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120405
Table 4.1B – 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: Numbers in Thousands and Percentages, 2010 and 2011
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
2010 2011 2010 2011 2010 2011 2010 2011
*Low precision; no estimate reported.
NOTE: Some 2010 estimates may differ from previously published estimates due to updates (see Section B.3 in Appendix B of the Results from the 2011 National Survey on Drug Use and Health: National Findings).
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.
a Difference between estimate and 2011 estimate is statistically significant at the 0.05 level.
b Difference between estimate and 2011 estimate is statistically significant at the 0.01 level.
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, National Survey on Drug Use and Health, 2010 and 2011.
TOTAL 2,982 3,083 1.2 1.2 2.2 2.2 7.7 8.1
AGE                
12-25 2,525 2,715 4.3 4.6 7.2 7.5 15.1 16.2
12-17 1,530 1,577 6.3 6.3 7.8 7.8 32.3 33.3
12-13 278 221 3.5 2.8 3.9 3.1 40.8 39.6
14-15 604 663 7.5 7.8 9.2 9.4 39.6 41.8
16-17 648 693 7.7 8.1 11.1 11.7 25.5 26.8
18-25 995 1,137 2.9 3.3 6.4 7.2 8.3 9.4
18-20 723 810 5.3 6.0 10.2 11.2 14.0 15.5
21-25 272 328 1.3 1.6 3.2 3.8 4.0 4.8
26 or Older 457 368 0.2 0.2 0.4 0.4 2.1 1.7
GENDER                
Male 1,426 1,362 1.2 1.1 2.4 2.2 6.3 6.2
Female 1,556 1,721 1.2 1.3 2.0 2.2 9.5 10.6
GENDER/AGE                
Male 12-17 746 736 6.0 5.8 7.5 7.2 30.8 30.2
Female 12-17 784 841 6.6 6.9 8.1 8.4 33.7 36.6
120405
Table 4.2B – 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: Numbers in Thousands and Percentages, 2010 and 2011
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
2010 2011 2010 2011 2010 2011 2010 2011
*Low precision; no estimate reported.
NOTE: Some 2010 estimates may differ from previously published estimates due to updates (see Section B.3 in Appendix B of the Results from the 2011 National Survey on Drug Use and Health: National Findings).
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.
a Difference between estimate and 2011 estimate is statistically significant at the 0.05 level.
b Difference between estimate and 2011 estimate is statistically significant at the 0.01 level.
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, National Survey on Drug Use and Health, 2010 and 2011.
TOTAL 2,439 2,617 1.0 1.0 1.6 1.7 8.3 8.8
AGE                
12-25 2,192a 2,435 3.8a 4.1 5.6a 6.2 16.1 17.3
12-17 1,274 1,375 5.2 5.5 5.9 6.3 37.3 38.7
12-13 132 123 1.7 1.6 1.7 1.6 66.8 59.8
14-15 510 583 6.3 6.9 7.0 7.5 47.9 51.7
16-17 632 669 7.5 7.8 9.9 10.3 29.4 30.1
18-25 918 1,060 2.7 3.1 5.3 6.0 9.0 10.0
18-20 663 788 4.9a 5.8 8.4a 10.0 14.7 16.7
21-25 254 272 1.2 1.3 2.7 2.8 4.4 4.7
26 or Older 247 182 0.1 0.1 0.2 0.2 1.6 1.2
GENDER                
Male 1,230 1,263 1.0 1.0 1.9 1.9 6.9 7.1
Female 1,209 1,354 0.9 1.0 1.5 1.6 10.6 11.4
GENDER/AGE                
Male 12-17 650 697 5.2 5.5 6.0 6.3 34.9 36.1
Female 12-17 624 677 5.3 5.5 5.9 6.2 40.2 41.8
120405
Table 4.3B – 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: Numbers in Thousands and Percentages, 2010 and 2011
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
2010 2011 2010 2011 2010 2011 2010 2011
*Low precision; no estimate reported.
NOTE: Some 2010 estimates may differ from previously published estimates due to updates (see Section B.3 in Appendix B of the Results from the 2011 National Survey on Drug Use and Health: National Findings).
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.
a Difference between estimate and 2011 estimate is statistically significant at the 0.05 level.
b Difference between estimate and 2011 estimate is statistically significant at the 0.01 level.
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, National Survey on Drug Use and Health, 2010 and 2011.
