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110517
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, 2009 and 2010
Demographic Characteristic NUMBER OF PAST YEAR
INITIATES (1,000s)		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
TOTAL POPULATION		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
PERSONS AT RISK FOR
INITIATION1		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
PAST YEAR USERS
2009 2010 2009 2010 2009 2010 2009 2010
*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.
NOTE: Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. These estimates do not include data from new methamphetamine initiation items added in 2007 or new methamphetamine use items added in 2005 and 2006.
1 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, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2009 and 2010.
TOTAL 118 107 0.05 0.04 0.09 0.08 0.31 0.28
AGE                
12-25 77 73 0.13 0.12 0.22 0.20 0.45 0.41
12-17 52 53 0.21 0.22 0.27 0.27 0.89 0.96
12-13 20 24 0.26 0.30 0.29 0.33 2.67 2.57
14-15 36 35 0.39 0.40 0.48 0.49 1.62 1.68
16-17 38 36 0.42 0.41 0.59 0.59 1.22 1.21
18-25 57 51 0.17 0.15 0.37 0.32 0.47 0.41
18-20 52 48 0.35 0.32 0.64 0.61 0.87 0.81
21-25 29 25 0.14 0.12 0.35 0.29 0.41 0.36
26 or Older 85 78 0.04 0.04 0.08 0.08 0.40 0.35
GENDER                
Male 79 72 0.06 0.06 0.13 0.12 0.36 0.32
Female 87 83 0.07 0.06 0.11 0.11 0.53 0.50
GENDER/AGE                
Male 12-17 38 38 0.31 0.30 0.38 0.38 1.30 1.38
Female 12-17 36 39 0.30 0.33 0.37 0.40 1.32 1.41
110517
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, 2010 Versus 2009
Demographic Characteristic NUMBER OF PAST YEAR
INITIATES (1,000s)		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
TOTAL POPULATION		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
PERSONS AT RISK FOR
INITIATION1		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
PAST YEAR USERS
2009 2010 2009 2010 2009 2010 2009 2010
*Low precision; no estimate reported.
N/A: Not applicable.
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.
NOTE: Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically. These estimates do not include data from new methamphetamine initiation items added in 2007 or new methamphetamine use items added in 2005 and 2006.
1 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, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2009 and 2010.
TOTAL N/A   0.3093   0.3209   0.1937  
AGE                
12-25 N/A   0.0856   0.0460   0.1879  
12-17 N/A   0.4450   0.3216   0.4427  
12-13 N/A   0.1946   0.2134   0.3270  
14-15 N/A   0.8055   0.7441   0.7244  
16-17 N/A   0.1935   0.1343   0.1676  
18-25 N/A   0.1325   0.0751   0.2496  
18-20 N/A   0.1443   0.1395   0.1627  
21-25 N/A   0.7143   0.5274   0.9324  
26 or Older N/A   0.8350   0.8215   0.9622  
GENDER                
Male N/A   0.3918   0.4551   0.2671  
Female N/A   0.5322   0.4923   0.4489  
GENDER/AGE                
Male 12-17 N/A   0.1734   0.1082   0.3592  
Female 12-17 N/A   0.7359   0.8009   0.8829  
110405
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, 2009 and 2010
Demographic Characteristic NUMBER OF PAST YEAR
INITIATES (1,000s)		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
TOTAL POPULATION		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
PERSONS AT RISK FOR
INITIATION1		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
PAST YEAR USERS
2009 2010 2009 2010 2009 2010 2009 2010
*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 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, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2009 and 2010.
TOTAL 79 93 0.03 0.04 0.05 0.06 0.28 0.31
AGE                
12-25 73 71 0.12 0.12 0.19 0.18 0.51 0.48
12-17 48 51 0.20 0.21 0.22 0.24 1.13 1.15
12-13 12 17 0.16 0.21 0.16 0.21 5.72 4.30
14-15 35 34 0.39 0.40 0.43 0.44 2.09 2.14
16-17 36 36 0.40 0.40 0.51 0.53 1.39 1.37
18-25 55 50 0.16 0.15 0.32 0.28 0.51 0.47
18-20 51 45 0.35 0.31 0.58 0.53 0.97 0.89
21-25 26 26 0.13 0.12 0.28 0.26 0.43 0.44
26 or Older 15 60 0.01 0.03 0.01 0.05 0.10 0.38
GENDER                
Male 58 66 0.05 0.05 0.09 0.10 0.34 0.37
Female 52 66 0.04 0.05 0.06 0.08 0.48 0.57
GENDER/AGE                
Male 12-17 37 36 0.29 0.29 0.34 0.33 1.56 1.53
Female 12-17 32 32 0.26 0.27 0.29 0.30 1.66 1.72
110405
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, 2010 Versus 2009
Demographic Characteristic NUMBER OF PAST YEAR
INITIATES (1,000s)		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
TOTAL POPULATION		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
PERSONS AT RISK FOR
INITIATION1		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
PAST YEAR USERS
2009 2010 2009 2010 2009 2010 2009 2010
*Low precision; no estimate reported.
N/A: Not applicable.
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 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, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2009 and 2010.
TOTAL N/A   0.6894   0.5988   0.9446  
AGE                
12-25 N/A   0.1614   0.1387   0.1938  
12-17 N/A   0.4806   0.5098   0.1089  
12-13 N/A   0.0341   0.0359   0.0877  
14-15 N/A   0.3701   0.4136   0.0531  
16-17 N/A   0.5929   0.7034   0.2179  
18-25 N/A   0.2536   0.1654   0.3953  
18-20 N/A   0.1280   0.1129   0.1421  
21-25 N/A   0.6201   0.7790   0.4662  
26 or Older N/A   0.0016   0.0015   0.0016  
GENDER                
Male N/A   0.9861   0.8350   0.8245  
Female N/A   0.5912   0.5858   0.7292  
GENDER/AGE                
Male 12-17 N/A   0.1652   0.1692   0.0973  
Female 12-17 N/A   0.6051   0.5698   0.5633  
110405
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, 2009 and 2010
Demographic Characteristic NUMBER OF PAST YEAR
INITIATES (1,000s)		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
TOTAL POPULATION		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
PERSONS AT RISK FOR
INITIATION1		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
PAST YEAR USERS
2009 2010 2009 2010 2009 2010 2009 2010
*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 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, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2009 and 2010.
