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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 3.

Racial/ethnic differences in past-year nonmedical stimulant use and stimulant use disorder in the sample and past-year stimulant use disorder among past-year stimulant users (Unweighted N=229,705)

Adjusted logistic regression Nonmedical stimulant use1 Stimulant use disorder1 Stimulant use disorder among stimulant users1
Adjusted odds ratios AOR 95% CI AOR 95% CI AOR 95% CI
Race/ethnicity (vs. White)
 Asian American 0.73 0.55–0.97 1.03 0.57–1.85 1.48 0.76–2.89
 Native Hawaiian/Pacific Islander 1.33 0.53–3.35 0.81 0.28–2.37 0.73 0.22–2.45
 Mixed-Race 0.85 0.65–1.12 0.68 0.46–0.99 0.83 0.50–1.38
Age (vs. 12–17 years)
 18–25 1.14 1.05–1.23 0.81 0.65–1.01 0.74 0.57–0.94
 26–34 0.81 0.71–0.92 0.68 0.50–0.93 0.80 0.56–1.13
Sex (vs. female)
 Male 0.78 0.72–0.84 0.81 0.64–1.04 0.96 0.76–1.22
Household Income (vs. $75,000+)
 <$50,000 1.05 0.95–1.16 0.82 0.63–1.05 0.82 0.62–1.09
 $50,000–$74,999 0.88 0.77–1.00 0.75 0.53–1.07 0.85 0.56–1.29
Government assistance (vs. no)
 Yes 1.01 0.91–1.12 1.15 0.91–1.45 1.17 0.90–1.51
County type (vs. large metro)
 Small metro 0.99 0.91–1.08 1.02 0.81–1.29 1.07 0.83–1.38
 Nonmetro 1.02 0.87–1.19 0.95 0.67–1.34 0.97 0.69–1.38
Being arrested/booked (vs. no)
 Past-year 1.63 1.43–1.85 2.31 1.83–2.92 1.65 1.31–2.08
Major depressive episode (vs. no)
 Past-year 1.59 1.46–1.73 3.30 2.57–4.25 2.53 1.93–3.32
Tobacco use (vs. no)
 Past-year use 2.08 1.81–2.39 2.11 1.33–3.35 1.14 0.71–1.83
Alcohol use (vs. no)
 Past-year use 2.88 2.41–3.43 2.89 1.82–4.58 1.06 0.66–1.70
Marijuana use (vs. no)
 Past-year use 3.78 3.34–4.27 2.36 1.77–3.14 0.82 0.61–1.10
Nonmedical use of pain relievers, sedatives, or tranquilizers (vs. no)
 Past-year use 5.42 5.02–5.86 10.53 8.02–13.81 2.27 1.75–2.94
Survey year (vs. 2005)
 2006 1.21 1.04–1.41 0.96 0.62–1.48 0.86 0.54–1.38
 2007 0.97 0.82–1.14 0.85 0.57–1.29 0.94 0.59–1.51
 2008 1.02 0.85–1.21 0.92 0.60–1.43 0.97 0.61–1.55
 2009 0.90 0.77–1.05 0.88 0.58–1.32 1.04 0.65–1.65
 2010 0.95 0.83–1.08 0.88 0.55–1.38 0.98 0.60–1.59
 2011 0.88 0.75–1.04 0.85 0.58–1.25 1.00 0.65–1.54
 2012 1.17 1.01–1.35 1.46 1.08–1.96 1.38 0.96–2.00

Note: AOR: adjusted odds ratio; CI: confidence interval.

1

Each adjusted logistic regression included all variables listed in the first column. Due to the sample size, results for Native Hawaiians/Pacific Islanders are considered preliminary.