TABLE 2

The Prevalence of Current Cannabis Use and aRD Associated With Current Smoking Among Adult Parents With Children in the Home, Stratified by Demographic Characteristics, NSDUH 2002–2015

Unadjusted Prevalence of Current Cannabis UseaRDa (%)Difference in Differences Pb
Current Smokers (N = 49 880)Current Nonsmokers (N = 119 379)
% (SE)% (SE)
Overall13.1 (0.2)2.6 (0.1)7.9
Sex
 Male15.5 (0.4)3.5 (0.1)10.2Ref
 Female11.0 (0.3)1.9 (0.1)6.3<.0001
Age
 18–2520.4 (0.4)5.2 (0.2)11.2<.0001
 26–3415.4 (0.5)3.0 (0.1)9.6<.0001
 35–4910.5 (0.3)2.3 (0.1)7.2<.0001
 50+7.0 (0.8)2.2 (0.2)3.8Ref
Marital status
 Married10.5 (0.3)2.1 (0.1)7.1Ref
 Widowed, divorced, or separated12.5 (0.6)3.1 (0.2)9.0.003
 Never married20.8 (0.5)5.8 (0.2)11.4<.0001
Education
 Less than high school14.7 (0.5)2.6 (0.2)8.1.10
 High school graduate13.0 (0.4)3.1 (0.1)7.5.02
 Some college12.5 (0.4)3.0 (0.1)7.8.03
 College graduate or more11.5 (0.7)2.0 (0.1)9.4Ref
Income
 ≤$20 00015.5 (0.4)3.2 (0.2)8.3.15
 $20–49 99913.5 (0.4)3.0 (0.1)7.9.41
 $50–74 99912.0 (0.6)2.4 (0.2)8.3.26
 ≥$75 00010.6 (0.5)2.3 (0.1)7.4Ref
Race
 White12.8 (0.3)2.9 (0.1)8.1Ref
 African American18.9 (0.7)3.8 (0.2)10.4.0004
 Hispanic9.7 (0.5)1.6 (0.1)5.6<.0001
 Other12.6 (0.9)1.2 (0.1)8.8.35
  • Ref, reference; —, not applicable.

  • a All models adjusted for other covariates in the table and year (categorical). All aRDs shown were different from 0 with P < .0001.

  • b Test for the difference in aRDs between strata.