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. 2015 Dec 30;18(6):1456–1462. doi: 10.1093/ntr/ntv287

Table 1.

Sample Demographics and Description for Overall Sample, Nonsmokers, and Daily Smokers

Overall sample (N = 29 971) Nonsmokersa (N = 22 529) Daily smokersb (N = 7442)
Mean age (SD) 45.37 (16.91) 46.47 (17.48) 42.03 (14.55)
Sex
 Male 44.6% 41.3% 54.5%
 Female 55.4% 58.7% 45.5%
Education
 Less than high school 14.4% 12.8% 19.1%
 High school 29.1% 26.6% 36.5%
 Some college + 56.6% 60.6% 44.4%
Race
 White 72.3% 70.4% 78.2%
 African American 10.9% 11.3% 9.7%
 Native American 2.1% 1.7% 3.4%
 Asian 4.1% 4.8% 2.0%
 Hispanic 10.5% 11.8% 6.7%
Mood disorder past year 8.9% 7.2% 14.0%
Manic episode past year 3.2% 2.4% 5.6%
Anxiety disorder past year 12.1% 10.5% 16.7%
Alcohol dependence past year 3.2% 1.7% 7.9%
Substance dependence past year 0.6% 0.1% 1.8%
Self-directed violence (between waves)c 0.6% 0.4% 1.2%
Victimization (between waves)d 2.3% 1.6% 4.2%
Other-directed violence (between waves)e 2.4% 1.4% 5.2%

Demographic measures, psychiatric and substance use diagnoses, and violence outcomes all differed significantly (P < .05) between daily smokers and nonsmokers.

aNonsmokers included former daily smokers (no smoking within 12 months of Wave 1) and never-smokers.

bDaily smokers reported smoking daily in the past 12 months prior to Wave 1.

cSelf-directed violence refers to suicide attempts.

dVictimization includes having been threatened, physically attacked, raped, or mugged.

eOther-directed violence includes threatening, physical violence against others including sexual violence, committing robbery or mugging, and using weaponry against others