TOTAL 2,403 2,394 0.9 0.9 2.6 2.4 3.5 3.6
AGE                
12-25 2,325 2,321 4.0 3.9 6.7 6.5 12.8 13.0
12-17 1,205 1,165 4.9 4.7 5.9 5.5 34.8 35.5
12-13 164 153 2.1 1.9 2.2 2.0 52.8 59.6
14-15 456 405 5.7a 4.8 6.6a 5.5 41.8 42.0
16-17 584 607 7.0 7.1 9.6 9.6 28.4 29.4
18-25 1,120 1,156 3.3 3.4 8.0 8.0 7.6 8.0
18-20 910 932 6.7 6.9 13.2 13.0 15.8 16.8
21-25 210 224 1.0 1.1 3.0 3.0 2.3 2.5
26 or Older 78 73 0.0 0.0 0.1 0.1 0.2 0.1
GENDER                
Male 1,220 1,181 1.0 0.9 3.1 2.9 3.3 3.3
Female 1,182 1,213 0.9 0.9 2.2 2.1 3.7 3.9
GENDER/AGE                
Male 12-17 597 583 4.8 4.6 5.7 5.4 33.2 33.3
Female 12-17 608 582 5.1 4.8 6.0 5.5 36.5 37.9
120405
Table 4.4B – 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: Numbers in Thousands and Percentages, 2010 and 2011
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
2010 2011 2010 2011 2010 2011 2010 2011
*Low precision; no estimate reported.
NOTE: Some 2010 estimates may differ from previously published estimates due to updates (see Section B.3 in Appendix B of the Results from the 2011 National Survey on Drug Use and Health: National Findings).
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.
a Difference between estimate and 2011 estimate is statistically significant at the 0.05 level.
b Difference between estimate and 2011 estimate is statistically significant at the 0.01 level.
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, National Survey on Drug Use and Health, 2010 and 2011.
TOTAL 4,675 4,699 1.8 1.8 9.5 9.3 2.8 2.8
AGE                
12-25 4,484 4,593 7.7 7.7 17.9 17.4 13.3 13.8
12-17 2,476 2,622 10.2 10.5 13.6 13.8 35.5a 37.8
12-13 336 337 4.2 4.3 4.6 4.6 49.1 55.4
14-15 1,013 1,056 12.6 12.4 16.5 15.8 43.8 47.4
16-17 1,127 1,229 13.4 14.3 23.5 24.7 28.3 29.9
18-25 2,008 1,971 5.9 5.7 29.1 26.7 7.5 7.5
18-20 1,287 1,213 9.4 9.0 29.6a 25.9 13.6 13.5
21-25 721 758 3.5 3.7 28.3 28.2 4.2 4.4
26 or Older 191 106 0.1 0.1 0.8 0.4 0.1 0.1
GENDER                
Male 2,321 2,293 1.9 1.8 11.5 11.2 2.7 2.6
Female 2,353 2,406 1.8 1.8 8.2 8.0 2.8 2.9
GENDER/AGE                
Male 12-17 1,190 1,287 9.6 10.1 12.8 13.3 34.4 37.3
Female 12-17 1,285 1,335 10.8 10.9 14.4 14.3 36.5 38.3
120405
Table 4.5B – 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: Numbers in Thousands and Percentages, 2010 and 2011
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
2010 2011 2010 2011 2010 2011 2010 2011
*Low precision; no estimate reported.
-- Not available.
NOTE: Some 2010 estimates may differ from previously published estimates due to updates (see Section B.3 in Appendix B of the Results from the 2011 National Survey on Drug Use and Health: National Findings).
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.
a Difference between estimate and 2011 estimate is statistically significant at the 0.05 level.
b Difference between estimate and 2011 estimate is statistically significant at the 0.01 level.
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.
6 Smokeless Tobacco includes chewing tobacco or snuff.
Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2010 and 2011.