TOTAL 90 81 0.04 0.03 0.10 0.09 0.13 0.12
AGE                
12-25 78 72 0.13 0.12 0.23 0.21 0.39 0.38
12-17 49 47 0.20 0.19 0.24 0.23 1.13 1.09
12-13 20 17 0.26 0.21 0.27 0.22 4.17 3.79
14-15 30 27 0.34 0.33 0.40 0.38 1.97 1.94
16-17 38 37 0.42 0.42 0.58 0.58 1.46 1.42
18-25 60 54 0.18 0.16 0.44 0.38 0.38 0.36
18-20 57 50 0.39 0.34 0.74 0.67 0.83 0.76
21-25 26 22 0.13 0.11 0.39 0.31 0.28 0.24
26 or Older 35 24 0.02 0.01 0.06 0.04 0.07 0.05
GENDER                
Male 62 56 0.05 0.05 0.16 0.15 0.17 0.16
Female 62 54 0.05 0.04 0.12 0.10 0.19 0.18
GENDER/AGE                
Male 12-17 36 34 0.29 0.27 0.34 0.33 1.52 1.53
Female 12-17 34 33 0.28 0.28 0.33 0.33 1.58 1.57
110405
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, 2010 Versus 2009
Demographic Characteristic NUMBER OF PAST YEAR
INITIATES (1,000s)		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
TOTAL POPULATION		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
PERSONS AT RISK FOR
INITIATION1		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
PAST YEAR USERS
2009 2010 2009 2010 2009 2010 2009 2010
*Low precision; no estimate reported.
N/A: Not applicable.
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 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, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2009 and 2010.
TOTAL N/A   0.1724   0.1221   0.3166  
AGE                
12-25 N/A   0.3075   0.1280   1.0000  
12-17 N/A   0.4622   0.2702   0.6791  
12-13 N/A   0.8040   0.8264   0.4587  
14-15 N/A   0.6935   0.5931   0.6931  
16-17 N/A   0.6517   0.3516   0.9885  
18-25 N/A   0.5222   0.2368   0.9485  
18-20 N/A   0.5692   0.4627   0.9460  
21-25 N/A   0.9546   0.6291   0.7629  
26 or Older N/A   0.2716   0.2694   0.2763  
GENDER                
Male N/A   0.3414   0.3474   0.3689  
Female N/A   0.3217   0.2165   0.6232  
GENDER/AGE                
Male 12-17 N/A   0.3614   0.2220   0.6848  
Female 12-17 N/A   0.9244   0.7655   0.9196  
110405
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, 2009 and 2010
Demographic Characteristic NUMBER OF PAST YEAR
INITIATES (1,000s)		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
TOTAL POPULATION		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
PERSONS AT RISK FOR
INITIATION1		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
PAST YEAR USERS
2009 2010 2009 2010 2009 2010 2009 2010
*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 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, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2009 and 2010.
TOTAL 112 131 0.04 0.05 0.25 0.27 0.07 0.08
AGE                
12-25 94 98 0.16 0.17 0.37 0.36 0.28 0.29
12-17 69 62 0.28 0.25 0.38 0.34 0.79 0.74
12-13 28 27 0.36 0.33 0.39 0.36 2.70 2.79
14-15 47 42 0.50 0.47 0.65 0.60 1.36 1.31
16-17 53 47 0.57 0.50 0.96 0.82 1.04 0.97
18-25 66 78 0.20 0.23 0.90 0.95 0.25 0.29
18-20 55 67 0.38 0.43 1.13 1.18 0.53 0.61
21-25 42 53 0.20 0.24 1.47 1.70 0.24 0.29
26 or Older 34 76 0.02 0.04 0.14 0.32 0.03 0.06
GENDER                
Male 73 97 0.06 0.08 0.39 0.47 0.09 0.12
Female 81 82 0.06 0.06 0.31 0.30 0.10 0.10
GENDER/AGE                
Male 12-17 46 46 0.37 0.37 0.51 0.49 1.07 1.13
Female 12-17 47 44 0.39 0.37 0.52 0.49 1.08 1.07
110405
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, 2010 Versus 2009
Demographic Characteristic NUMBER OF PAST YEAR
INITIATES (1,000s)		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
TOTAL POPULATION		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
PERSONS AT RISK FOR
INITIATION1		 PERCENTAGE OF PAST
YEAR INITIATES AMONG
PAST YEAR USERS
2009 2010 2009 2010 2009 2010 2009 2010
*Low precision; no estimate reported.
N/A: Not applicable.
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 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, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2009 and 2010.
TOTAL N/A   0.6340   0.9929   0.5306  
AGE                
12-25 N/A   0.8303   0.5311   0.6152  
12-17 N/A   0.0908   0.0093   1.0000  
12-13 N/A   0.1811   0.1527   0.3341  
14-15 N/A   0.9479   0.6308   0.2858  
16-17 N/A   0.2782   0.0377   0.7295  
18-25 N/A   0.0398   0.1113   0.0364  
18-20 N/A   0.1480   0.4906   0.0997  
21-25 N/A   0.0998   0.0975   0.1043  
26 or Older N/A   0.4306   0.4412   0.4258  
GENDER                
Male N/A   0.4228   0.7155   0.2681  
Female N/A   0.8827   0.6999   0.7792  
GENDER/AGE                
Male 12-17 N/A   0.1386   0.0147   0.6370  
Female 12-17 N/A   0.3521   0.2191   0.5830  
110517
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, 2009 and 2010
Substance NUMBER OF PAST
YEAR INITIATES
(1,000s)		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG TOTAL
POPULATION		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG PERSONS AT
RISK FOR INITIATION1		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG PAST YEAR
USERS
2009 2010 2009 2010 2009 2010 2009 2010
*Low precision; no estimate reported.
-- Not available.
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 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.
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 Estimates in these designated rows do not include data from new methamphetamine initiation items added in 2007 or new methamphetamine use items added in 2005 and 2006.
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, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2009 and 2010.
