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. Author manuscript; available in PMC: 2010 Aug 20.
Published in final edited form as: Subst Use Misuse. 2008;43(10):1395–1410. doi: 10.1080/10826080801922744

Table 2.

Weighted prevalence of hazardous substance use in the last 3 months by subgroup (N = 2,608)

Subgroups Tobacco
Alcohol
Other drugs
Prevalence 95% CI Prevalence 95% CI Prevalence 95% CI
Age-group
 18–24 32.1 [24.0,41.4] 16.7 [13.9,19.9] 8.4 [6.1,11.4]
 Over 24 27.7 [20.5,36.3] 12.2 [10.5,14.2] 2.9 [2.1,4.1]
Gender
 Male 43.1 [37.9,48.3] 26.5 [23.4,29.9] 7.4 [5.3,10.2]
 Female 19.5 [10.7,32.9] 4.6 [3.2,6.5] 1.1 [0.5,2.4]
Race3
 Black 19.7 [15.8,24.4] 12.3 [10.6,14.2] 2.5 [2.0,3.1]
 Colored 40.6 [36.5,44.8] 12.9 [9.6,17.1] 4.9 [2.8,8.4]
Marital status
 Unmarried 27.2 [19.6,36.3] 13.4 [10.9,16.3] 4.3 [3.0,6.1]
 Married 29.3 [22.6,37.0] 11.6 [10.3,13.2] 2.3 [1.5,3.5]
Has children
 No 28.8 [22.6,36.0] 24.5 [16.3,35.1] 8.1 [5.2,12.4]
 Yes 28.0 [20.5,36.9] 10.1 [7.1,14.2] 2.4 [1.3, 4.4]
Employment status
 Unemployed 25.7 [16.7,37.3] 9.8 [8.0,12.0] 2.6 [1.8,3.6]
 Employed 33.9 [28.0,40.4] 19.2 [14.5,25.0] 5.4 [4.0,7.3]
Education status
 None/elementary only 26.7 [18.3,37.3] 9.13 [6.4,12.9] 2.3 [0.8,6.8]
 Some high school 31.3 [25.1,38.4] 15.3 [13.1,17.9] 4.4 [3.0,6.3]
 Graduated high school or more 16.0 [9.6,25.4] 11.2 [7.2,17.0] 2.4 [1.4,4.1]
SES
 0 40.0 [9.8,80.4] 38.1 [17.3,64.4] 7.7 [1.7,29.0]
 1 14.8 [8.3,25.2] 5.4 [2.5,11.3] 0.8 [0.2, 2.3]
 2 25.8 [17.5,36.1] 20.8 [10.2,37.8] 6.3 [3.1,12.6]
 3 29.5 [22.7,37.4] 11.3 [8.8,14.4] 3.1 [2.2,4.5]
Head of household employed
 No 25.0 [14.4,39.7] 8.7 [5.8,12.9] 1.7 [0.6, 5.0]
 Yes 31.6 [27.0,36.6] 17.6 [13.2,23.1] 5.5 [3.6,8.4]
Religious involvement
 No 30.3 [21.4,41.1] 17.9 [14.6,21.7] 4.8 [3.5,6.4]
 Yes 25.8 [20.0,32.5] 7.1 [5.3,9.5] 2.0 [1.1,3.5]
Stressors
 0–5 26.1 [20.5,32.6] 11.2 [9.6,13.1] 2.7 [1.9,4.0]
 6–10 32.5 [22.1,45.0] 13.6 [9.8,18.6] 4.4 [3.0,6.4]
 >10 28.9 [20.2,39.4] 17.7 [8.8,32.3] 5.0 [2.2,11.0]
Depression or Anxiety
 No 24.4 [21.6,27.5] 11.2 [7.6,16.1] 1.4 [0.5,3.9]
 Yes 30.9 [21.5,42.1] 13.7 [10.8,17.3] 4.6 [3.5,6.0]
1

Results for White and Indian participants were omitted from the race analysis, because the numbers of participants were too small to estimate prevalence accurately. All participants are included in the gender and age analyses.