ILLICIT DRUGS2,3 2,982 3,083 1.2 1.2 2.2 2.2 7.7 8.1
Marijuana and Hashish 2,439 2,617 1.0 1.0 1.6 1.7 8.3 8.8
Cocaine 642 670 0.3 0.3 0.3 0.3 14.2 17.4
Crack 83 76 0.0 0.0 0.0 0.0 9.4 12.1
Heroin 142 178 0.1 0.1 0.1 0.1 22.9 28.7
Hallucinogens 1,240 1,137 0.5 0.4 0.6 0.5 27.3 27.9
LSD 381 358 0.2 0.1 0.2 0.2 43.2 40.7
PCP 46 48 0.0 0.0 0.0 0.0 * *
Ecstasy 949 922 0.4 0.4 0.4 0.4 35.8 38.1
Inhalants 800 719 0.3 0.3 0.3 0.3 39.0 38.6
Nonmedical Use of Psychotherapeutics3,4 2,428 2,346 1.0 0.9 1.2 1.1 15.2 16.1
Pain Relievers 2,013 1,888 0.8 0.7 0.9 0.8 16.4 16.9
OxyContin® 600 483 0.2 0.2 0.2 0.2 31.9 29.7
Tranquilizers 1,244 1,204 0.5 0.5 0.5 0.5 22.3 23.6
Stimulants3 626 670 0.2 0.3 0.3 0.3 23.2 27.0
Sedatives 253 159 0.1 0.1 0.1 0.1 27.9 30.3
ILLICIT DRUGS OTHER THAN MARIJUANA2,3 2,667 2,553 1.1 1.0 1.5 1.4 12.9 13.5
CIGARETTES 2,403 2,394 0.9 0.9 2.6 2.4 3.5 3.6
Daily Cigarette Use5 962 878 0.4 0.3 0.6 0.5 -- --
SMOKELESS TOBACCO6 1,425 1,297 0.6 0.5 0.7 0.6 11.5 11.0
CIGARS 2,950 2,800 1.2 1.1 1.8 1.6 11.3 11.2
ALCOHOL 4,675 4,699 1.8 1.8 9.5 9.3 2.8 2.8
120405
Table 4.6B – 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: Numbers in Thousands and Percentages, 2010 and 2011
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
2010 2011 2010 2011 2010 2011 2010 2011
*Low precision; no estimate reported.
-- Not available.
NOTE: Some 2010 estimates may differ from previously published estimates due to updates (see Section B.3 in Appendix B of the Results from the 2011 National Survey on Drug Use and Health: National Findings).
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.
a Difference between estimate and 2011 estimate is statistically significant at the 0.05 level.
b Difference between estimate and 2011 estimate is statistically significant at the 0.01 level.
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.
6 Smokeless Tobacco includes chewing tobacco or snuff.
Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2010 and 2011.
ILLICIT DRUGS2,3 1,530 1,577 6.3 6.3 7.8 7.8 32.3 33.3
Marijuana and Hashish 1,274 1,375 5.2 5.5 5.9 6.3 37.3 38.7
Cocaine 156 146 0.6 0.6 0.6 0.6 65.2 64.0
Crack 14 19 0.1 0.1 0.1 0.1 * *
Heroin 23 38 0.1 0.2 0.1 0.2 * *
Hallucinogens 498 419 2.0a 1.7 2.1a 1.7 66.7 64.6
LSD 100 123 0.4 0.5 0.4 0.5 73.9 77.4
PCP 22 29 0.1 0.1 0.1 0.1 * *
Ecstasy 324 300 1.3 1.2 1.3 1.2 69.7 71.6
Inhalants 516 463 2.1 1.9 2.3 2.0 58.3 56.5
Nonmedical Use of Psychotherapeutics3,4 783 753 3.2 3.0 3.5 3.2 43.1 43.2
Pain Relievers 748 671 3.1 2.7 3.3 2.9 49.2 45.2
OxyContin® 159 145 0.7 0.6 0.7 0.6 67.8 66.4
Tranquilizers 237 298 1.0 1.2 1.0 1.2 50.9b 62.8
Stimulants3 190 169 0.8 0.7 0.8 0.7 60.5 59.2
Sedatives 65 54 0.3 0.2 0.3 0.2 * *
ILLICIT DRUGS OTHER THAN MARIJUANA2,3 1,102 1,016 4.5 4.1 5.2 4.6 40.0 39.6
CIGARETTES 1,205 1,165 4.9 4.7 5.9 5.5 34.8 35.5
Daily Cigarette Use5 286 268 1.2 1.1 1.2 1.1 -- --
SMOKELESS TOBACCO6 572 508 2.3 2.0 2.5 2.1 47.1 45.1
CIGARS 940 969 3.9 3.9 4.2 4.2 49.9 49.9
ALCOHOL 2,476 2,622 10.2 10.5 13.6 13.8 35.5a 37.8
120405
Table 4.7B – 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: Numbers in Thousands and Percentages, 2010 and 2011
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
2010 2011 2010 2011 2010 2011 2010 2011
*Low precision; no estimate reported.
-- Not available.
NOTE: Some 2010 estimates may differ from previously published estimates due to updates (see Section B.3 in Appendix B of the Results from the 2011 National Survey on Drug Use and Health: National Findings).
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.
a Difference between estimate and 2011 estimate is statistically significant at the 0.05 level.
b Difference between estimate and 2011 estimate is statistically significant at the 0.01 level.
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.
6 Smokeless Tobacco includes chewing tobacco or snuff.
Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2010 and 2011.
