 0.9247 |  | 0.5189 |  | 0.7125 |
12-13 | N/A |  | 0.4471 |  | 0.3897 |  | 0.5438 |
14-15 | N/A |  | 0.5564 |  | 0.3208 |  | 0.9369 |
16-17 | N/A |  | 0.4562 |  | 0.7506 |  | 0.2165 |
18-25 | N/A |  | 0.3799 |  | 0.2064 |  | 0.3993 |
18-20 | N/A |  | 0.5447 |  | 0.3225 |  | 0.6235 |
21-25 | N/A |  | 0.2839 |  | 0.2919 |  | 0.2685 |
26 or Older | N/A |  | 0.4122 |  | 0.4751 |  | 0.3914 |
GENDER |  |  |  |  |  |  |  |
Male | N/A |  | 0.8333 |  | 0.7455 |  | 0.7468 |
Female | N/A |  | 0.2477 |  | 0.5655 |  | 0.0781 |
GENDER/AGE |  |  |  |  |  |  |  |
Male 12-17 | N/A |  | 0.7380 |  | 0.5213 |  | 0.9471 |
Female 12-17 | N/A |  | 0.8590 |  | 0.7456 |  | 0.6489 |
*Low precision; no estimate reported. N/A: Not applicable. 1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview. 2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table 4.5D Past Year Initiation of Substance Use among Persons Aged 12 or Older, Persons Aged 12 or Older At Risk for Initiation of Substance Use, and Past Year Substance Users Aged 12 or Older: Standard Errors of Numbers in Thousands and Standard Errors of Percentages, 2004 and 2005
Substance | NUMBER OF PAST YEAR INITIATES (1,000s)1 | PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 | PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 | PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
--- | --- | --- | --- | ---
2004 | 2005 | 2004 | 2005 | 2004 | 2005 | 2004 | 2005
ILLICIT DRUGS3 | 100 | 139 | 0.04 | 0.06 | 0.08 | 0.10 | 0.28 | 0.39
Marijuana and Hashish | 81 | 121 | 0.03 | 0.05 | 0.06 | 0.08 | 0.34 | 0.46
Cocaine | 65 | 50 | 0.03 | 0.02 | 0.03 | 0.02 | 1.12 | 0.92
Crack | 29 | 30 | 0.01 | 0.01 | 0.01 | 0.01 | 2.30 | 2.22
Heroin | 28 | 20 | 0.01 | 0.01 | 0.01 | 0.01 | 5.51 | 4.73
Hallucinogens | 55 | 51 | 0.02 | 0.02 | 0.03 | 0.02 | 1.42 | 1.32
LSD | 25 | 29 | 0.01 | 0.01 | 0.01 | 0.01 | 3.70 | 4.03
PCP | 20 | 13 | 0.01 | 0.01 | 0.01 | 0.01 | * | *
Ecstasy | 47 | 46 | 0.02 | 0.02 | 0.02 | 0.02 | 2.29 | 2.26
Inhalants | 43 | 47 | 0.02 | 0.02 | 0.02 | 0.02 | 1.75 | 1.94
Nonmedical Use of Psychotherapeutics4 | 120 | 111 | 0.05 | 0.05 | 0.06 | 0.06 | 0.75 | 0.70
Pain Relievers | 100 | 102 | 0.04 | 0.04 | 0.05 | 0.05 | 0.82 | 0.85
OxyContin® | 54 | 63 | 0.02 | 0.03 | 0.02 | 0.03 | 3.10 | 3.49
Tranquilizers | 74 | 88 | 0.03 | 0.04 | 0.03 | 0.04 | 1.40 | 1.55
Stimulants | 70 | 48 | 0.03 | 0.02 | 0.03 | 0.02 | 2.10 | 1.62
Methamphetamine | 35 | 21 | 0.01 | 0.01 | 0.02 | 0.01 | 2.51 | 1.70
Sedatives | 43 | 40 | 0.02 | 0.02 | 0.02 | 0.02 | 4.70 | 4.53
ILLICIT DRUGS OTHER THAN MARIJUANA3 | 100 | 112 | 0.04 | 0.05 | 0.06 | 0.06 | 0.47 | 0.55
CIGARETTES | 72 | 86 | 0.03 | 0.04 | 0.09 | 0.10 | 0.11 | 0.12
Daily Cigarette Use5 | 55 | 58 | 0.02 | 0.02 | 0.04 | 0.04 | -- | --
SMOKELESS TOBACCO | 53 | 58 | 0.02 | 0.02 | 0.03 | 0.03 | 0.56 | 0.56
CIGARS | 112 | 113 | 0.05 | 0.05 | 0.07 | 0.07 | 0.43 | 0.43
ALCOHOL | 127 | 108 | 0.05 | 0.04 | 0.27 | 0.25 | 0.08 | 0.07
*Low precision; no estimate reported. -- Not available. 1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview. 2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year. 3 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. 4 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs. 5 Daily Cigarette Use is defined as ever smoking every day for at least 30 days. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table 4.5P Past Year Initiation of Substance Use among Persons Aged 12 or Older, Persons Aged 12 or Older At Risk for Initiation of Substance Use, and Past Year Substance Users Aged 12 or Older: P Values from Tests of Differences of Percentages, 2005 Versus 2004
Substance | NUMBER OF PAST YEAR INITIATES (1,000s)1 | PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 | PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 | PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
--- | --- | --- | --- | ---
2004 | 2005 | 2004 | 2005 | 2004 | 2005 | 2004 | 2005
ILLICIT DRUGS3 | N/A |  | 0.5864 |  | 0.5351 |  | 0.5276 |
Marijuana and Hashish | N/A |  | 0.7259 |  | 0.7083 |  | 0.8853 |
Cocaine | N/A |  | 0.0965 |  | 0.0914 |  | 0.2023 |
Crack | N/A |  | 0.7607 |  | 0.7611 |  | 0.9571 |
Heroin | N/A |  | 0.7541 |  | 0.7578 |  | 0.8845 |
Hallucinogens | N/A |  | 0.9074 |  | 0.9549 |  | 0.6279 |
LSD | N/A |  | 0.8851 |  | 0.9128 |  | 0.5265 |
PCP | N/A |  | 0.2030 |  | 0.2020 |  | * |
Ecstasy | N/A |  | 0.9868 |  | 0.9792 |  | 0.9200 |
Inhalants | N/A |  | 0.8755 |  | 0.8913 |  | 0.4266 |
Nonmedical Use of Psychotherapeutics4 | N/A |  | 0.0383 |  | 0.0435 |  | 0.0080 |
Pain Relievers | N/A |  | 0.0754 |  | 0.0875 |  | 0.0124 |
OxyContin® | N/A |  | 0.2544 |  | 0.2601 |  | 0.0979 |
Tranquilizers | N/A |  | 0.4239 |  | 0.4009 |  | 0.5595 |
Stimulants | N/A |  | 0.0708 |  | 0.0657 |  | 0.1495 |
Methamphetamine | N/A |  | 0.0018 |  | 0.0016 |  | 0.0166 |
Sedatives | N/A |  | 0.9388 |  | 0.9533 |  | 0.9509 |
ILLICIT DRUGS OTHER THAN MARIJUANA3 | N/A |  | 0.6228 |  | 0.6052 |  | 0.7664 |
CIGARETTES | N/A |  | 0.2270 |  | 0.4612 |  | 0.2511 |
Daily Cigarette Use5 | N/A |  | 0.0669 |  | 0.0574 |  | -- |
SMOKELESS TOBACCO | N/A |  | 0.1164 |  | 0.1250 |  | 0.4365 |
CIGARS | N/A |  | 0.1096 |  | 0.1214 |  | 0.2720 |