ILLICIT DRUGS2,3 118 107 0.05 0.04 0.09 0.08 0.31 0.28
Marijuana and Hashish 79 93 0.03 0.04 0.05 0.06 0.28 0.31
Cocaine 47 57 0.02 0.02 0.02 0.03 0.99 1.22
Crack 15 20 0.01 0.01 0.01 0.01 1.66 2.26
Heroin 30 24 0.01 0.01 0.01 0.01 5.22 3.88
Hallucinogens 66 61 0.03 0.02 0.03 0.03 1.34 1.24
LSD 28 39 0.01 0.02 0.01 0.02 2.94 3.45
PCP 9 11 0.00 0.00 0.00 0.00 * *
Ecstasy 68 55 0.03 0.02 0.03 0.02 2.13 1.85
Inhalants 48 51 0.02 0.02 0.02 0.02 2.25 2.57
Nonmedical Use of Psychotherapeutics3,4 120 113 0.05 0.04 0.06 0.06 0.71 0.68
Pain Relievers 99 91 0.04 0.04 0.05 0.04 0.77 0.75
OxyContin® 55 53 0.02 0.02 0.02 0.02 2.73 2.60
Tranquilizers 95 86 0.04 0.03 0.04 0.04 1.59 1.44
Stimulants3 56 52 0.02 0.02 0.02 0.02 1.77 1.81
Sedatives 29 46 0.01 0.02 0.01 0.02 3.38 4.60
ILLICIT DRUGS OTHER THAN MARIJUANA2,3 119 109 0.05 0.04 0.07 0.06 0.56 0.52
CIGARETTES 90 81 0.04 0.03 0.10 0.09 0.13 0.12
Daily Cigarette Use5 66 57 0.03 0.02 0.04 0.04 -- --
SMOKELESS TOBACCO 67 72 0.03 0.03 0.03 0.03 0.58 0.60
CIGARS 122 120 0.05 0.05 0.07 0.07 0.47 0.46
ALCOHOL 112 131 0.04 0.05 0.25 0.27 0.07 0.08
110517
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, 2010 Versus 2009
Substance NUMBER OF PAST YEAR
INITIATES (1,000s)		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG TOTAL
POPULATION		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG PERSONS AT
RISK FOR INITIATION1		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG PAST YEAR
USERS
2009 2010 2009 2010 2009 2010 2009 2010
*Low precision; no estimate reported.
N/A: Not applicable.
-- Not available.
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 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.
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 Estimates in these designated rows do not include data from new methamphetamine initiation items added in 2007 or new methamphetamine use items added in 2005 and 2006.
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, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2009 and 2010.
ILLICIT DRUGS2,3 N/A   0.3093   0.3209   0.1937  
Marijuana and Hashish N/A   0.6894   0.5988   0.9446  
Cocaine N/A   0.8353   0.8252   0.4124  
Crack N/A   0.6369   0.6448   0.9289  
Heroin N/A   0.3002   0.3037   0.2931  
Hallucinogens N/A   0.5859   0.5873   0.6133  
LSD N/A   0.4411   0.4508   0.9690  
PCP N/A   0.9917   0.9915   *  
Ecstasy N/A   0.0429   0.0524   0.1405  
Inhalants N/A   0.7107   0.6780   0.9647  
Nonmedical Use of Psychotherapeutics3,4 N/A   0.3012   0.2937   0.2943  
Pain Relievers N/A   0.1415   0.1359   0.2706  
OxyContin® N/A   0.9022   0.8960   0.4482  
Tranquilizers N/A   0.9801   0.9741   0.9024  
Stimulants3 N/A   0.2705   0.2650   0.6280  
Sedatives N/A   0.2353   0.2420   0.3871  
ILLICIT DRUGS OTHER THAN MARIJUANA2,3 N/A   0.2945   0.2974   0.5420  
CIGARETTES N/A   0.1724   0.1221   0.3166  
Daily Cigarette Use5 N/A   0.0298   0.0338   --  
SMOKELESS TOBACCO N/A   0.5439   0.5382   0.4301  
CIGARS N/A   0.1728   0.1092   0.3826  
ALCOHOL N/A   0.6340   0.9929   0.5306  
110517
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, 2009 and 2010
Substance NUMBER OF PAST
YEAR INITIATES
(1,000s)		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG TOTAL
POPULATION		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG PERSONS AT
RISK FOR INITIATION1		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG PAST YEAR
USERS
2009 2010 2009 2010 2009 2010 2009 2010
*Low precision; no estimate reported.
-- Not available.
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 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.
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 Estimates in these designated rows do not include data from new methamphetamine initiation items added in 2007 or new methamphetamine use items added in 2005 and 2006.
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, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2009 and 2010.
ILLICIT DRUGS2,3 52 53 0.21 0.22 0.27 0.27 0.89 0.96
Marijuana and Hashish 48 51 0.20 0.21 0.22 0.24 1.13 1.15
Cocaine 17 18 0.07 0.07 0.07 0.07 4.45 4.47
Crack 5 4 0.02 0.02 0.02 0.02 * *
Heroin 5 7 0.02 0.03 0.02 0.03 * *
Hallucinogens 30 33 0.12 0.14 0.13 0.14 2.65 2.54
LSD 12 15 0.05 0.06 0.05 0.06 4.66 5.26
PCP 7 6 0.03 0.03 0.03 0.03 * *
Ecstasy 25 27 0.10 0.11 0.10 0.11 3.17 3.27
Inhalants 31 33 0.13 0.14 0.14 0.15 2.29 2.40
Nonmedical Use of Psychotherapeutics3,4 40 39 0.16 0.16 0.18 0.17 1.58 1.70
Pain Relievers 38 39 0.15 0.16 0.17 0.17 1.69 1.91
OxyContin® 16 19 0.07 0.08 0.07 0.08 4.01 4.38
Tranquilizers 20 21 0.08 0.09 0.08 0.09 2.75 3.38
Stimulants3 18 20 0.07 0.08 0.07 0.09 3.42 3.94
Sedatives 12 12 0.05 0.05 0.05 0.05 * *
ILLICIT DRUGS OTHER THAN MARIJUANA2,3 46 49 0.19 0.20 0.22 0.23 1.29 1.37
CIGARETTES 49 47 0.20 0.19 0.24 0.23 1.13 1.09
Daily Cigarette Use5 23 24 0.09 0.10 0.10 0.10 -- --
SMOKELESS TOBACCO 33 33 0.14 0.14 0.14 0.14 1.74 1.92
CIGARS 43 40 0.17 0.16 0.19 0.18 1.48 1.55
ALCOHOL 69 62 0.28 0.25 0.38 0.34 0.79 0.74
110517
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, 2010 Versus 2009
Substance NUMBER OF PAST YEAR
INITIATES (1,000s)		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG TOTAL
POPULATION		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG PERSONS AT
RISK FOR INITIATION1		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG PAST YEAR
USERS
2009 2010 2009 2010 2009 2010 2009 2010
*Low precision; no estimate reported.
N/A: Not applicable.
-- Not available.
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 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.
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 Estimates in these designated rows do not include data from new methamphetamine initiation items added in 2007 or new methamphetamine use items added in 2005 and 2006.
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, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2009 and 2010.