ILLICIT DRUGS2,3 995 1,137 2.9 3.3 6.4 7.2 8.3 9.4
Marijuana and Hashish 918 1,060 2.7 3.1 5.3 6.0 9.0 10.0
Cocaine 372a 467 1.1 1.4 1.2 1.5 23.4a 29.9
Crack 39 40 0.1 0.1 0.1 0.1 21.5 *
Heroin 83 100 0.2 0.3 0.2 0.3 39.1 43.6
Hallucinogens 691 644 2.0 1.9 2.4 2.2 28.3 27.7
LSD 261 222 0.8 0.6 0.8 0.7 47.5 37.8
PCP 24 18 0.1 0.1 0.1 0.1 * *
Ecstasy 543 501 1.6 1.5 1.8 1.6 36.2 35.5
Inhalants 225 220 0.7 0.6 0.7 0.7 37.8 43.9
Nonmedical Use of Psychotherapeutics3,4 882 919 2.6 2.7 3.5 3.5 18.2a 21.2
Pain Relievers 736 701 2.2 2.0 2.8 2.6 19.5 20.9
OxyContin® 241 190 0.7 0.6 0.7 0.6 32.0 30.3
Tranquilizers 507 442 1.5 1.3 1.7 1.4 28.1 28.4
Stimulants3 327 315 1.0 0.9 1.1 1.0 27.6 31.6
Sedatives 80 49 0.2 0.1 0.2 0.1 48.1 *
ILLICIT DRUGS OTHER THAN MARIJUANA2,3 1,018 1,040 3.0 3.0 4.5 4.4 15.9 17.4
CIGARETTES 1,120 1,156 3.3 3.4 8.0 8.0 7.6 8.0
Daily Cigarette Use5 599 525 1.8 1.5 2.4 2.1 -- --
SMOKELESS TOBACCO6 652 599 1.9 1.7 2.4 2.1 18.3 18.6
CIGARS 1,388 1,238 4.1 3.6 6.5a 5.6 17.9 16.4
ALCOHOL 2,008 1,971 5.9 5.7 29.1 26.7 7.5 7.5
120405
Table 4.8B – 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: Numbers in Thousands and Percentages, 2010 and 2011
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
2010 2011 2010 2011 2010 2011 2010 2011
*Low precision; no estimate reported.
-- Not available.
NOTE: Some 2010 estimates may differ from previously published estimates due to updates (see Section B.3 in Appendix B of the Results from the 2011 National Survey on Drug Use and Health: National Findings).
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.
a Difference between estimate and 2011 estimate is statistically significant at the 0.05 level.
b Difference between estimate and 2011 estimate is statistically significant at the 0.01 level.
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.
6 Smokeless Tobacco includes chewing tobacco or snuff.
Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2010 and 2011.
ILLICIT DRUGS2,3 457 368 0.2 0.2 0.4 0.4 2.1 1.7
Marijuana and Hashish 247 182 0.1 0.1 0.2 0.2 1.6 1.2
Cocaine 114 56 0.1 0.0 0.1 0.0 4.2 2.7
Crack 30 17 0.0 0.0 0.0 0.0 * *
Heroin 37 40 0.0 0.0 0.0 0.0 * *
Hallucinogens 51 75 0.0 0.0 0.0 0.0 3.8 6.8
LSD 20 13 0.0 0.0 0.0 0.0 * *
PCP * * * * * * * *
Ecstasy 82 120 0.0 0.1 0.0 0.1 11.9 *
Inhalants 58 37 0.0 0.0 0.0 0.0 * *
Nonmedical Use of Psychotherapeutics3,4 763 674 0.4 0.3 0.5 0.4 8.2 7.9
Pain Relievers 529 516 0.3 0.3 0.3 0.3 7.6 8.2
OxyContin® 200 147 0.1 0.1 0.1 0.1 22.4 18.9
Tranquilizers 499 464 0.3 0.2 0.3 0.3 15.1 15.1
Stimulants3 108 185 0.1 0.1 0.1 0.1 9.0 15.5
Sedatives 108 56 0.1 0.0 0.1 0.0 * *
ILLICIT DRUGS OTHER THAN MARIJUANA2,3 547 497 0.3 0.3 0.4 0.4 4.8 4.8
CIGARETTES 78 73 0.0 0.0 0.1 0.1 0.2 0.1
Daily Cigarette Use5 77 85 0.0 0.0 0.1 0.1 -- --
SMOKELESS TOBACCO6 202 190 0.1 0.1 0.1 0.1 2.7 2.6
CIGARS 622 593 0.3 0.3 0.5 0.5 3.8 3.8
ALCOHOL 191 106 0.1 0.1 0.8 0.4 0.1 0.1
120404
Table 4.9A – Past Year Initiation of Substance Use among Persons Aged 12 or Older, by Gender: Numbers in Thousands, 2010 and 2011
Substance Total
(2010)		 Total
(2011)		 Male
(2010)		 Male
(2011)		 Female
(2010)		 Female
(2011)
*Low precision; no estimate reported.