ALCOHOL | N/A |  | 0.3083 |  | 0.8115 |  | 0.1301 |
*Low precision; no estimate reported. N/A: Not applicable. -- Not available. 1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview. 2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year. 3 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. 4 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs. 5 Daily Cigarette Use is defined as ever smoking every day for at least 30 days. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table 4.6D Past Year Initiation of Substance Use among Persons Aged 12 to 17, Persons Aged 12 to 17 At Risk for Initiation of Substance Use, and Past Year Substance Users Aged 12 to 17: Standard Errors of Numbers in Thousands and Standard Errors of Percentages, 2004 and 2005
Substance | NUMBER OF PAST YEAR INITIATES (1,000s)1 | PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 | PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 | PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
--- | --- | --- | --- | ---
2004 | 2005 | 2004 | 2005 | 2004 | 2005 | 2004 | 2005
ILLICIT DRUGS3 | 51 | 50 | 0.20 | 0.20 | 0.26 | 0.25 | 0.86 | 0.86
Marijuana and Hashish | 45 | 44 | 0.18 | 0.17 | 0.21 | 0.20 | 1.02 | 1.07
Cocaine | 23 | 23 | 0.09 | 0.09 | 0.09 | 0.09 | 3.32 | 3.04
Crack | 9 | 7 | 0.03 | 0.03 | 0.03 | 0.03 | * | *
Heroin | 8 | 5 | 0.03 | 0.02 | 0.03 | 0.02 | * | *
Hallucinogens | 27 | 26 | 0.11 | 0.10 | 0.11 | 0.11 | 2.30 | 2.65
LSD | 13 | 14 | 0.05 | 0.05 | 0.05 | 0.05 | 5.16 | 5.38
PCP | 9 | 11 | 0.04 | 0.04 | 0.04 | 0.04 | * | *
Ecstasy | 20 | 18 | 0.08 | 0.07 | 0.08 | 0.07 | 3.46 | 3.92
Inhalants | 32 | 36 | 0.13 | 0.14 | 0.14 | 0.15 | 2.09 | 2.07
Nonmedical Use of Psychotherapeutics4 | 42 | 37 | 0.17 | 0.15 | 0.18 | 0.16 | 1.49 | 1.39
Pain Relievers | 42 | 36 | 0.17 | 0.14 | 0.18 | 0.15 | 1.68 | 1.56
OxyContin® | 15 | 14 | 0.06 | 0.06 | 0.06 | 0.06 | 4.27 | 4.34
Tranquilizers | 22 | 21 | 0.09 | 0.08 | 0.09 | 0.08 | 2.66 | 3.04
Stimulants | 21 | 21 | 0.09 | 0.08 | 0.09 | 0.08 | 3.06 | 3.13
Methamphetamine | 13 | 12 | 0.05 | 0.05 | 0.05 | 0.05 | 5.41 | 5.44
Sedatives | 10 | 10 | 0.04 | 0.04 | 0.04 | 0.04 | 5.63 | *
ILLICIT DRUGS OTHER THAN MARIJUANA3 | 47 | 44 | 0.19 | 0.18 | 0.22 | 0.21 | 1.22 | 1.15
CIGARETTES | 50 | 50 | 0.20 | 0.20 | 0.26 | 0.25 | 0.96 | 0.97
Daily Cigarette Use5 | 32 | 24 | 0.13 | 0.10 | 0.13 | 0.10 | -- | --
SMOKELESS TOBACCO | 29 | 34 | 0.11 | 0.13 | 0.12 | 0.14 | 2.10 | 2.10
CIGARS | 48 | 47 | 0.19 | 0.19 | 0.21 | 0.20 | 1.41 | 1.31
ALCOHOL | 73 | 69 | 0.29 | 0.27 | 0.40 | 0.38 | 0.74 | 0.72
*Low precision; no estimate reported. -- Not available. 1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview. 2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year. 3 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. 4 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs. 5 Daily Cigarette Use is defined as ever smoking every day for at least 30 days. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table 4.6P Past Year Initiation of Substance Use among Persons Aged 12 to 17, Persons Aged 12 to 17 At Risk for Initiation of Substance Use, and Past Year Substance Users Aged 12 to 17: P Values from Tests of Differences of Percentages, 2005 Versus 2004
Substance | NUMBER OF PAST YEAR INITIATES (1,000s)1 | PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 | PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 | PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
--- | --- | --- | --- | ---
2004 | 2005 | 2004 | 2005 | 2004 | 2005 | 2004 | 2005
ILLICIT DRUGS3 | N/A |  | 0.9359 |  | 0.5749 |  | 0.1588 |
Marijuana and Hashish | N/A |  | 0.0567 |  | 0.0307 |  | 0.6966 |
Cocaine | N/A |  | 0.7486 |  | 0.7597 |  | 0.8453 |
Crack | N/A |  | 0.4007 |  | 0.4000 |  | * |
Heroin | N/A |  | 0.2020 |  | 0.2019 |  | * |
Hallucinogens | N/A |  | 0.2777 |  | 0.2536 |  | 0.6020 |
LSD | N/A |  | 0.7895 |  | 0.7948 |  | 0.3602 |
PCP | N/A |  | 0.4021 |  | 0.4025 |  | * |
Ecstasy | N/A |  | 0.1062 |  | 0.1010 |  | 0.7993 |
Inhalants | N/A |  | 0.9719 |  | 0.9211 |  | 0.6717 |
Nonmedical Use of Psychotherapeutics4 | N/A |  | 0.0155 |  | 0.0088 |  | 0.0707 |
Pain Relievers | N/A |  | 0.0184 |  | 0.0117 |  | 0.1000 |
OxyContin® | N/A |  | 0.4592 |  | 0.4568 |  | 0.4030 |
Tranquilizers | N/A |  | 0.2126 |  | 0.2098 |  | 0.4293 |
Stimulants | N/A |  | 0.7684 |  | 0.7662 |  | 0.6069 |
Methamphetamine | N/A |  | 0.3801 |  | 0.3814 |  | 0.1395 |
Sedatives | N/A |  | 0.6079 |  | 0.6062 |  | * |
ILLICIT DRUGS OTHER THAN MARIJUANA3 | N/A |  | 0.9371 |  | 0.6515 |  | 0.3270 |
CIGARETTES | N/A |  | 0.9724 |  | 0.5799 |  | 0.1740 |
Daily Cigarette Use5 | N/A |  | 0.0339 |  | 0.0294 |  | -- |
SMOKELESS TOBACCO | N/A |  | 0.0314 |  | 0.0350 |  | 0.0063 |
CIGARS | N/A |  | 0.7935 |  | 0.9278 |  | 0.1730 |
ALCOHOL | N/A |  | 0.9247 |  | 0.5189 |  | 0.7125 |