ILLICIT DRUGS2,3 N/A   0.4450   0.3216   0.4427  
Marijuana and Hashish N/A   0.4806   0.5098   0.1089  
Cocaine N/A   0.5942   0.6031   0.4186  
Crack N/A   0.5036   0.5040   *  
Heroin N/A   0.6436   0.6446   *  
Hallucinogens N/A   0.3406   0.3500   0.2851  
LSD N/A   0.8011   0.7992   0.9329  
PCP N/A   0.6409   0.6396   *  
Ecstasy N/A   0.6620   0.6525   0.2771  
Inhalants N/A   0.7921   0.7041   0.4112  
Nonmedical Use of Psychotherapeutics3,4 N/A   0.3442   0.3041   0.4475  
Pain Relievers N/A   0.5988   0.5616   0.8277  
OxyContin® N/A   0.8528   0.8553   0.7453  
Tranquilizers N/A   0.1738   0.1826   0.0231  
Stimulants3 N/A   0.9154   0.9052   0.6623  
Sedatives N/A   0.5693   0.5654   *  
ILLICIT DRUGS OTHER THAN MARIJUANA2,3 N/A   0.9749   0.8097   0.7346  
CIGARETTES N/A   0.4622   0.2702   0.6791  
Daily Cigarette Use5 N/A   0.4744   0.4553   --  
SMOKELESS TOBACCO N/A   0.0837   0.0828   0.0815  
CIGARS N/A   0.0198   0.0122   0.6194  
ALCOHOL N/A   0.0908   0.0093   1.0000  
110517
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, 2009 and 2010
Substance NUMBER OF PAST
YEAR INITIATES
(1,000s)		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG TOTAL
POPULATION		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG PERSONS AT
RISK FOR INITIATION1		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG PAST YEAR
USERS
2009 2010 2009 2010 2009 2010 2009 2010
*Low precision; no estimate reported.
-- Not available.
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 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.
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 Estimates in these designated rows do not include data from new methamphetamine initiation items added in 2007 or new methamphetamine use items added in 2005 and 2006.
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, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2009 and 2010.
ILLICIT DRUGS2,3 57 51 0.17 0.15 0.37 0.32 0.47 0.41
Marijuana and Hashish 55 50 0.16 0.15 0.32 0.28 0.51 0.47
Cocaine 32 32 0.09 0.09 0.11 0.11 1.56 1.77
Crack 11 7 0.03 0.02 0.03 0.02 5.25 4.05
Heroin 12 15 0.03 0.04 0.04 0.04 5.03 5.51
Hallucinogens 45 45 0.14 0.13 0.16 0.16 1.55 1.54
LSD 25 32 0.07 0.10 0.08 0.10 3.37 3.91
PCP 6 9 0.02 0.03 0.02 0.03 * *
Ecstasy 42 40 0.12 0.12 0.14 0.13 2.16 2.12
Inhalants 28 27 0.08 0.08 0.09 0.09 3.40 3.28
Nonmedical Use of Psychotherapeutics3,4 52 48 0.15 0.14 0.21 0.19 0.91 0.90
Pain Relievers 47 43 0.14 0.13 0.18 0.16 1.02 1.05
OxyContin® 23 22 0.07 0.07 0.07 0.07 2.48 2.58
Tranquilizers 36 40 0.11 0.12 0.12 0.13 1.76 1.83
Stimulants3 31 28 0.09 0.08 0.10 0.09 2.14 2.05
Sedatives 14 14 0.04 0.04 0.04 0.04 * 5.95
ILLICIT DRUGS OTHER THAN MARIJUANA2,3 55 53 0.16 0.16 0.25 0.23 0.75 0.76
CIGARETTES 60 54 0.18 0.16 0.44 0.38 0.38 0.36
Daily Cigarette Use5 38 44 0.11 0.13 0.16 0.18 -- --
SMOKELESS TOBACCO 42 40 0.13 0.12 0.16 0.15 1.14 1.01
CIGARS 61 65 0.18 0.19 0.29 0.30 0.73 0.78
ALCOHOL 66 78 0.20 0.23 0.90 0.95 0.25 0.29
110517
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, 2010 Versus 2009
Substance NUMBER OF PAST YEAR
INITIATES (1,000s)		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG TOTAL
POPULATION		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG PERSONS AT
RISK FOR INITIATION1		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG PAST YEAR
USERS
2009 2010 2009 2010 2009 2010 2009 2010
*Low precision; no estimate reported.
N/A: Not applicable.
-- Not available.
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 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.
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 Estimates in these designated rows do not include data from new methamphetamine initiation items added in 2007 or new methamphetamine use items added in 2005 and 2006.
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, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2009 and 2010.
ILLICIT DRUGS2,3 N/A   0.1325   0.0751   0.2496  
Marijuana and Hashish N/A   0.2536   0.1654   0.3953  
Cocaine N/A   0.5115   0.4267   0.5991  
Crack N/A   0.0763   0.0750   0.0299  
Heroin N/A   0.8166   0.8145   0.5337  
Hallucinogens N/A   0.8023   0.7502   0.8537  
LSD N/A   0.4988   0.5193   0.5218  
PCP N/A   0.6104   0.6120   *  
Ecstasy N/A   0.1913   0.1987   0.0530  
Inhalants N/A   0.7671   0.7300   0.8458  
Nonmedical Use of Psychotherapeutics3,4 N/A   0.0752   0.0708   0.2054  
Pain Relievers N/A   0.0550   0.0521   0.2638  
OxyContin® N/A   0.3010   0.3075   0.3565  
Tranquilizers N/A   0.9190   0.8925   0.7943  
Stimulants3 N/A   0.5246   0.5142   0.5717  
Sedatives N/A   0.4661   0.4713   *  
ILLICIT DRUGS OTHER THAN MARIJUANA2,3 N/A   0.2392   0.1850   0.6706  
CIGARETTES N/A   0.5222   0.2368   0.9485  
Daily Cigarette Use5 N/A   0.6372   0.4860   --  
SMOKELESS TOBACCO N/A   0.7006   0.7052   0.3694  
CIGARS N/A   0.5276   0.3868   0.9580  
ALCOHOL N/A   0.0398   0.1113   0.0364  
110517
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, 2009 and 2010
Substance NUMBER OF PAST
YEAR INITIATES
(1,000s)		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG TOTAL
POPULATION		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG PERSONS AT
RISK FOR INITIATION1		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG PAST YEAR
USERS
2009 2010 2009 2010 2009 2010 2009 2010
*Low precision; no estimate reported.
-- Not available.
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 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.
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 Estimates in these designated rows do not include data from new methamphetamine initiation items added in 2007 or new methamphetamine use items added in 2005 and 2006.
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, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2009 and 2010.