NOTE: Some 2010 estimates may differ from previously published estimates due to updates (see Section B.3 in Appendix B of the Results from the 2011 National Survey on Drug Use and Health: National Findings).
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.
a Difference between estimate and 2011 estimate is statistically significant at the 0.05 level.
b Difference between estimate and 2011 estimate is statistically significant at the 0.01 level.
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.
5 Smokeless Tobacco includes chewing tobacco or snuff.
Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2010 and 2011.
ILLICIT DRUGS1,2 2,982 3,083 1,426 1,362 1,556 1,721
Marijuana and Hashish 2,439 2,617 1,230 1,263 1,209 1,354
Cocaine 642 670 395 379 247 290
Crack 83 76 32 42 51 33
Heroin 142 178 84 95 58 83
Hallucinogens 1,240 1,137 695 611 545 526
LSD 381 358 219 212 162 146
PCP 46 48 26 28 20 19
Ecstasy 949 922 490 446 459 476
Inhalants 800 719 385 364 414 356
Nonmedical Use of Psychotherapeutics2,3 2,428 2,346 1,122a 908 1,306 1,437
Pain Relievers 2,013 1,888 970b 749 1,043 1,139
OxyContin® 600 483 316 254 284 228
Tranquilizers 1,244 1,204 497 460 747 744
Stimulants2 626 670 282 292 344 378
Sedatives 253 159 115 54 138 105
ILLICIT DRUGS OTHER THAN MARIJUANA1,2 2,667 2,553 1,253 1,093 1,413 1,460
CIGARETTES 2,403 2,394 1,220 1,181 1,182 1,213
Daily Cigarette Use4 962 878 529 468 433 410
SMOKELESS TOBACCO5 1,425 1,297 1,073 1,006 353 291
CIGARS 2,950 2,800 1,540 1,654 1,409a 1,146
ALCOHOL 4,675 4,699 2,321 2,293 2,353 2,406
120404
Table 4.10A – Past Year Initiation of Substance Use among Persons Aged 12 or Older Who Initiated Use Prior to the Age of 18, by Gender: Numbers in Thousands, 2010 and 2011
Substance Total
(2010)		 Total
(2011)		 Male
(2010)		 Male
(2011)		 Female
(2010)		 Female
(2011)
*Low precision; no estimate reported.
NOTE: Some 2010 estimates may differ from previously published estimates due to updates (see Section B.3 in Appendix B of the Results from the 2011 National Survey on Drug Use and Health: National Findings).
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.
a Difference between estimate and 2011 estimate is statistically significant at the 0.05 level.
b Difference between estimate and 2011 estimate is statistically significant at the 0.01 level.
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.
5 Smokeless Tobacco includes chewing tobacco or snuff.
Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2010 and 2011.
ILLICIT DRUGS1,2 1,702 1,712 851 817 851 896
Marijuana and Hashish 1,426 1,510 739 777 687 734
Cocaine 182 170 91 85 91 85
Crack 23 20 8 9 15 11
Heroin 35 42 14 21 21 20
Hallucinogens 569 498 302 271 267 227
LSD 117 137 62 78 56 59
PCP 23 29 8 13 15 16
Ecstasy 382 357 171 180 211 177
Inhalants 545 483 244 217 302 266
Nonmedical Use of Psychotherapeutics2,3 888 840 415 373 473 468
Pain Relievers 835 757 401 342 433 414
OxyContin® 193 169 105 73 88 96
Tranquilizers 276 324 110 149 166 175
Stimulants2 227 185 91 77 136 109
Sedatives 69 55 24 15 45 40
ILLICIT DRUGS OTHER THAN MARIJUANA1,2 1,221 1,148 583 530 638 618
CIGARETTES 1,414 1,333 712 674 701 658
Daily Cigarette Use4 379 334 210 168 169 166
SMOKELESS TOBACCO5 659 567 504 437 154 129
CIGARS 1,087 1,113 630 665 457 448
ALCOHOL 2,753 2,874 1,324 1,424 1,429 1,451
120404
Table 4.11A – Past Year Initiation of Substance Use among Persons Aged 12 or Older Who Initiated Use Prior to the Age of 21, by Gender: Numbers in Thousands, 2010 and 2011
Substance Total
(2010)		 Total
(2011)		 Male
(2010)		 Male
(2011)		 Female
(2010)		 Female
(2011)
*Low precision; no estimate reported.
NOTE: Some 2010 estimates may differ from previously published estimates due to updates (see Section B.3 in Appendix B of the Results from the 2011 National Survey on Drug Use and Health: National Findings).
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.
a Difference between estimate and 2011 estimate is statistically significant at the 0.05 level.
b Difference between estimate and 2011 estimate is statistically significant at the 0.01 level.