*Low precision; no estimate reported. N/A: Not applicable. -- Not available. 1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview. 2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year. 3 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. 4 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs. 5 Daily Cigarette Use is defined as ever smoking every day for at least 30 days. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table 4.7D Past Year Initiation of Substance Use among Persons Aged 18 to 25, Persons Aged 18 to 25 At Risk for Initiation of Substance Use, and Past Year Substance Users Aged 18 to 25: Standard Errors of Numbers in Thousands and Standard Errors of Percentages, 2004 and 2005
Substance | NUMBER OF PAST YEAR INITIATES (1,000s)1 | PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 | PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 | PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
--- | --- | --- | --- | ---
2004 | 2005 | 2004 | 2005 | 2004 | 2005 | 2004 | 2005
ILLICIT DRUGS3 | 41 | 47 | 0.13 | 0.14 | 0.29 | 0.33 | 0.38 | 0.41
Marijuana and Hashish | 45 | 45 | 0.14 | 0.14 | 0.28 | 0.28 | 0.49 | 0.48
Cocaine | 41 | 35 | 0.13 | 0.11 | 0.15 | 0.13 | 1.57 | 1.40
Crack | 17 | 21 | 0.05 | 0.06 | 0.06 | 0.07 | 4.59 | 4.42
Heroin | 10 | 13 | 0.03 | 0.04 | 0.03 | 0.04 | * | *
Hallucinogens | 32 | 32 | 0.10 | 0.10 | 0.13 | 0.12 | 1.51 | 1.40
LSD | 16 | 16 | 0.05 | 0.05 | 0.06 | 0.06 | 4.10 | 4.04
PCP | 14 | 6 | 0.04 | 0.02 | 0.04 | 0.02 | * | *
Ecstasy | 25 | 28 | 0.08 | 0.08 | 0.09 | 0.10 | 2.15 | 2.23
Inhalants | 23 | 24 | 0.07 | 0.08 | 0.08 | 0.09 | 2.78 | 2.89
Nonmedical Use of Psychotherapeutics4 | 46 | 43 | 0.14 | 0.13 | 0.20 | 0.18 | 0.87 | 0.81
Pain Relievers | 43 | 43 | 0.13 | 0.13 | 0.17 | 0.17 | 1.00 | 0.96
OxyContin® | 26 | 23 | 0.08 | 0.07 | 0.09 | 0.08 | 3.33 | 3.12
Tranquilizers | 31 | 35 | 0.10 | 0.11 | 0.11 | 0.12 | 1.58 | 1.64
Stimulants | 30 | 29 | 0.09 | 0.09 | 0.10 | 0.10 | 2.00 | 2.20
Methamphetamine | 19 | 14 | 0.06 | 0.04 | 0.06 | 0.05 | 3.14 | 2.73
Sedatives | 11 | 14 | 0.03 | 0.04 | 0.04 | 0.04 | 5.44 | 5.47
ILLICIT DRUGS OTHER THAN MARIJUANA3 | 45 | 44 | 0.14 | 0.14 | 0.22 | 0.21 | 0.67 | 0.67
CIGARETTES | 46 | 46 | 0.14 | 0.14 | 0.40 | 0.38 | 0.30 | 0.30
Daily Cigarette Use5 | 36 | 33 | 0.11 | 0.10 | 0.17 | 0.15 | -- | --
SMOKELESS TOBACCO | 28 | 34 | 0.09 | 0.11 | 0.11 | 0.13 | 1.00 | 1.12
CIGARS | 54 | 58 | 0.17 | 0.18 | 0.28 | 0.29 | 0.66 | 0.70
ALCOHOL | 62 | 61 | 0.19 | 0.19 | 0.91 | 0.92 | 0.25 | 0.24
*Low precision; no estimate reported. -- Not available. 1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview. 2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year. 3 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. 4 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs. 5 Daily Cigarette Use is defined as ever smoking every day for at least 30 days. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table 4.7P Past Year Initiation of Substance Use among Persons Aged 18 to 25, Persons Aged 18 to 25 At Risk for Initiation of Substance Use, and Past Year Substance Users Aged 18 to 25: P Values from Tests of Differences of Percentages, 2005 Versus 2004
Substance | NUMBER OF PAST YEAR INITIATES (1,000s)1 | PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 | PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 | PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
--- | --- | --- | --- | ---
2004 | 2005 | 2004 | 2005 | 2004 | 2005 | 2004 | 2005
ILLICIT DRUGS3 | N/A |  | 0.9617 |  | 0.9581 |  | 0.9377 |
Marijuana and Hashish | N/A |  | 0.9620 |  | 0.9777 |  | 0.9704 |
Cocaine | N/A |  | 0.0691 |  | 0.0735 |  | 0.0085 |
Crack | N/A |  | 0.4383 |  | 0.4402 |  | 0.7152 |
Heroin | N/A |  | 0.5487 |  | 0.5519 |  | * |
Hallucinogens | N/A |  | 0.1889 |  | 0.2095 |  | 0.3379 |
LSD | N/A |  | 0.9599 |  | 0.9695 |  | 0.9820 |
PCP | N/A |  | 0.0696 |  | 0.0696 |  | * |
Ecstasy | N/A |  | 0.6825 |  | 0.6894 |  | 0.5544 |
Inhalants | N/A |  | 0.6967 |  | 0.7400 |  | 0.6721 |
Nonmedical Use of Psychotherapeutics4 | N/A |  | 0.0933 |  | 0.1663 |  | 0.0322 |
Pain Relievers | N/A |  | 0.5752 |  | 0.7401 |  | 0.2178 |
OxyContin® | N/A |  | 0.0273 |  | 0.0324 |  | 0.0036 |
Tranquilizers | N/A |  | 0.5227 |  | 0.4481 |  | 0.9711 |
Stimulants | N/A |  | 0.0893 |  | 0.1004 |  | 0.0747 |
Methamphetamine | N/A |  | 0.0268 |  | 0.0271 |  | 0.0348 |
Sedatives | N/A |  | 0.4437 |  | 0.4435 |  | 0.7460 |
ILLICIT DRUGS OTHER THAN MARIJUANA3 | N/A |  | 0.8620 |  | 0.8381 |  | 0.7583 |
CIGARETTES | N/A |  | 0.2422 |  | 0.5379 |  | 0.2174 |
Daily Cigarette Use5 | N/A |  | 0.1164 |  | 0.0995 |  | -- |
SMOKELESS TOBACCO | N/A |  | 0.1174 |  | 0.1421 |  | 0.3357 |
CIGARS | N/A |  | 0.1228 |  | 0.2252 |  | 0.1326 |
ALCOHOL | N/A |  | 0.3799 |  | 0.2064 |  | 0.3993 |
*Low precision; no estimate reported. N/A: Not applicable. -- Not available. 1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview. 2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year. 3 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. 4 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs. 5 Daily Cigarette Use is defined as ever smoking every day for at least 30 days. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table 4.8D Past Year Initiation of Substance Use among Persons Aged 26 or Older, Persons Aged 26 or Older At Risk for Initiation of Substance Use, and Past Year Substance Users Aged 26 or Older: Standard Errors of Numbers in Thousands and Standard Errors of Percentages, 2004 and 2005
