Table 1.
Past-year prevalence (percentage) of alcohol and drug abuse or dependence among young adults ages 18 to 22 in the 2002 National Survey on Drug Use and Healtha
| Abuse |
Dependence |
Abuse or dependence |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Group | Prev- alence |
χ2 | df | pb | Prev- lence |
χ2 | df | pb | Prev- lence |
χ2 | df | pb |
| Alcohol use disorderc | ||||||||||||
| Overall prevalence | 11.3 | 7.4 | 18.7 | |||||||||
| Full-time college students | 12.5 | 8.9 | 3 | .031 | 8.1 | 41.5 | 3 | <.001 | 20.6 | 41.5 | 3 | <.001 |
| Part-time college students | 9.9 | 4.9 | 14.8 | |||||||||
| Noncollege students | 9.1 | 3.1 | 12.2 | |||||||||
| Nonstudents | 11.0 | 8.2 | 19.2 | |||||||||
| Any drug use disorderd | ||||||||||||
| Overall prevalence | 2.9 | 6.1 | 9.0 | |||||||||
| Full-time college students | 2.3 | 9.8 | 3 | .021 | 5.6 | 6.3 | 3 | ns | 7.9 | 10.3 | 3 | .017 |
| Part-time college students | 2.2 | 5.8 | 8.1 | |||||||||
| Noncollege students | 3.4 | 5.0 | 8.5 | |||||||||
| Nonstudents | 3.5 | 6.8 | 10.2 | |||||||||
a
Unweighted sample of 11,333; four respondents with unknown educational status were not included in the analysis. All prevalence rates are weighted estimates.
b
Because sample sizes were large, p values less than .01 were considered significant.
c
Sample sizes were 1,334 for abuse, 877 for dependence, and 2,211 for abuse or dependence.
d
Sample sizes were 350 for abuse, 702 for dependence, and 1,052 for abuse or dependence.