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.
5 Smokeless Tobacco includes chewing tobacco or snuff.
Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2010 and 2011.
ILLICIT DRUGS1,2 2,302 2,429 1,157 1,163 1,144 1,266
Marijuana and Hashish 2,007 2,205 1,056 1,112 951a 1,093
Cocaine 379 457 224 276 155 181
Crack 37 41 16 22 21 20
Heroin 73 95 36 53 38 42
Hallucinogens 964 886 574a 471 391 415
LSD 261 258 162 159 99 99
PCP 42 31 24 13 17 18
Ecstasy 665 627 355 292 310 335
Inhalants 686 622 324 303 362 319
Nonmedical Use of Psychotherapeutics2,3 1,400 1,327 691 597 709 730
Pain Relievers 1,272 1,133 643a 516 629 617
OxyContin® 316 268 168 121 148 147
Tranquilizers 545 559 244 270 301 289
Stimulants2 423 372 210 175 212 197
Sedatives 110 79 42 27 68 52
ILLICIT DRUGS OTHER THAN MARIJUANA1,2 1,827 1,724 918 803 909 921
CIGARETTES 2,147 2,141 1,119 1,047 1,028 1,095
Daily Cigarette Use4 760 685 438 346 323 339
SMOKELESS TOBACCO5 1,037 936 793 732 244 204
CIGARS 2,003 1,930 1,147 1,140 856 790
ALCOHOL 3,847 3,897 1,899 1,924 1,948 1,973
120404
Table 4.12A – Past Year Initiation of Substance Use among Persons Aged 12 to 49, by Gender: Numbers in Thousands, 2010 and 2011
Substance Total
(2010)		 Total
(2011)		 Male
(2010)		 Male
(2011)		 Female
(2010)		 Female
(2011)
*Low precision; no estimate reported.
NOTE: Some 2010 estimates may differ from previously published estimates due to updates (see Section B.3 in Appendix B of the Results from the 2011 National Survey on Drug Use and Health: National Findings).
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.
a Difference between estimate and 2011 estimate is statistically significant at the 0.05 level.
b Difference between estimate and 2011 estimate is statistically significant at the 0.01 level.
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.
5 Smokeless Tobacco includes chewing tobacco or snuff.
Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2010 and 2011.
ILLICIT DRUGS1,2 2,891 2,985 1,392 1,362 1,499 1,623
Marijuana and Hashish 2,402 2,573 1,230 1,263 1,172 1,310
Cocaine 642 670 395 379 247 290
Crack 83 76 32 42 51 33
Heroin 142 178 84 95 58 83
Hallucinogens 1,240 1,137 695 611 545 526
LSD 381 358 219 212 162 146
PCP 46 48 26 28 20 19
Ecstasy 938 899 490 423 448 476
Inhalants 777 715 363 359 414 356
Nonmedical Use of Psychotherapeutics2,3 2,286 2,263 1,039 908 1,247 1,355
Pain Relievers 1,901 1,798 914a 747 988 1,052
OxyContin® 562 465 309 254 252 210
Tranquilizers 1,163 1,165 473 460 690 706
Stimulants2 626 659 282 292 344 367
Sedatives 204 139 88 54 116 84
ILLICIT DRUGS OTHER THAN MARIJUANA1,2 2,578 2,483 1,203 1,093 1,375 1,390
CIGARETTES 2,398 2,377 1,220 1,164 1,178 1,213
Daily Cigarette Use4 962 878 529 468 433 410
SMOKELESS TOBACCO5 1,394 1,290 1,042 999 353 291
CIGARS 2,791 2,547 1,502 1,444 1,289 1,104
ALCOHOL 4,578 4,683 2,232 2,293 2,346 2,391
120404
Table 4.13B – Mean Age at First Use among Past Year Initiates of Substance Use Aged 12 or Older, by Gender: 2010 and 2011
Substance Total
(2010)		 Total
(2011)		 Male
(2010)		 Male
(2011)		 Female
(2010)		 Female
(2011)
*Low precision; no estimate reported.
NOTE: Some 2010 estimates may differ from previously published estimates due to updates (see Section B.3 in Appendix B of the Results from the 2011 National Survey on Drug Use and Health: National Findings).
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.
a Difference between estimate and 2011 estimate is statistically significant at the 0.05 level.
b Difference between estimate and 2011 estimate is statistically significant at the 0.01 level.
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.
5 Smokeless Tobacco includes chewing tobacco or snuff.
Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2010 and 2011.