Substance | NUMBER OF PAST YEAR INITIATES (1,000s)1 | PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 | PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 | PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
--- | --- | --- | --- | ---
2004 | 2005 | 2004 | 2005 | 2004 | 2005 | 2004 | 2005
ILLICIT DRUGS3 | 77 | 115 | 0.04 | 0.06 | 0.08 | 0.11 | 0.40 | 0.60
Marijuana and Hashish | 47 | 97 | 0.03 | 0.05 | 0.04 | 0.09 | 0.37 | 0.75
Cocaine | 39 | 23 | 0.02 | 0.01 | 0.03 | 0.01 | 1.25 | 0.80
Crack | 21 | 19 | 0.01 | 0.01 | 0.01 | 0.01 | 2.09 | 1.91
Heroin | 25 | 15 | 0.01 | 0.01 | 0.01 | 0.01 | * | *
Hallucinogens | 31 | 30 | 0.02 | 0.02 | 0.02 | 0.02 | 2.58 | 2.63
LSD | 15 | 19 | 0.01 | 0.01 | 0.01 | 0.01 | * | *
PCP | 10 | * | 0.01 | * | 0.01 | * | * | *
Ecstasy | 29 | 33 | 0.02 | 0.02 | 0.02 | 0.02 | * | 4.34
Inhalants | 13 | 15 | 0.01 | 0.01 | 0.01 | 0.01 | * | *
Nonmedical Use of Psychotherapeutics4 | 100 | 96 | 0.05 | 0.05 | 0.07 | 0.06 | 1.21 | 1.11
Pain Relievers | 79 | 84 | 0.04 | 0.05 | 0.05 | 0.05 | 1.33 | 1.34
OxyContin® | 45 | 56 | 0.02 | 0.03 | 0.02 | 0.03 | * | *
Tranquilizers | 62 | 78 | 0.03 | 0.04 | 0.04 | 0.05 | 2.08 | 2.39
Stimulants | 58 | 30 | 0.03 | 0.02 | 0.03 | 0.02 | 4.24 | 2.55
Methamphetamine | 26 | 11 | 0.01 | 0.01 | 0.02 | 0.01 | 3.37 | 1.71
Sedatives | 39 | 37 | 0.02 | 0.02 | 0.02 | 0.02 | * | *
ILLICIT DRUGS OTHER THAN MARIJUANA3 | 75 | 89 | 0.04 | 0.05 | 0.06 | 0.07 | 0.70 | 0.82
CIGARETTES | 20 | 40 | 0.01 | 0.02 | 0.04 | 0.08 | 0.04 | 0.08
Daily Cigarette Use5 | 29 | 42 | 0.02 | 0.02 | 0.03 | 0.04 | -- | --
SMOKELESS TOBACCO | 35 | 26 | 0.02 | 0.01 | 0.02 | 0.02 | 0.57 | 0.39
CIGARS | 79 | 86 | 0.04 | 0.05 | 0.07 | 0.07 | 0.50 | 0.51
ALCOHOL | 74 | 31 | 0.04 | 0.02 | 0.31 | 0.14 | 0.06 | 0.02
*Low precision; no estimate reported. -- Not available. 1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview. 2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year. 3 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. 4 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs. 5 Daily Cigarette Use is defined as ever smoking every day for at least 30 days. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table 4.8P Past Year Initiation of Substance Use among Persons Aged 26 or Older, Persons Aged 26 or Older At Risk for Initiation of Substance Use, and Past Year Substance Users Aged 26 or Older: P Values from Tests of Differences of Percentages, 2005 Versus 2004
Substance | NUMBER OF PAST YEAR INITIATES (1,000s)1 | PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 | PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 | PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
--- | --- | --- | --- | ---
2004 | 2005 | 2004 | 2005 | 2004 | 2005 | 2004 | 2005
ILLICIT DRUGS3 | N/A |  | 0.4971 |  | 0.4683 |  | 0.4972 |
Marijuana and Hashish | N/A |  | 0.4966 |  | 0.4953 |  | 0.4820 |
Cocaine | N/A |  | 0.3130 |  | 0.3087 |  | 0.4250 |
Crack | N/A |  | 0.9611 |  | 0.9610 |  | 0.9752 |
Heroin | N/A |  | 0.7865 |  | 0.7886 |  | * |
Hallucinogens | N/A |  | 0.8853 |  | 0.8785 |  | 0.9771 |
LSD | N/A |  | 1.0000 |  | 1.0000 |  | * |
PCP | N/A |  | * |  | * |  | * |
Ecstasy | N/A |  | 0.4815 |  | 0.4790 |  | * |
Inhalants | N/A |  | 0.9099 |  | 0.9096 |  | * |
Nonmedical Use of Psychotherapeutics4 | N/A |  | 0.5045 |  | 0.5121 |  | 0.2874 |
Pain Relievers | N/A |  | 0.4664 |  | 0.4802 |  | 0.2340 |
OxyContin® | N/A |  | 1.0000 |  | 0.9961 |  | * |
Tranquilizers | N/A |  | 0.3007 |  | 0.2937 |  | 0.3009 |
Stimulants | N/A |  | 0.2728 |  | 0.2671 |  | 0.3491 |
Methamphetamine | N/A |  | 0.0372 |  | 0.0364 |  | 0.0537 |
Sedatives | N/A |  | 0.9787 |  | 0.9684 |  | * |
ILLICIT DRUGS OTHER THAN MARIJUANA3 | N/A |  | 0.5154 |  | 0.4975 |  | 0.5697 |
CIGARETTES | N/A |  | 0.1309 |  | 0.1387 |  | 0.1354 |
Daily Cigarette Use5 | N/A |  | 0.7270 |  | 0.7370 |  | -- |
SMOKELESS TOBACCO | N/A |  | 0.3689 |  | 0.3676 |  | 0.3035 |
CIGARS | N/A |  | 0.2889 |  | 0.2847 |  | 0.4095 |
ALCOHOL | N/A |  | 0.4122 |  | 0.4751 |  | 0.3914 |
*Low precision; no estimate reported. N/A: Not applicable. -- Not available. 1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview. 2 At Risk for Initiation is defined as persons who did not use the substance(s) in their lifetime or used the substance(s) for the first time in the past year. 3 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. 4 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs. 5 Daily Cigarette Use is defined as ever smoking every day for at least 30 days. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table 4.9C Past Year Initiation of Substance Use among Persons Aged 12 or Older, by Gender: Standard Errors of Numbers in Thousands, 2004 and 2005
Substance | NUMBER OF PAST YEAR INITIATES (1,000s)1
--- | ---
Total | Male | Female
2004 | 2005 | 2004 | 2005 | 2004 | 2005
ILLICIT DRUGS2 | 100 | 139 | 59 | 68 | 82 | 118
Marijuana and Hashish | 81 | 121 | 44 | 57 | 64 | 104
Cocaine | 65 | 50 | 54 | 38 | 34 | 29
Crack | 29 | 30 | 18 | 18 | 22 | 23
Heroin | 28 | 20 | 19 | 16 | 21 | 13
Hallucinogens | 55 | 51 | 41 | 41 | 34 | 29
LSD | 25 | 29 | 19 | 26 | 15 | 11
PCP | 20 | 13 | 14 | 10 | 13 | 8