ILLICIT DRUGS2,3 85 78 0.04 0.04 0.08 0.08 0.40 0.35
Marijuana and Hashish 15 60 0.01 0.03 0.01 0.05 0.10 0.38
Cocaine 29 41 0.01 0.02 0.02 0.03 1.01 1.49
Crack 10 18 0.01 0.01 0.01 0.01 1.23 *
Heroin 27 17 0.01 0.01 0.01 0.01 * *
Hallucinogens 34 18 0.02 0.01 0.02 0.01 2.45 1.31
LSD * 15 * 0.01 * 0.01 * *
PCP * * * * * * * *
Ecstasy 42 22 0.02 0.01 0.02 0.01 4.22 3.24
Inhalants 24 27 0.01 0.01 0.01 0.02 * *
Nonmedical Use of Psychotherapeutics3,4 100 91 0.05 0.05 0.06 0.06 1.07 0.95
Pain Relievers 76 68 0.04 0.04 0.05 0.04 1.08 0.98
OxyContin® 47 44 0.02 0.02 0.02 0.02 * 4.45
Tranquilizers 86 73 0.04 0.04 0.05 0.04 2.45 2.04
Stimulants3 41 39 0.02 0.02 0.02 0.02 2.80 3.15
Sedatives 22 42 0.01 0.02 0.01 0.02 * *
ILLICIT DRUGS OTHER THAN MARIJUANA2,3 93 77 0.05 0.04 0.07 0.06 0.79 0.66
CIGARETTES 35 24 0.02 0.01 0.06 0.04 0.07 0.05
Daily Cigarette Use5 49 22 0.03 0.01 0.04 0.02 -- --
SMOKELESS TOBACCO 36 48 0.02 0.02 0.02 0.03 0.48 0.62
CIGARS 91 87 0.05 0.04 0.08 0.07 0.55 0.52
ALCOHOL 34 76 0.02 0.04 0.14 0.32 0.03 0.06
110517
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, 2010 Versus 2009
Substance NUMBER OF PAST YEAR
INITIATES (1,000s)		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG TOTAL
POPULATION		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG PERSONS AT
RISK FOR INITIATION1		 PERCENTAGE OF PAST
YEAR INITIATES
AMONG PAST YEAR
USERS
2009 2010 2009 2010 2009 2010 2009 2010
*Low precision; no estimate reported.
N/A: Not applicable.
-- Not available.
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 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.
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 Estimates in these designated rows do not include data from new methamphetamine initiation items added in 2007 or new methamphetamine use items added in 2005 and 2006.
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, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2009 and 2010.
ILLICIT DRUGS2,3 N/A   0.8350   0.8215   0.9622  
Marijuana and Hashish N/A   0.0016   0.0015   0.0016  
Cocaine N/A   0.5232   0.5175   0.4626  
Crack N/A   0.4570   0.4546   *  
Heroin N/A   0.1341   0.1350   *  
Hallucinogens N/A   0.0614   0.0616   0.0602  
LSD N/A   *   *   *  
PCP N/A   *   *   *  
Ecstasy N/A   0.0133   0.0141   0.0689  
Inhalants N/A   0.8893   0.8923   *  
Nonmedical Use of Psychotherapeutics3,4 N/A   0.9009   0.9043   0.9872  
Pain Relievers N/A   0.7470   0.7411   0.6944  
OxyContin® N/A   0.5574   0.5555   *  
Tranquilizers N/A   0.7451   0.7459   0.8137  
Stimulants3 N/A   0.3441   0.3424   0.5057  
Sedatives N/A   0.2045   0.2069   *  
ILLICIT DRUGS OTHER THAN MARIJUANA2,3 N/A   0.5763   0.5871   0.6114  
CIGARETTES N/A   0.2716   0.2694   0.2763  
Daily Cigarette Use5 N/A   0.0143   0.0149   --  
SMOKELESS TOBACCO N/A   0.4066   0.4090   0.4192  
CIGARS N/A   0.7700   0.7139   0.8024  
ALCOHOL N/A   0.4306   0.4412   0.4258  
110517
Table 4.9C – Past Year Initiation of Substance Use among Persons Aged 12 or Older, by Gender: Standard Errors of Numbers in Thousands, 2009 and 2010
Substance Total
(2009)		 Total
(2010)		 Male
(2009)		 Male
(2010)		 Female
(2009)		 Female
(2010)
*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 Estimates in these designated rows do not include data from new methamphetamine initiation items added in 2007 or new methamphetamine use items added in 2005 and 2006.
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, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2009 and 2010.
ILLICIT DRUGS1,2 118 107 79 72 87 83
Marijuana and Hashish 79 93 58 66 52 66
Cocaine 47 57 32 45 34 31
Crack 15 20 13 8 9 18
Heroin 30 24 20 19 22 15
Hallucinogens 66 61 55 43 36 41
LSD 28 39 22 25 16 27
PCP 9 11 6 9 7 6
Ecstasy 68 55 53 39 39 36
Inhalants 48 51 37 36 28 35
Nonmedical Use of Psychotherapeutics2,3 120 113 79 76 90 83
Pain Relievers 99 91 71 62 67 67
OxyContin® 55 53 48 40 26 36
Tranquilizers 95 86 65 57 71 63
Stimulants2 56 52 41 29 38 43
Sedatives 29 46 22 34 18 31
ILLICIT DRUGS OTHER THAN MARIJUANA1,2 119 109 77 69 90 85
CIGARETTES 90 81 62 56 62 54
Daily Cigarette Use4 66 57 43 42 49 36
SMOKELESS TOBACCO 67 72 59 62 32 32
CIGARS 122 120 86 77 87 88
ALCOHOL 112 131 73 97 81 82
110517
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, 2009 and 2010
Substance Total
(2009)		 Total
(2010)		 Male
(2009)		 Male
(2010)		 Female
(2009)		 Female
(2010)
*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 Estimates in these designated rows do not include data from new methamphetamine initiation items added in 2007 or new methamphetamine use items added in 2005 and 2006.
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, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2009 and 2010.