ILLICIT DRUGS1,2 20.6 19.6 19.1 17.4 21.9 21.4
Marijuana and Hashish 19.2 18.5 17.9 17.3 20.6 19.7
Cocaine 21.2 20.1 21.6 19.7 20.5 20.6
Crack 24.8 20.8 22.8 20.6 26.1 21.0
Heroin 21.4 22.1 22.4 22.9 19.9 21.2
Hallucinogens 18.3 18.7 18.3 19.0 18.3 18.4
LSD 19.0 18.6 18.7 18.7 19.4 18.5
PCP 17.6 17.8 18.1 18.9 16.9 16.2
Ecstasy 19.8 20.4 19.6 21.1 20.0 19.7
Inhalants 17.2 16.6 18.3 17.6 16.3 15.7
Nonmedical Use of Psychotherapeutics2,3 24.5 23.5 24.1a 20.8 24.8 25.3
Pain Relievers 22.9 23.4 22.5 20.5 23.2 25.3
OxyContin® 24.8 23.9 23.3 24.2 26.5 23.5
Tranquilizers 26.7 25.6 24.6 22.7 28.1 27.3
Stimulants2 21.2 22.7 20.1 21.2 22.1 23.8
Sedatives 30.9 25.5 34.1 20.4 28.2 28.2
ILLICIT DRUGS OTHER THAN MARIJUANA1,2 21.6 21.0 20.8 19.1 22.3 22.5
CIGARETTES 17.4 17.4 17.1 17.6 17.7 17.2
Daily Cigarette Use4 19.1 19.1 18.6 19.2 19.8 19.0
SMOKELESS TOBACCO5 20.4 20.1 20.6 20.4 19.9 18.9
CIGARS 22.4 23.0 20.6 23.8 24.5 21.9
ALCOHOL 18.0 17.3 18.7 16.9 17.4 17.6
120404
Table 4.14B – 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 and 2011
Substance Total
(2010)		 Total
(2011)		 Male
(2010)		 Male
(2011)		 Female
(2010)		 Female
(2011)
*Low precision; no estimate reported.
NOTE: Some 2010 estimates may differ from previously published estimates due to updates (see Section B.3 in Appendix B of the Results from the 2011 National Survey on Drug Use and Health: National Findings).
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.
a Difference between estimate and 2011 estimate is statistically significant at the 0.05 level.
b Difference between estimate and 2011 estimate is statistically significant at the 0.01 level.
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.
5 Smokeless Tobacco includes chewing tobacco or snuff.
Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2010 and 2011.
ILLICIT DRUGS1,2 14.9 14.9 15.0 15.0 14.8 14.8
Marijuana and Hashish 15.2 15.1 15.2 15.2 15.2 15.0
Cocaine 15.7 15.8 15.9 15.9 15.5 15.7
Crack 16.1 15.9 * 16.2 16.2 15.7
Heroin 15.3 15.1 * 15.9 15.3 14.1
Hallucinogens 15.5a 15.7 15.6a 15.9 15.4 15.5
LSD 15.5 15.7 15.4 15.9 15.6 15.3
PCP 15.2 14.9 15.7 15.1 14.9 14.7
Ecstasy 15.6 15.8 15.6a 16.0 15.6 15.6
Inhalants 14.1 14.3 14.2 14.5 13.9 14.1
Nonmedical Use of Psychotherapeutics2,3 15.2 15.2 15.4 15.5 15.0 15.0
Pain Relievers 15.2 15.3 15.4 15.5 15.0 15.0
OxyContin® 15.6 15.5 15.8 15.5 15.4 15.5
Tranquilizers 15.6 15.4 15.8 15.5 15.4 15.2
Stimulants2 15.5a 15.1 15.7 15.5 15.4a 14.8
Sedatives 14.8 15.0 14.8 15.5 14.8 14.7
ILLICIT DRUGS OTHER THAN MARIJUANA1,2 14.8 15.0 15.1 15.2 14.6 14.8
CIGARETTES 15.1 15.1 15.2 15.1 15.1 15.1
Daily Cigarette Use4 15.7 15.8 15.8 15.9 15.5 15.6
SMOKELESS TOBACCO5 15.2 15.3 15.2 15.2 15.3 15.6
CIGARS 15.4 15.4 15.4 15.4 15.3 15.5
ALCOHOL 15.0 15.0 15.1 15.1 14.9 14.9
120404
Table 4.15B – 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 and 2011
Substance Total
(2010)		 Total
(2011)		 Male
(2010)		 Male
(2011)		 Female
(2010)		 Female
(2011)
*Low precision; no estimate reported.
NOTE: Some 2010 estimates may differ from previously published estimates due to updates (see Section B.3 in Appendix B of the Results from the 2011 National Survey on Drug Use and Health: National Findings).
