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2005 National Survey on Drug Use & Health:  Detailed Tables

60623

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

60623

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

60623

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

60623

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

60623

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

60623

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

60623

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

60623

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

60623

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

60623

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

60623

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

60623

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

60623

Table  4.7D Past Year Initiation of Substance Use among Persons Aged 18 to 25, Persons Aged 18 to 25 At Risk for Initiation of Substance Use, and Past Year Substance Users Aged 18 to 25: Standard Errors of Numbers in Thousands and Standard Errors of Percentages, 2004 and 2005
Substance NUMBER OF PAST YEAR INITIATES (1,000s)1 PERCENTAGE OF PAST YEAR INITIATES AMONG TOTAL POPULATION1 PERCENTAGE OF PAST YEAR INITIATES AMONG PERSONS AT RISK FOR INITIATION1,2 PERCENTAGE OF PAST YEAR INITIATES AMONG PAST YEAR USERS1
2004 2005 2004 2005 2004 2005 2004 2005
ILLICIT DRUGS3 41   47   0.13   0.14   0.29   0.33   0.38   0.41  
     Marijuana and Hashish 45   45   0.14   0.14   0.28   0.28   0.49   0.48  
     Cocaine 41   35   0.13   0.11   0.15   0.13   1.57   1.40  
          Crack 17   21   0.05   0.06   0.06   0.07   4.59   4.42  
     Heroin 10   13   0.03   0.04   0.03   0.04   *   *  
     Hallucinogens 32   32   0.10   0.10   0.13   0.12   1.51   1.40  
          LSD 16   16   0.05   0.05   0.06   0.06   4.10   4.04  
          PCP 14   6   0.04   0.02   0.04   0.02   *   *  
          Ecstasy 25   28   0.08   0.08   0.09   0.10   2.15   2.23  
     Inhalants 23   24   0.07   0.08   0.08   0.09   2.78   2.89  
     Nonmedical Use of
        Psychotherapeutics4
46   43   0.14   0.13   0.20   0.18   0.87   0.81  
          Pain Relievers 43   43   0.13   0.13   0.17   0.17   1.00   0.96  
               OxyContin® 26   23   0.08   0.07   0.09   0.08   3.33   3.12  
          Tranquilizers 31   35   0.10   0.11   0.11   0.12   1.58   1.64  
          Stimulants 30   29   0.09   0.09   0.10   0.10   2.00   2.20  
               Methamphetamine 19   14   0.06   0.04   0.06   0.05   3.14   2.73  
          Sedatives 11   14   0.03   0.04   0.04   0.04   5.44   5.47  
ILLICIT DRUGS OTHER THAN MARIJUANA3 45   44   0.14   0.14   0.22   0.21   0.67   0.67  
CIGARETTES 46   46   0.14   0.14   0.40   0.38   0.30   0.30  
     Daily Cigarette Use5 36   33   0.11   0.10   0.17   0.15   --   --  
SMOKELESS TOBACCO 28   34   0.09   0.11   0.11   0.13   1.00   1.12  
CIGARS 54   58   0.17   0.18   0.28   0.29   0.6