ILLICIT DRUGS1,2 61 60 44 43 40 42
Marijuana and Hashish 56 57 41 41 36 36
Cocaine 19 20 13 14 14 14
Crack 5 6 4 4 4 5
Heroin 8 9 7 6 3 7
Hallucinogens 34 38 25 27 21 26
LSD 14 16 10 11 9 12
PCP 7 6 4 3 6 6
Ecstasy 28 32 21 21 19 24
Inhalants 33 34 21 22 25 26
Nonmedical Use of Psychotherapeutics2,3 45 43 31 30 32 30
Pain Relievers 43 43 29 31 32 28
OxyContin® 18 21 13 16 13 13
Tranquilizers 25 23 18 15 17 17
Stimulants2 21 23 14 13 15 18
Sedatives 13 12 10 6 8 11
ILLICIT DRUGS OTHER THAN MARIJUANA1,2 52 54 36 36 36 37
CIGARETTES 58 55 42 40 40 38
Daily Cigarette Use4 29 29 20 22 19 19
SMOKELESS TOBACCO 36 37 33 33 15 16
CIGARS 52 44 42 34 29 29
ALCOHOL 84 75 56 54 55 52
110517
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, 2009 and 2010
Substance Total
(2009)		 Total
(2010)		 Male
(2009)		 Male
(2010)		 Female
(2009)		 Female
(2010)
*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 Estimates in these designated rows do not include data from new methamphetamine initiation items added in 2007 or new methamphetamine use items added in 2005 and 2006.
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, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2009 and 2010.
ILLICIT DRUGS1,2 79 73 57 53 52 51
Marijuana and Hashish 74 70 55 51 47 45
Cocaine 30 30 24 24 17 18
Crack 9 8 7 5 5 6
Heroin 10 15 9 10 5 12
Hallucinogens 49 50 40 37 28 30
LSD 24 27 20 21 13 15
PCP 9 11 6 9 6 6
Ecstasy 43 43 35 30 26 27
Inhalants 39 41 26 26 27 31
Nonmedical Use of Psychotherapeutics2,3 61 58 42 40 43 41
Pain Relievers 56 55 39 39 40 38
OxyContin® 25 27 20 20 15 16
Tranquilizers 35 39 26 25 24 29
Stimulants2 34 30 25 23 22 22
Sedatives 16 16 12 9 10 13
ILLICIT DRUGS OTHER THAN MARIJUANA1,2 68 71 50 47 46 50
CIGARETTES 80 74 57 54 52 48
Daily Cigarette Use4 43 49 29 39 29 28
SMOKELESS TOBACCO 52 48 45 42 24 22
CIGARS 72 71 57 53 43 47
ALCOHOL 98 98 67 70 65 65
110517
Table 4.12C – Past Year Initiation of Substance Use among Persons Aged 12 to 49, by Gender: Standard Errors of Numbers in Thousands, 2009 and 2010
Substance Total
(2009)		 Total
(2010)		 Male
(2009)		 Male
(2010)		 Female
(2009)		 Female
(2010)
*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 Estimates in these designated rows do not include data from new methamphetamine initiation items added in 2007 or new methamphetamine use items added in 2005 and 2006.
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, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2009 and 2010.
ILLICIT DRUGS1,2 89 96 61 65 64 75
Marijuana and Hashish 77 89 57 65 52 61
Cocaine 47 57 32 45 34 31
Crack 15 20 13 8 9 18
Heroin 30 24 20 19 22 15
Hallucinogens 65 60 54 43 35 40
LSD 28 39 22 25 16 27
PCP 9 11 6 9 7 6
Ecstasy 67 54 52 38 38 36
Inhalants 47 46 37 28 28 35
Nonmedical Use of Psychotherapeutics2,3 93 100 62 65 68 77
Pain Relievers 89 81 63 55 61 60
OxyContin® 49 47 42 39 26 27
Tranquilizers 65 78 45 54 48 55
Stimulants2 56 52 41 29 38 43
Sedatives 25 30 22 21 12 22
ILLICIT DRUGS OTHER THAN MARIJUANA1,2 91 100 59 60 68 80
CIGARETTES 88 79 62 55 61 53
Daily Cigarette Use4 63 56 43 42 46 36
SMOKELESS TOBACCO 65 67 56 58 32 32
CIGARS 110 102 83 71 74 70
ALCOHOL 106 112 71 77 76 80
110517
Table 4.13D – Standard Errors of Mean Age at First Use among Past Year Initiates of Substance Use Aged 12 or Older, by Gender: 2009 and 2010
Substance Total
(2009)		 Total
(2010)		 Male
(2009)		 Male
(2010)		 Female
(2009)		 Female
(2010)
*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 Estimates in these designated rows do not include data from new methamphetamine initiation items added in 2007 or new methamphetamine use items added in 2005 and 2006.
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, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2009 and 2010.
ILLICIT DRUGS1,2 1.02 0.82 1.50 0.99 1.39 1.25
Marijuana and Hashish 0.13 0.75 0.10 0.59 0.23 1.35
Cocaine 0.42 0.97 0.46 1.37 0.71 1.14
Crack 0.67 2.45 0.87 2.24 0.98 3.42
Heroin 1.43 1.06 1.28 1.32 2.19 1.61
Hallucinogens 0.31 0.21 0.41 0.30 0.44 0.30
LSD 0.21 0.41 0.21 0.32 0.43 0.76
PCP 0.80 0.57 0.48 0.48 1.66 1.01
Ecstasy 0.39 0.47 0.56 0.64 0.48 0.69
Inhalants 0.68 0.96 1.17 1.84 0.33 0.56
Nonmedical Use of Psychotherapeutics2,3 1.16 0.85 1.91 1.43 1.44 1.00
Pain Relievers 0.73 0.74 1.10 1.17 0.97 0.92
OxyContin® 1.70 1.46 2.57 1.43 1.46 2.52
Tranquilizers 2.01 1.08 3.38 1.39 2.42 1.53
Stimulants2 0.72 1.28 0.76 1.09 1.13 2.08
Sedatives 2.64 4.58 1.64 7.51 5.37 5.21
ILLICIT DRUGS OTHER THAN MARIJUANA1,2 1.10 0.75 1.70 1.18 1.44 0.93
CIGARETTES 0.26 0.22 0.35 0.29 0.38 0.33
Daily Cigarette Use4 0.82 0.34 0.89 0.33 1.33 0.63
SMOKELESS TOBACCO 0.57 0.98 0.73 1.24 0.57 1.28
CIGARS 0.77 0.72 0.64 0.82 1.50 1.19
ALCOHOL 0.19 0.62 0.12 1.20 0.35 0.31
110517
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: 2010 Versus 2009
Substance Total
(2009)		 Total
(2010)		 Male
(2009)		 Male
(2010)		 Female
(2009)		 Female
(2010)
*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 Estimates in these designated rows do not include data from new methamphetamine initiation items added in 2007 or new methamphetamine use items added in 2005 and 2006.
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, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2009 and 2010.