Ecstasy | 47 | 46 | 38 | 36 | 25 | 28
Inhalants | 43 | 47 | 30 | 32 | 31 | 33
Nonmedical Use of Psychotherapeutics3 | 120 | 111 | 82 | 65 | 95 | 90
Pain Relievers | 100 | 102 | 68 | 63 | 83 | 79
OxyContin® | 54 | 63 | 43 | 54 | 33 | 32
Tranquilizers | 74 | 88 | 48 | 58 | 53 | 66
Stimulants | 70 | 48 | 56 | 27 | 41 | 37
Methamphetamine | 35 | 21 | 21 | 17 | 29 | 14
Sedatives | 43 | 40 | 17 | 22 | 40 | 34
ILLICIT DRUGS OTHER THAN MARIJUANA2 | 100 | 112 | 69 | 66 | 82 | 90
CIGARETTES | 72 | 86 | 47 | 58 | 51 | 59
Daily Cigarette Use4 | 55 | 58 | 39 | 43 | 39 | 41
SMOKELESS TOBACCO | 53 | 58 | 46 | 50 | 31 | 29
CIGARS | 112 | 113 | 83 | 79 | 75 | 85
ALCOHOL | 127 | 108 | 73 | 71 | 103 | 77
*Low precision; no estimate reported. 1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview. 2 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. 3 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs. 4 Daily Cigarette Use is defined as ever smoking every day for at least 30 days. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table 4.10C Past Year Initiation of Substance Use among Persons Aged 12 or Older Who Initiated Use Prior to the Age of 18, by Gender: Standard Errors of Numbers in Thousands, 2004 and 2005
Substance | NUMBER OF PAST YEAR INITIATES (1,000s)1
--- | ---
Total | Male | Female
2004 | 2005 | 2004 | 2005 | 2004 | 2005
ILLICIT DRUGS2 | 55 | 57 | 37 | 40 | 39 | 40
Marijuana and Hashish | 49 | 50 | 33 | 33 | 34 | 35
Cocaine | 26 | 25 | 19 | 17 | 19 | 18
Crack | 13 | 10 | 9 | 7 | 9 | 7
Heroin | 9 | 6 | 7 | 3 | 6 | 5
Hallucinogens | 30 | 30 | 21 | 22 | 21 | 19
LSD | 15 | 15 | 11 | 13 | 9 | 8
PCP | 9 | 11 | 6 | 9 | 6 | 7
Ecstasy | 23 | 19 | 16 | 13 | 16 | 14
Inhalants | 35 | 38 | 25 | 24 | 25 | 27
Nonmedical Use of Psychotherapeutics3 | 45 | 40 | 29 | 27 | 34 | 29
Pain Relievers | 46 | 38 | 28 | 26 | 34 | 29
OxyContin® | 16 | 17 | 11 | 12 | 12 | 12
Tranquilizers | 24 | 23 | 14 | 17 | 19 | 16
Stimulants | 23 | 23 | 15 | 14 | 18 | 18
Methamphetamine | 14 | 13 | 8 | 10 | 12 | 9
Sedatives | 11 | 10 | 7 | 7 | 9 | 7
ILLICIT DRUGS OTHER THAN MARIJUANA2 | 51 | 48 | 34 | 34 | 37 | 34
CIGARETTES | 56 | 55 | 37 | 37 | 38 | 39
Daily Cigarette Use4 | 36 | 28 | 24 | 22 | 25 | 18
SMOKELESS TOBACCO | 31 | 37 | 27 | 32 | 15 | 17
CIGARS | 53 | 54 | 37 | 41 | 36 | 33
ALCOHOL | 86 | 82 | 54 | 54 | 59 | 58
*Low precision; no estimate reported. 1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview. 2 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. 3 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs. 4 Daily Cigarette Use is defined as ever smoking every day for at least 30 days. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table 4.11C Past Year Initiation of Substance Use among Persons Aged 12 or Older Who Initiated Use Prior to the Age of 21, by Gender: Standard Errors of Numbers in Thousands, 2004 and 2005
Substance | NUMBER OF PAST YEAR INITIATES (1,000s)1
--- | ---
Total | Male | Female
2004 | 2005 | 2004 | 2005 | 2004 | 2005
ILLICIT DRUGS2 | 63 | 68 | 41 | 46 | 47 | 48
Marijuana and Hashish | 62 | 63 | 41 | 42 | 45 | 43
Cocaine | 42 | 36 | 32 | 25 | 25 | 23
Crack | 17 | 16 | 13 | 13 | 10 | 9
Heroin | 10 | 11 | 8 | 8 | 6 | 7
Hallucinogens | 42 | 40 | 31 | 32 | 25 | 23
LSD | 20 | 20 | 15 | 17 | 11 | 10
PCP | 15 | 12 | 12 | 10 | 7 | 7
Ecstasy | 30 | 30 | 21 | 23 | 20 | 19
Inhalants | 40 | 42 | 28 | 29 | 28 | 28
Nonmedical Use of Psychotherapeutics3 | 59 | 53 | 37 | 35 | 44 | 38
Pain Relievers | 57 | 50 | 36 | 34 | 42 | 37
OxyContin® | 25 | 23 | 18 | 16 | 18 | 16
Tranquilizers | 31 | 34 | 20 | 25 | 24 | 22
Stimulants | 34 | 32 | 20 | 20 | 28 | 23
Methamphetamine | 19 | 16 | 12 | 12 | 16 | 11
Sedatives | 13 | 15 | 8 | 11 | 9 | 9
ILLICIT DRUGS OTHER THAN MARIJUANA2 | 61 | 61 | 41 | 43 | 43 | 42
CIGARETTES | 65 | 70 | 43 | 48 | 47 | 47
Daily Cigarette Use4 | 45 | 40 | 31 | 30 | 30 | 26
SMOKELESS TOBACCO | 37 | 47 | 33 | 41 | 19 | 21
CIGARS | 73 | 74 | 53 | 54 | 46 | 48
ALCOHOL | 103 | 94 | 63 | 64 | 73 | 66
*Low precision; no estimate reported. 1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview. 2 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. 3 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs. 4 Daily Cigarette Use is defined as ever smoking every day for at least 30 days. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table 4.12C Past Year Initiation of Substance Use among Persons Aged 12 to 49, by Gender: Standard Errors of Numbers in Thousands, 2004 and 2005
Substance | NUMBER OF PAST YEAR INITIATES (1,000s)1
--- | ---
Total | Male | Female
2004 | 2005 | 2004 | 2005 | 2004 | 2005
ILLICIT DRUGS2 | 88 | 96 | 58 | 60 | 66 | 73
Marijuana and Hashish | 73 | 73 | 44 | 48 | 53 | 54
Cocaine | 65 | 48 | 53 | 35 | 34 | 29
Crack | 29 | 30 | 18 | 18 | 22 | 23
Heroin | 28 | 20 | 19 | 16 | 21 | 13
Hallucinogens | 55 | 51 | 40 | 41 | 34 | 29
LSD | 25 | 29 | 19 | 26 | 15 | 11
PCP | 20 | 13 | 14 | 10 | 13 | 8
Ecstasy | 46 | 46 | 38 | 36 | 24 | 28
Inhalants | 42 | 47 | 29 | 32 | 31 | 32
Nonmedical Use of Psychotherapeutics3 | 92 | 97 | 64 | 63 | 77 | 73
Pain Relievers | 85 | 86 | 61 | 58 | 70 | 63
OxyContin® | 46 | 44 | 33 | 30 | 33 | 32
Tranquilizers | 72 | 86 | 48 | 56 | 51 | 63
