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. Author manuscript; available in PMC: 2016 Sep 1.
Published in final edited form as: Am J Prev Med. 2015 Jun 10;49(3):362–369. doi: 10.1016/j.amepre.2015.01.016

Table 1.

Participant Characteristics (N=80,126)

Better mental health Poor mental health

% 95% CI % 95% CI
Smoker status (%)
 Current, daily 11.10 10.77 - 11.43 23.80 22.43 - 25.16
 Current, intermittent 4.99 4.75 - 5.24 7.69 6.68 - 8.69
 Former smoker 25.39 24.97 - 25.82 24.07 22.86 - 25.28
 Never smoker 58.51 58.01 - 59.02 44.44 42.88 - 46.01
Age (%)
 18-24 10.41 9.95 - 10.87 12.25 10.90 - 13.59
 25-34 17.13 16.70 - 17.54 17.38 16.00 - 18.76
 35-44 21.50 21.08 - 21.91 22.25 20.96 - 23.53
 45-54 18.97 18.59 - 19.35 22.47 21.26 - 23.69
 55-64 13.74 13.42 - 14.05 13.77 12.88 - 14.66
 65+ 18.25 17.92 - 18.58 11.89 11.12 - 12.65
Gender (%)
 Male 49.01 48.49 - 49.53 40.08 38.47 - 41.69
 Female 50.99 50.48 - 51.51 59.92 58.31 - 61.53
Race/Ethnicity (%)
 White only/ non-Hispanic 65.08 64.57 - 65.60 62.02 60.43 - 63.62
 Black only/ non-Hispanic 11.09 10.75 - 11.43 12.94 11.94 - 13.94
 Hispanic 14.83 14.42 - 15.24 18.82 17.36 - 20.29
 Other race 8.99 8.65 - 9.34 6.22 5.44 - 6.99
Education (%)
 Did not graduate high school 8.52 8.21 - 8.83 13.87 12.56 - 15.18
 Graduated high school 27.06 26.60 - 27.53 32.84 31.36 - 34.32
 Some college 23.38 22.93 - 23.83 27.21 25.86 - 28.55
 College graduate 41.04 40.54 - 41.54 26.09 24.81 - 27.36
Income (%)
 < $10,000 2.75 2.57 - 2.94 7.60 6.51 - 8.69
 < $15,000 3.71 3.47 - 3.95 6.27 5.54 - 6.99
 < $20,000 5.86 5.59 - 6.14 10.06 8.98 - 11.14
 < $25,000 7.63 7.32 - 7.95 11.54 10.43 - 12.65
 < $35,000 9.54 9.23 - 9.85 10.59 9.62 - 11.55
 < $50,000 13.32 12.94 - 13.71 14.10 12.91 - 15.30
 < $75,000 16.46 16.04 - 16.88 14.36 13.23 - 15.49
 $75,000 or more 40.71 40.17 - 41.25 25.49 24.06 - 26.92