ILLICIT DRUGS1,2 0.9250   0.8298   0.9554  
Marijuana and Hashish 0.0034   0.0295   0.0226  
Cocaine 0.2372   0.1183   0.8839  
Crack 0.1006   0.4863   0.0919  
Heroin 0.0199   0.9172   0.0011  
Hallucinogens 0.1079   0.0994   0.6813  
LSD 0.1233   0.3174   0.1916  
PCP 0.4271   0.0096   0.7917  
Ecstasy 0.2971   0.2008   1.0000  
Inhalants 0.7614   0.9500   0.2710  
Nonmedical Use of Psychotherapeutics2,3 0.7757   0.8118   0.5292  
Pain Relievers 0.7422   0.9328   0.7051  
OxyContin® 0.8690   0.2891   0.1019  
Tranquilizers 0.5862   0.6565   0.6760  
Stimulants2 0.8817   0.9401   0.8879  
Sedatives 0.1379   0.0855   0.7678  
ILLICIT DRUGS OTHER THAN MARIJUANA1,2 0.3217   0.7835   0.2571  
CIGARETTES 0.7042   0.7620   0.8130  
Daily Cigarette Use4 0.0144   0.1867   0.0468  
SMOKELESS TOBACCO 0.2957   0.3384   0.6620  
CIGARS 0.9541   0.7725   0.7263  
ALCOHOL 0.1343   0.0836   0.8281  
110517
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: 2009 and 2010
Substance Total
(2009)		 Total
(2010)		 Male
(2009)		 Male
(2010)		 Female
(2009)		 Female
(2010)
*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 Estimates in these designated rows do not include data from new methamphetamine initiation items added in 2007 or new methamphetamine use items added in 2005 and 2006.
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, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2009 and 2010.
ILLICIT DRUGS1,2 0.05 0.06 0.08 0.08 0.07 0.09
Marijuana and Hashish 0.05 0.06 0.07 0.08 0.07 0.08
Cocaine 0.14 0.12 0.16 0.15 0.23 0.19
Crack 0.41 0.25 0.36 * 0.62 0.34
Heroin 0.23 0.44 0.27 * 0.39 0.65
Hallucinogens 0.08 0.08 0.10 0.12 0.12 0.12
LSD 0.13 0.19 0.18 0.25 0.21 0.29
PCP 0.36 0.25 0.40 0.42 0.40 0.27
Ecstasy 0.10 0.09 0.12 0.15 0.15 0.13
Inhalants 0.10 0.11 0.16 0.15 0.14 0.15
Nonmedical Use of Psychotherapeutics2,3 0.06 0.07 0.09 0.11 0.09 0.09
Pain Relievers 0.07 0.07 0.09 0.11 0.10 0.09
OxyContin® 0.11 0.13 0.15 0.15 0.15 0.20
Tranquilizers 0.09 0.10 0.15 0.15 0.11 0.14
Stimulants2 0.15 0.13 0.21 0.21 0.22 0.17
Sedatives 0.24 0.30 0.30 0.42 0.38 0.40
ILLICIT DRUGS OTHER THAN MARIJUANA1,2 0.06 0.07 0.09 0.09 0.09 0.10
CIGARETTES 0.06 0.06 0.08 0.08 0.08 0.08
Daily Cigarette Use4 0.08 0.09 0.10 0.12 0.14 0.13
SMOKELESS TOBACCO 0.08 0.08 0.09 0.10 0.15 0.12
CIGARS 0.05 0.06 0.07 0.08 0.09 0.10
ALCOHOL 0.04 0.04 0.06 0.06 0.05 0.05
110517
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: 2010 Versus 2009
Substance Total
(2009)		 Total
(2010)		 Male
(2009)		 Male
(2010)		 Female
(2009)		 Female
(2010)
*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 Estimates in these designated rows do not include data from new methamphetamine initiation items added in 2007 or new methamphetamine use items added in 2005 and 2006.
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, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2009 and 2010.
ILLICIT DRUGS1,2 0.2903   0.5009   0.4428  
Marijuana and Hashish 0.6133   0.5039   1.0000  
Cocaine 0.7788   0.5779   0.4731  
Crack 0.1173   *   0.1291  
Heroin 0.0808   *   0.3685  
Hallucinogens 0.7187   0.2662   0.4464  
LSD 0.3018   0.2587   0.7649  
PCP 0.0792   0.2280   0.0196  
Ecstasy 0.6479   0.1650   0.3979  
Inhalants 0.9360   0.9025   0.9926  
Nonmedical Use of Psychotherapeutics2,3 0.5257   0.6519   0.6592  
Pain Relievers 0.9903   0.4402   0.5978  
OxyContin® 0.9096   0.7173   0.9328  
Tranquilizers 0.7969   0.3112   0.2643  
Stimulants2 0.2309   0.4043   0.3505  
Sedatives 0.5174   0.6757   0.6218  
ILLICIT DRUGS OTHER THAN MARIJUANA1,2 0.6208   0.5715   0.9745  
CIGARETTES 0.6548   0.9326   0.5689  
Daily Cigarette Use4 0.1733   0.4276   0.2596  
SMOKELESS TOBACCO 0.5341   0.4576   0.9211  
CIGARS 0.6692   0.3499   0.6206  
ALCOHOL 0.4436   0.2849   0.9620  
110517
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: 2009 and 2010
Substance Total
(2009)		 Total
(2010)		 Male
(2009)		 Male
(2010)		 Female
(2009)		 Female
(2010)
*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 Estimates in these designated rows do not include data from new methamphetamine initiation items added in 2007 or new methamphetamine use items added in 2005 and 2006.
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, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2009 and 2010.