Stimulants | 48 | 47 | 28 | 27 | 37 | 37
Methamphetamine | 31 | 21 | 21 | 17 | 24 | 14
Sedatives | 31 | 25 | 17 | 18 | 26 | 18
ILLICIT DRUGS OTHER THAN MARIJUANA2 | 89 | 99 | 69 | 65 | 69 | 74
CIGARETTES | 73 | 84 | 47 | 57 | 51 | 58
Daily Cigarette Use4 | 56 | 58 | 40 | 43 | 39 | 40
SMOKELESS TOBACCO | 48 | 57 | 42 | 50 | 30 | 29
CIGARS | 106 | 108 | 78 | 79 | 71 | 76
ALCOHOL | 109 | 103 | 70 | 68 | 78 | 73
*Low precision; no estimate reported. 1 Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview. 2 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. 3 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs. 4 Daily Cigarette Use is defined as ever smoking every day for at least 30 days. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table 4.13D Standard Errors of Mean Age at First Use among Past Year Initiates of Substance Use Aged 12 or Older, by Gender: 2004 and 2005
Substance | MEAN AGE
--- | ---
Total | Male | Female
2004 | 2005 | 2004 | 2005 | 2004 | 2005
ILLICIT DRUGS1 | 0.66 | 1.69 | 0.75 | 1.16 | 1.13 | 2.78
Marijuana and Hashish | 0.63 | 2.28 | 0.26 | 1.41 | 1.06 | 3.98
Cocaine | 0.45 | 0.63 | 0.55 | 1.06 | 0.77 | 0.47
Crack | 1.35 | 1.28 | 1.24 | 2.04 | 2.19 | 1.56
Heroin | 2.53 | 1.55 | 3.27 | 1.58 | 3.66 | 2.48
Hallucinogens | 0.57 | 0.42 | 0.68 | 0.62 | 0.95 | 0.51
LSD | 0.71 | 0.78 | 0.80 | 1.01 | 1.31 | 0.51
PCP | 1.17 | 0.40 | 0.62 | 0.33 | 2.10 | 0.73
Ecstasy | 0.61 | 0.73 | 0.94 | 1.00 | 0.60 | 1.08
Inhalants | 0.29 | 0.34 | 0.23 | 0.40 | 0.54 | 0.55
Nonmedical Use of Psychotherapeutics2 | 1.08 | 0.81 | 2.21 | 0.93 | 1.08 | 1.17
Pain Relievers | 0.74 | 0.84 | 1.17 | 0.94 | 1.17 | 1.26
OxyContin® | 1.66 | 2.78 | 2.64 | 4.48 | 1.66 | 1.94
Tranquilizers | 0.85 | 0.88 | 1.48 | 1.37 | 1.08 | 1.17
Stimulants | 3.27 | 0.64 | 7.00 | 0.89 | 1.36 | 0.90
Methamphetamine | 1.59 | 0.73 | 0.88 | 0.89 | 2.69 | 1.18
Sedatives | 3.38 | 4.60 | 1.76 | 5.78 | 4.30 | 5.92
ILLICIT DRUGS OTHER THAN MARIJUANA1 | 0.62 | 0.74 | 0.80 | 0.67 | 1.13 | 1.14
CIGARETTES | 0.19 | 0.33 | 0.18 | 0.36 | 0.31 | 0.55
Daily Cigarette Use3 | 0.40 | 0.71 | 0.51 | 0.76 | 0.65 | 1.23
SMOKELESS TOBACCO | 0.83 | 0.46 | 1.02 | 0.54 | 1.38 | 0.89
CIGARS | 0.56 | 0.59 | 0.78 | 0.51 | 0.80 | 1.01
ALCOHOL | 0.85 | 0.25 | 0.44 | 0.31 | 1.49 | 0.37
*Low precision; no estimate reported. NOTE: Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview. 1 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. 2 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs. 3 Daily Cigarette Use is defined as ever smoking every day for at least 30 days. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table 4.13P P Values from Tests of Differences of Mean Age at First Use among Past Year Initiates of Substance Use Aged 12 or Older, by Gender: 2005 Versus 2004
Substance | MEAN AGE
--- | ---
Total | Male | Female
2004 | 2005 | 2004 | 2005 | 2004 | 2005
ILLICIT DRUGS1 | 0.2967 |  | 0.6128 |  | 0.3315 |
Marijuana and Hashish | 0.2649 |  | 0.0995 |  | 0.4636 |
Cocaine | 0.8717 |  | 0.4944 |  | 0.4320 |
Crack | 0.4247 |  | 0.5441 |  | 0.6051 |
Heroin | 0.4590 |  | 1.0000 |  | 0.2957 |
Hallucinogens | 0.9854 |  | 0.6021 |  | 0.5526 |
LSD | 0.9556 |  | 0.6008 |  | 0.2004 |
PCP | 0.0478 |  | 0.1064 |  | 0.0830 |
Ecstasy | 0.1841 |  | 0.5816 |  | 0.1282 |
Inhalants | 0.9138 |  | 0.1841 |  | 0.4950 |
Nonmedical Use of Psychotherapeutics2 | 0.9626 |  | 0.5119 |  | 0.4736 |
Pain Relievers | 0.7984 |  | 0.5058 |  | 0.4910 |
OxyContin® | 0.5787 |  | 0.6738 |  | 0.6451 |
Tranquilizers | 0.2225 |  | 0.1834 |  | 0.5755 |
Stimulants | 0.2385 |  | 0.3233 |  | 0.3157 |
Methamphetamine | 0.0483 |  | 0.1820 |  | 0.0894 |
Sedatives | 0.3152 |  | 0.2589 |  | 0.4669 |
ILLICIT DRUGS OTHER THAN MARIJUANA1 | 0.4326 |  | 0.5990 |  | 0.3227 |
CIGARETTES | 0.1445 |  | 0.1132 |  | 0.4305 |
Daily Cigarette Use3 | 0.2974 |  | 0.7773 |  | 0.2713 |
SMOKELESS TOBACCO | 0.2112 |  | 0.5275 |  | 0.1465 |
CIGARS | 0.2714 |  | 0.7572 |  | 0.0992 |
ALCOHOL | 0.3983 |  | 0.8867 |  | 0.3542 |
*Low precision; no estimate reported. NOTE: Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview. 1 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. 2 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs. 3 Daily Cigarette Use is defined as ever smoking every day for at least 30 days. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table 4.14D Standard Errors of Mean Age at First Use among Past Year Initiates of Substance Use Aged 12 or Older Who Initiated Use Prior to the Age of 18, by Gender: 2004 and 2005
Substance | MEAN AGE
--- | ---
Total | Male | Female
2004 | 2005 | 2004 | 2005 | 2004 | 2005
ILLICIT DRUGS1 | 0.05 | 0.06 | 0.08 | 0.08 | 0.07 | 0.08
Marijuana and Hashish | 0.05 | 0.05 | 0.08 | 0.07 | 0.07 | 0.08
Cocaine | 0.09 | 0.10 | 0.13 | 0.13 | 0.11 | 0.14
Crack | 0.21 | 0.14 | 0.23 | 0.19 | 0.30 | 0.20
Heroin | 0.24 | 0.43 | 0.30 | * | 0.39 | 0.44
Hallucinogens | 0.09 | 0.09 | 0.13 | 0.12 | 0.12 | 0.12
LSD | 0.24 | 0.18 | 0.33 | 0.21 | 0.29 | 0.29
PCP | 0.35 | 0.23 | 0.56 | 0.18 | 0.37 | 0.37
Ecstasy | 0.11 | 0.11 | 0.15 | 0.16 | 0.14 | 0.15
Inhalants | 0.10 | 0.10 | 0.15 | 0.16 | 0.12 | 0.12
Nonmedical Use of Psychotherapeutics2 | 0.06 | 0.06 | 0.08 | 0.10 | 0.09 | 0.08
