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. Author manuscript; available in PMC: 2015 Dec 1.
Published in final edited form as: J Psychiatr Res. 2014 Sep 16;59:189–199. doi: 10.1016/j.jpsychires.2014.09.004

Table 5.

Adjusted odds ratios of past-year stimulant use disorder, stratified by race/ethnicity (Unweighted N=229,705)

Adjusted logistic regression1 White
N=203,759		 Asian American
N=12,335		 Native Hawaiian/Pacific Islander
N=1,729		 Mixed-Race
N=11,882
AOR and 95% confidence intervals AOR 95% CI AOR 95% CI AOR 95% CI AOR 95% CI
Age (vs. 12–17 years)
 18–25 0.81 0.64–1.02 0.58 0.12–2.85 1.30 1.19–1.43 0.87 0.40–1.91
 26–34 0.70 0.51–0.95 -------2 -------2 0.22 0.05–0.95
Sex (vs. female)
 Male 0.85 0.66–1.10 0.43 0.10–1.82 0.57 0.11–2.88 0.22 0.11–0.44
Household Income (vs. $75,000+)
 <$50,000 0.83 0.64–1.07 0.54 0.11–2.66 -------4 0.53 0.16–1.74
 $50,000–$74,999 0.73 0.51–1.05 1.82 0.43–7.62 -------4 0.45 0.12–1.73
Government assistance (vs. no)
 Yes 1.14 0.91–1.44 1.80 0.46–7.09 5.71 0.32–101.69 0.74 0.25–2.26
County type (vs. large metro)
 Small metro 1.00 0.79–1.27 1.03 0.28–3.75 0.80 0.05–12.66 3.46 1.05–11.44
 Nonmetro 0.96 0.67–1.36 -------3 -------3 0.78 0.14–4.41
Being arrested/booked (vs. no)
 Past-year 2.24 1.76–2.86 -------4 -------4 1.42 0.51–3.98
Major depressive episode (vs. no)
 Past-year 3.39 2.62–4.39 1.69 0.32–9.03 1.87 0.36–9.74 1.89 0.43–8.19
Tobacco use (vs. no)
 Past-year use 1.99 1.23–3.19 14.01 2.04–96.16 0.73 0.11–4.92 4.95 2.00–12.23
Alcohol use (vs. no)
 Past-year use 3.44 2.20–5.37 0.34 0.04–3.07 -------4 2.70 0.81–8.99
Marijuana use (vs. no)
 Past-year use 2.26 1.68–3.05 6.68 2.51–17.78 9.27 3.07–27.98 8.14 2.66–24.95
Nonmedical use of pain relievers, sedatives, tranquilizers (vs. no)
 Past-year use 10.81 8.13–14.37 6.21 1.44–26.78 ------- 6.82 1.39–33.57
Survey year (vs. 2005)
 2006 0.91 0.58–1.43 -------4 -------4 -------4
 2007 0.81 0.54–1.22 ------- ------- -------
 2008 0.93 0.59–1.45 ------- ------- -------
 2009 0.84 0.56–1.27 ------- ------- -------
 2010 0.87 0.54–1.40 ------- ------- -------
 2011 0.88 0.59–1.30 ------- ------- -------
 2012 1.47 1.09–1.99 ------- ------- -------

Note: AOR: adjusted odds ratio; CI: confidence interval. Because of a small number, results for Native Hawaiians/Pacific Islanders are considered preliminary.

1

Each adjusted logistic regression included all variables listed in the first column.

2

Two older age groups (18–25, 26–34) were combined for Asian-Americans due to a small cell size; age was included as a continuous variable for native Hawaiians/Pacific Islanders due to a small cell size.

3

The two groups (small metro, nonmetro) were combined due to a small cell size.

4

The variables were not included in the model due to a small cell size. Due to the sample size, results for Native Hawaiians/Pacific Islanders are considered preliminary.