ILLICIT DRUGS1,2 0.07 0.08 0.09 0.10 0.10 0.11
Marijuana and Hashish 0.07 0.08 0.09 0.11 0.10 0.10
Cocaine 0.14 0.14 0.16 0.18 0.23 0.23
Crack 0.43 0.32 0.53 0.46 0.56 0.43
Heroin 0.24 0.36 0.29 0.53 0.40 0.52
Hallucinogens 0.10 0.10 0.12 0.13 0.15 0.14
LSD 0.16 0.19 0.20 0.24 0.28 0.29
PCP 0.52 0.53 0.48 0.52 0.71 0.34
Ecstasy 0.11 0.11 0.14 0.16 0.17 0.16
Inhalants 0.16 0.17 0.21 0.20 0.23 0.25
Nonmedical Use of Psychotherapeutics2,3 0.08 0.09 0.11 0.13 0.12 0.12
Pain Relievers 0.09 0.10 0.11 0.14 0.14 0.14
OxyContin® 0.13 0.16 0.17 0.21 0.19 0.21
Tranquilizers 0.12 0.13 0.16 0.19 0.17 0.19
Stimulants2 0.17 0.16 0.22 0.20 0.25 0.21
Sedatives 0.32 0.34 0.41 0.58 0.51 0.40
ILLICIT DRUGS OTHER THAN MARIJUANA1,2 0.08 0.09 0.11 0.11 0.13 0.14
CIGARETTES 0.07 0.06 0.09 0.09 0.11 0.09
Daily Cigarette Use4 0.09 0.11 0.12 0.13 0.14 0.17
SMOKELESS TOBACCO 0.09 0.11 0.10 0.12 0.18 0.19
CIGARS 0.06 0.07 0.08 0.08 0.10 0.13
ALCOHOL 0.05 0.05 0.08 0.08 0.07 0.07
110517
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: 2010 Versus 2009
Substance Total
(2009)		 Total
(2010)		 Male
(2009)		 Male
(2010)		 Female
(2009)		 Female
(2010)
*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 Estimates in these designated rows do not include data from new methamphetamine initiation items added in 2007 or new methamphetamine use items added in 2005 and 2006.
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, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2009 and 2010.
ILLICIT DRUGS1,2 0.1390   0.4240   0.1978  
Marijuana and Hashish 0.3053   0.8549   0.1894  
Cocaine 0.4802   0.5862   0.8146  
Crack 0.7525   0.3610   0.4344  
Heroin 0.1044   0.6584   0.0700  
Hallucinogens 0.1604   0.2240   0.5223  
LSD 0.8781   0.9673   0.8793  
PCP 0.1134   0.0418   0.2605  
Ecstasy 0.2148   0.3804   0.5502  
Inhalants 0.7040   0.4902   0.9640  
Nonmedical Use of Psychotherapeutics2,3 0.7539   0.5353   0.2929  
Pain Relievers 0.9390   0.6928   0.7608  
OxyContin® 0.7356   0.2169   0.3434  
Tranquilizers 0.0417   0.0160   0.4444  
Stimulants2 0.9160   0.6392   0.5360  
Sedatives 0.3739   0.2710   0.7704  
ILLICIT DRUGS OTHER THAN MARIJUANA1,2 0.4487   0.6299   0.5868  
CIGARETTES 0.9371   0.7156   0.8042  
Daily Cigarette Use4 0.9481   0.7383   0.6350  
SMOKELESS TOBACCO 0.8315   0.8791   0.8607  
CIGARS 0.0265   0.0520   0.2647  
ALCOHOL 0.0221   0.1026   0.0855  
110517
Table 4.16D – Standard Errors of Mean Age at First Use among Past Year Initiates of Substance Use Aged 12 to 49, by Gender: 2009 and 2010
Substance Total
(2009)		 Total
(2010)		 Male
(2009)		 Male
(2010)		 Female
(2009)		 Female
(2010)
*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 Estimates in these designated rows do not include data from new methamphetamine initiation items added in 2007 or new methamphetamine use items added in 2005 and 2006.
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, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2009 and 2010.
ILLICIT DRUGS1,2 0.19 0.50 0.19 0.48 0.33 0.84
Marijuana and Hashish 0.13 0.48 0.10 0.59 0.23 0.77
Cocaine 0.42 0.97 0.46 1.37 0.71 1.14
Crack 0.67 2.45 0.87 2.24 0.98 3.42
Heroin 1.43 1.06 1.28 1.32 2.19 1.61
Hallucinogens 0.31 0.21 0.41 0.30 0.44 0.30
LSD 0.21 0.41 0.21 0.32 0.43 0.76
PCP 0.80 0.57 0.48 0.48 1.66 1.01
Ecstasy 0.39 0.45 0.56 0.64 0.48 0.62
Inhalants 0.68 0.35 1.17 0.41 0.33 0.56
Nonmedical Use of Psychotherapeutics2,3 0.43 0.56 0.56 0.70 0.62 0.83
Pain Relievers 0.45 0.45 0.59 0.63 0.66 0.63
OxyContin® 1.28 0.97 1.97 1.27 1.46 1.47
Tranquilizers 0.64 0.74 0.84 1.12 0.89 1.01
Stimulants2 0.72 1.28 0.76 1.09 1.13 2.08
Sedatives 1.03 2.02 1.16 2.49 1.93 3.00
ILLICIT DRUGS OTHER THAN MARIJUANA1,2 0.33 0.48 0.26 0.45 0.56 0.78
CIGARETTES 0.26 0.21 0.34 0.29 0.38 0.30
Daily Cigarette Use4 0.70 0.34 0.89 0.33 1.07 0.63
SMOKELESS TOBACCO 0.42 0.51 0.52 0.54 0.57 1.28
CIGARS 0.45 0.38 0.57 0.54 0.69 0.52
ALCOHOL 0.13 0.16 0.12 0.12 0.22 0.29
110517
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: 2010 Versus 2009
Substance Total
(2009)		 Total
(2010)		 Male
(2009)		 Male
(2010)		 Female
(2009)		 Female
(2010)
*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 Estimates in these designated rows do not include data from new methamphetamine initiation items added in 2007 or new methamphetamine use items added in 2005 and 2006.
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, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2009 and 2010.
ILLICIT DRUGS1,2 0.0048   0.0271   0.0408  
Marijuana and Hashish 0.0052   0.0295   0.0647  
Cocaine 0.2372   0.1183   0.8839  
Crack 0.1006   0.4863   0.0919  
Heroin 0.0199   0.9172   0.0011  
Hallucinogens 0.1079   0.0994   0.6813  
LSD 0.1233   0.3174   0.1916  
PCP 0.4271   0.0096   0.7917  
Ecstasy 0.1823   0.2008   0.6854  
Inhalants 0.4522   0.1505   0.2710  
Nonmedical Use of Psychotherapeutics2,3 0.0617   0.0829   0.2552  
Pain Relievers 0.7993   0.8902   0.8008  
OxyContin® 0.7658   0.9111   0.5039  
Tranquilizers 0.0273   0.0862   0.1949  
Stimulants2 0.8817   0.9401   0.8879  
Sedatives 0.0934   0.0720   0.4247  
ILLICIT DRUGS OTHER THAN MARIJUANA1,2 0.1306   0.0759   0.3895  
CIGARETTES 0.6125   0.8442   0.6063  
Daily Cigarette Use4 0.0334   0.2284   0.0998  
SMOKELESS TOBACCO 0.4662   0.5627   0.6620  
CIGARS 0.6831   0.9512   0.4330  
ALCOHOL 0.2391   0.0141   0.8455  

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