Pain Relievers | 0.06 | 0.07 | 0.09 | 0.11 | 0.09 | 0.08
OxyContin® | 0.12 | 0.13 | 0.17 | 0.19 | 0.15 | 0.19
Tranquilizers | 0.09 | 0.09 | 0.15 | 0.14 | 0.13 | 0.12
Stimulants | 0.10 | 0.10 | 0.15 | 0.17 | 0.13 | 0.13
Methamphetamine | 0.16 | 0.19 | 0.23 | 0.38 | 0.21 | 0.18
Sedatives | 0.28 | 0.25 | 0.42 | 0.48 | 0.38 | 0.28
ILLICIT DRUGS OTHER THAN MARIJUANA1 | 0.07 | 0.07 | 0.10 | 0.11 | 0.08 | 0.08
CIGARETTES | 0.06 | 0.06 | 0.08 | 0.09 | 0.08 | 0.08
Daily Cigarette Use3 | 0.09 | 0.09 | 0.11 | 0.13 | 0.12 | 0.11
SMOKELESS TOBACCO | 0.08 | 0.09 | 0.10 | 0.10 | 0.19 | 0.17
CIGARS | 0.05 | 0.05 | 0.08 | 0.07 | 0.08 | 0.07
ALCOHOL | 0.04 | 0.04 | 0.06 | 0.06 | 0.05 | 0.05
*Low precision; no estimate reported. NOTE: Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview. 1 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. 2 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs. 3 Daily Cigarette Use is defined as ever smoking every day for at least 30 days. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table 4.14P P Values from Tests of Differences of Mean Age at First Use among Past Year Initiates of Substance Use Aged 12 or Older Who Initiated Use Prior to the Age of 18, by Gender: 2005 Versus 2004
Substance | MEAN AGE
--- | ---
Total | Male | Female
2004 | 2005 | 2004 | 2005 | 2004 | 2005
ILLICIT DRUGS1 | 0.1337 |  | 0.5023 |  | 0.1462 |
Marijuana and Hashish | 0.6114 |  | 0.6629 |  | 0.7761 |
Cocaine | 0.6330 |  | 0.0519 |  | 0.2866 |
Crack | 0.0863 |  | 0.4972 |  | 0.0672 |
Heroin | 0.1018 |  | * |  | 0.1960 |
Hallucinogens | 0.1751 |  | 0.1302 |  | 0.7314 |
LSD | 0.8911 |  | 0.7508 |  | 0.2529 |
PCP | 0.4347 |  | 0.0599 |  | 0.4945 |
Ecstasy | 0.8729 |  | 0.2660 |  | 0.2778 |
Inhalants | 0.0708 |  | 0.3510 |  | 0.1083 |
Nonmedical Use of Psychotherapeutics2 | 0.8512 |  | 0.7638 |  | 0.8501 |
Pain Relievers | 0.8912 |  | 0.9740 |  | 1.0000 |
OxyContin® | 0.9463 |  | 0.2126 |  | 0.2146 |
Tranquilizers | 0.6584 |  | 0.2873 |  | 0.5677 |
Stimulants | 0.0813 |  | 0.2200 |  | 0.1754 |
Methamphetamine | 0.7204 |  | 0.9275 |  | 0.7295 |
Sedatives | 0.1321 |  | 0.3296 |  | 0.2473 |
ILLICIT DRUGS OTHER THAN MARIJUANA1 | 0.4034 |  | 0.8203 |  | 0.1398 |
CIGARETTES | 0.6915 |  | 0.1396 |  | 0.4440 |
Daily Cigarette Use3 | 0.6846 |  | 0.6433 |  | 0.8111 |
SMOKELESS TOBACCO | 0.3579 |  | 0.3723 |  | 0.8071 |
CIGARS | 0.1921 |  | 0.0889 |  | 0.9956 |
ALCOHOL | 0.2865 |  | 0.0850 |  | 0.8329 |
*Low precision; no estimate reported. NOTE: Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview. 1 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. 2 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs. 3 Daily Cigarette Use is defined as ever smoking every day for at least 30 days. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table 4.15D Standard Errors of Mean Age at First Use among Past Year Initiates of Substance Use Aged 12 or Older Who Initiated Use Prior to the Age of 21, by Gender: 2004 and 2005
Substance | MEAN AGE
--- | ---
Total | Male | Female
2004 | 2005 | 2004 | 2005 | 2004 | 2005
ILLICIT DRUGS1 | 0.07 | 0.08 | 0.10 | 0.11 | 0.09 | 0.11
Marijuana and Hashish | 0.07 | 0.07 | 0.10 | 0.10 | 0.10 | 0.10
Cocaine | 0.10 | 0.11 | 0.14 | 0.14 | 0.15 | 0.17
Crack | 0.22 | 0.16 | 0.24 | 0.24 | 0.34 | 0.29
Heroin | 0.32 | 0.42 | 0.41 | 0.62 | 0.52 | 0.56
Hallucinogens | 0.11 | 0.10 | 0.15 | 0.12 | 0.17 | 0.16
LSD | 0.20 | 0.20 | 0.27 | 0.21 | 0.30 | 0.40
PCP | 0.49 | 0.28 | 0.68 | 0.33 | 0.38 | 0.42
Ecstasy | 0.13 | 0.14 | 0.17 | 0.19 | 0.18 | 0.19
Inhalants | 0.13 | 0.13 | 0.17 | 0.20 | 0.19 | 0.15
Nonmedical Use of Psychotherapeutics2 | 0.08 | 0.09 | 0.11 | 0.13 | 0.10 | 0.12
Pain Relievers | 0.08 | 0.09 | 0.11 | 0.13 | 0.11 | 0.12
OxyContin® | 0.17 | 0.18 | 0.20 | 0.25 | 0.28 | 0.24
Tranquilizers | 0.12 | 0.12 | 0.17 | 0.17 | 0.16 | 0.16
Stimulants | 0.14 | 0.14 | 0.22 | 0.22 | 0.18 | 0.17
Methamphetamine | 0.23 | 0.24 | 0.38 | 0.36 | 0.27 | 0.31
Sedatives | 0.38 | 0.31 | 0.61 | 0.55 | 0.43 | 0.37
ILLICIT DRUGS OTHER THAN MARIJUANA1 | 0.08 | 0.09 | 0.11 | 0.13 | 0.12 | 0.11
CIGARETTES | 0.08 | 0.07 | 0.10 | 0.11 | 0.10 | 0.09
Daily Cigarette Use3 | 0.11 | 0.10 | 0.12 | 0.13 | 0.16 | 0.15
SMOKELESS TOBACCO | 0.11 | 0.11 | 0.12 | 0.13 | 0.23 | 0.22
CIGARS | 0.06 | 0.06 | 0.08 | 0.08 | 0.10 | 0.09
ALCOHOL | 0.05 | 0.05 | 0.08 | 0.08 | 0.08 | 0.07
*Low precision; no estimate reported. NOTE: Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview. 1 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. 2 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs. 3 Daily Cigarette Use is defined as ever smoking every day for at least 30 days. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table 4.15P P Values from Tests of Differences of Mean Age at First Use among Past Year Initiates of Substance Use Aged 12 or Older Who Initiated Use Prior to the Age of 21, by Gender: 2005 Versus 2004
Substance | MEAN AGE
--- | ---
Total | Male | Female
2004 | 2005 | 2004 | 2005 | 2004 | 2005
ILLICIT DRUGS1 | 0.2775 |  | 0.8496 |  | 0.1042 |
Marijuana and Hashish | 0.6200 |  | 0.3066 |  | 0.8581 |
Cocaine | 0.3413 |  | 0.6343 |  | 0.5302 |
Crack | 0.0233 |  | 0.1587 |  | 0.1009 |
