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Table 1 Descriptive Statistics (n = 9872)

From: Are adolescents with high socioeconomic status more likely to engage in alcohol and illicit drug use in early adulthood?

Variable Mean St. Error
Baseline Variables, Wave I   
Household income, in $1000s, range: 0-999 (topcoded) 46.07 1.70
Highest educated resident parent has less than high school education 9.40% 1.05%
...high school education 25.82% 1.14%
...more than high school education 31.26% 0.97%
...college graduate and beyond 33.53% 1.85%
Binge Drinking, Wave I 16.98% 0.87%
Marijuana Use, Wave I 13.70% 0.80%
Cocaine Use, Wave I 1.10% 0.16%
Inhalant Use, Wave I 1.76% 0.20%
Other Drug Use, Wave I 4.05% 0.39%
CES-D Score, Wave I 11.19 0.16
Delinquency Scale, Wave I 1.59 0.04
Suicidality, Wave I 3.91% 0.29%
Verbal Ability (PPVT) 101.71 0.57
Age at Wave I 15.78 0.12
Male 50.84% 0.76%
White, non-Hispanic 69.02% 2.74%
Black, non Hispanic 13.28% 1.91%
Hispanic 10.63% 1.57%
Asian, non-Hispanic 2.59% 0.63%
Other/multi race 4.48% 0.45%
Excellent general health 27.98% 0.66%
Very good general health 40.52% 0.84%
Good general health 24.93% 0.65%
Fair/poor general health 6.57% 0.45%
Single parent household 25.40% 1.09%
Two biological parent household 58.00% 1.26%
Stepfamily 10.07% 0.47%
Foster/other household 6.56% 0.40%
Biological parent alcoholism 16.05% 0.72%
Firstborn 52.19% 0.97%
Outcome Variables, Wave III   
Binge Drinking 24.73% 1.04%
Marijuana Use 23.98% 0.80%
Cocaine Use 3.69% 0.30%
Crystal Methamphetamine Use 1.46% 0.18%
Other Drug Use 5.34% 0.38%
  1. Descriptive statistics are weighted, cluster and strata corrected.