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.
a Difference between estimate and 2011 estimate is statistically significant at the 0.05 level.
b Difference between estimate and 2011 estimate is statistically significant at the 0.01 level.
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.
5 Smokeless Tobacco includes chewing tobacco or snuff.
Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2010 and 2011.
ILLICIT DRUGS1,2 15.9 16.0 15.9 16.1 15.8 15.9
Marijuana and Hashish 16.2 16.2 16.2 16.2 16.2 16.2
Cocaine 17.3a 17.8 17.6a 18.1 16.9 17.4
Crack 17.3 17.3 17.6 17.8 17.0 16.8
Heroin 17.0 17.2 17.4 17.7 16.6 16.5
Hallucinogens 16.8 17.1 17.1 17.2 16.5a 16.9
LSD 17.3 17.1 17.5 17.4 17.0 16.7
PCP 16.8b 15.1 17.8b 15.1 15.4 15.0
Ecstasy 17.0 17.1 17.3 17.2 16.6 17.0
Inhalants 15.1 15.3 15.4 15.7 14.8 14.9
Nonmedical Use of Psychotherapeutics2,3 16.5 16.5 16.8 16.7 16.3 16.4
Pain Relievers 16.5 16.4 16.7 16.6 16.2 16.3
OxyContin® 16.9 16.7 17.0 16.8 16.7 16.6
Tranquilizers 17.3a 16.8 17.6 17.1 17.0 16.6
Stimulants2 17.1 17.0 17.5 17.5 16.6 16.6
Sedatives 16.4 16.1 16.8 16.9 16.2 15.6
ILLICIT DRUGS OTHER THAN MARIJUANA1,2 16.2 16.3 16.4 16.4 15.9 16.2
CIGARETTES 16.3 16.4 16.4 16.3 16.2 16.5
Daily Cigarette Use4 17.2 17.2 17.3 17.3 17.1 17.1
SMOKELESS TOBACCO5 16.5 16.6 16.5 16.6 16.7 16.7
CIGARS 16.8 16.8 16.8 16.7 16.9 16.8
ALCOHOL 16.0 15.9 16.1 16.0 16.0 15.9
120404
Table 4.16B – Mean Age at First Use among Past Year Initiates of Substance Use Aged 12 to 49, by Gender: 2010 and 2011
Substance Total
(2010)		 Total
(2011)		 Male
(2010)		 Male
(2011)		 Female
(2010)		 Female
(2011)
*Low precision; no estimate reported.
NOTE: Some 2010 estimates may differ from previously published estimates due to updates (see Section B.3 in Appendix B of the Results from the 2011 National Survey on Drug Use and Health: National Findings).
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.
a Difference between estimate and 2011 estimate is statistically significant at the 0.05 level.
b Difference between estimate and 2011 estimate is statistically significant at the 0.01 level.
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.
5 Smokeless Tobacco includes chewing tobacco or snuff.
Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2010 and 2011.
ILLICIT DRUGS1,2 19.1 18.1 18.1 17.4 20.0 18.8
Marijuana and Hashish 18.4 17.5 17.9 17.3 18.9 17.7
Cocaine 21.2 20.1 21.6 19.7 20.5 20.6
Crack 24.8 20.8 22.8 20.6 26.1 21.0
Heroin 21.4 22.1 22.4 22.9 19.9 21.2
Hallucinogens 18.3 18.7 18.3 19.0 18.3 18.4
LSD 19.0 18.6 18.7 18.7 19.4 18.5
PCP 17.6 17.8 18.1 18.9 16.9 16.2
Ecstasy 19.4 19.6 19.6 19.4 19.3 19.7
Inhalants 16.3 16.4 16.4 17.1 16.3 15.7
Nonmedical Use of Psychotherapeutics2,3 22.4 22.4 21.3 20.8 23.2 23.5
Pain Relievers 21.0 21.8 20.4 20.3 21.5 22.8
OxyContin® 22.8 22.8 22.5 24.2 23.2 21.1
Tranquilizers 24.6 24.6 23.2 22.7 25.6 25.8
Stimulants2 21.2 22.2 20.1 21.2 22.1 23.0
Sedatives 23.5 22.0 24.5 20.4 22.7 23.0
ILLICIT DRUGS OTHER THAN MARIJUANA1,2 20.2 20.1 19.1 19.1 21.2 20.9
CIGARETTES 17.3 17.2 17.1 17.1 17.5 17.2
Daily Cigarette Use4 19.1 19.1 18.6 19.2 19.8 19.0
SMOKELESS TOBACCO5 19.3 19.8 19.1 20.1 19.9 18.9
CIGARS 20.5 19.6 19.7 18.7 21.4 20.7
ALCOHOL 17.1 17.1 17.0 16.9 17.3 17.3

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