Heroin | 0.9211 |  | 0.6796 |  | 0.8727 |
Hallucinogens | 0.0553 |  | 0.0908 |  | 0.3889 |
LSD | 0.7789 |  | 0.6017 |  | 0.6122 |
PCP | 0.4846 |  | 0.6960 |  | 0.4990 |
Ecstasy | 0.0395 |  | 0.6548 |  | 0.0141 |
Inhalants | 0.5959 |  | 0.3095 |  | 0.0555 |
Nonmedical Use of Psychotherapeutics2 | 0.8576 |  | 0.7744 |  | 0.9449 |
Pain Relievers | 0.3319 |  | 0.8462 |  | 0.2422 |
OxyContin® | 0.4134 |  | 0.2785 |  | 0.9267 |
Tranquilizers | 0.1367 |  | 0.2804 |  | 0.3606 |
Stimulants | 0.4487 |  | 0.7724 |  | 0.1896 |
Methamphetamine | 0.8088 |  | 0.6936 |  | 0.9018 |
Sedatives | 0.1801 |  | 0.6714 |  | 0.1124 |
ILLICIT DRUGS OTHER THAN MARIJUANA1 | 0.7417 |  | 0.3472 |  | 0.6674 |
CIGARETTES | 0.4904 |  | 0.3965 |  | 0.0837 |
Daily Cigarette Use3 | 0.3044 |  | 0.9483 |  | 0.1357 |
SMOKELESS TOBACCO | 0.3645 |  | 0.4184 |  | 0.6341 |
CIGARS | 0.2927 |  | 0.9307 |  | 0.1401 |
ALCOHOL | 0.4542 |  | 0.1444 |  | 0.7155 |
*Low precision; no estimate reported. NOTE: Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview. 1 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. 2 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs. 3 Daily Cigarette Use is defined as ever smoking every day for at least 30 days. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table 4.16D Standard Errors of Mean Age at First Use among Past Year Initiates of Substance Use Aged 12 to 49, by Gender: 2004 and 2005
Substance | MEAN AGE
--- | ---
Total | Male | Female
2004 | 2005 | 2004 | 2005 | 2004 | 2005
ILLICIT DRUGS1 | 0.34 | 0.39 | 0.56 | 0.53 | 0.43 | 0.56
Marijuana and Hashish | 0.21 | 0.22 | 0.26 | 0.27 | 0.31 | 0.33
Cocaine | 0.45 | 0.38 | 0.55 | 0.56 | 0.77 | 0.47
Crack | 1.35 | 1.28 | 1.24 | 2.04 | 2.19 | 1.56
Heroin | 2.53 | 1.55 | 3.27 | 1.58 | 3.66 | 2.48
Hallucinogens | 0.57 | 0.42 | 0.68 | 0.62 | 0.95 | 0.51
LSD | 0.71 | 0.78 | 0.80 | 1.01 | 1.31 | 0.51
PCP | 1.17 | 0.40 | 0.62 | 0.33 | 2.10 | 0.73
Ecstasy | 0.61 | 0.73 | 0.94 | 1.00 | 0.60 | 1.08
Inhalants | 0.29 | 0.34 | 0.23 | 0.40 | 0.54 | 0.55
Nonmedical Use of Psychotherapeutics2 | 0.40 | 0.52 | 0.63 | 0.75 | 0.59 | 0.70
Pain Relievers | 0.42 | 0.47 | 0.71 | 0.67 | 0.61 | 0.63
OxyContin® | 0.97 | 1.11 | 1.01 | 1.10 | 1.66 | 1.94
Tranquilizers | 0.75 | 0.84 | 1.48 | 1.28 | 0.85 | 1.11
Stimulants | 0.62 | 0.64 | 0.52 | 0.89 | 0.99 | 0.90
Methamphetamine | 0.83 | 0.73 | 0.88 | 0.89 | 1.36 | 1.18
Sedatives | 1.89 | 1.58 | 1.76 | 2.09 | 2.80 | 2.19
ILLICIT DRUGS OTHER THAN MARIJUANA1 | 0.37 | 0.47 | 0.64 | 0.67 | 0.55 | 0.66
CIGARETTES | 0.19 | 0.33 | 0.18 | 0.36 | 0.31 | 0.55
Daily Cigarette Use3 | 0.40 | 0.71 | 0.51 | 0.76 | 0.65 | 1.23
SMOKELESS TOBACCO | 0.47 | 0.45 | 0.38 | 0.52 | 1.30 | 0.89
CIGARS | 0.37 | 0.45 | 0.43 | 0.51 | 0.61 | 0.73
ALCOHOL | 0.12 | 0.11 | 0.10 | 0.14 | 0.19 | 0.16
*Low precision; no estimate reported. NOTE: Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview. 1 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. 2 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs. 3 Daily Cigarette Use is defined as ever smoking every day for at least 30 days. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

60623

Table 4.16P P Values from Tests of Differences of Mean Age at First Use among Past Year Initiates of Substance Use Aged 12 to 49, by Gender: 2005 Versus 2004
Substance | MEAN AGE
--- | ---
Total | Male | Female
2004 | 2005 | 2004 | 2005 | 2004 | 2005
ILLICIT DRUGS1 | 0.3290 |  | 0.7450 |  | 0.1047 |
Marijuana and Hashish | 0.4102 |  | 0.3563 |  | 0.6369 |
Cocaine | 0.5098 |  | 0.8697 |  | 0.4320 |
Crack | 0.4247 |  | 0.5441 |  | 0.6051 |
Heroin | 0.4590 |  | 1.0000 |  | 0.2957 |
Hallucinogens | 0.9854 |  | 0.6021 |  | 0.5526 |
LSD | 0.9556 |  | 0.6008 |  | 0.2004 |
PCP | 0.0478 |  | 0.1064 |  | 0.0830 |
Ecstasy | 0.2165 |  | 0.6618 |  | 0.1282 |
Inhalants | 0.9138 |  | 0.1841 |  | 0.4950 |
Nonmedical Use of Psychotherapeutics2 | 0.4684 |  | 0.6379 |  | 0.5953 |
Pain Relievers | 0.6382 |  | 0.9688 |  | 0.5275 |
OxyContin® | 0.8161 |  | 0.8006 |  | 0.6451 |
Tranquilizers | 0.2588 |  | 0.3044 |  | 0.5250 |
Stimulants | 0.9048 |  | 0.2604 |  | 0.6538 |
Methamphetamine | 0.0743 |  | 0.1820 |  | 0.2008 |
Sedatives | 0.7880 |  | 0.9162 |  | 0.7057 |
ILLICIT DRUGS OTHER THAN MARIJUANA1 | 0.2920 |  | 0.9012 |  | 0.2219 |
CIGARETTES | 0.1445 |  | 0.1132 |  | 0.4305 |
Daily Cigarette Use3 | 0.2974 |  | 0.7773 |  | 0.2713 |
SMOKELESS TOBACCO | 0.4989 |  | 0.9026 |  | 0.2613 |
CIGARS | 0.0762 |  | 0.2076 |  | 0.1758 |
ALCOHOL | 0.7809 |  | 0.1476 |  | 0.2345 |
*Low precision; no estimate reported. NOTE: Past Year Initiates are defined as persons who used the substance(s) for the first time in the 12 months prior to date of interview. 1 Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. 2 Nonmedical use of prescription-type psychotherapeutics includes the nonmedical use of pain relievers, tranquilizers, stimulants, or sedatives and does not include over-the-counter drugs. 3 Daily Cigarette Use is defined as ever smoking every day for at least 30 days. Source: SAMHSA, Office of Applied Studies, National Survey on Drug Use and Health, 2004 and 2005.

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