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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 2.

Stimulants used by lifetime nonmedical prescription stimulant users aged 12–34 years, stratified by race/ethnicity

Stimulants used Lifetime nonmedical prescription stimulant users aged 12–34 years
Unweighted N White
N=19,231		 Asian American
N=443		 Native Hawaiian/Pacific Islander
N=103		 Mixed-Race
N=1,026
Weighted proportion, column % % 95% CI % 95% CI % 95% CI % 95% CI
 Methamphetamine, Desoxyn, or Methedrine 39.15 37.76–40.55 44.79 36.91–52.94 60.64 39.36–78.52 41.07 34.71–47.75
 Amphetamines, Benzedrine®, Biphetamine®, Fastin®, or phentermine 20.51 19.69–21.35 13.74 9.69–19.13 12.27 6.78–21.20 24.90 19.29–31.50
 Ritalin® or methylphenidate 45.49 44.21–46.78 34.23 27.46–41.70 14.87 7.69–29.86 39.23 33.24–45.55
 Cylert® 0.75 0.60–0.94 0.38 0.09–1.56 0.65 0.15–2.81 1.16 0.45–2.96
 Dexedrine® 5.11 4.66–5.61 3.17 1.68–5.92 0.54 0.10–2.92 6.87 3.25–13.95
 Dextroamphetamine 3.36 3.04–3.71 2.70 1.37–5.26 0.16 0.02–1.16 4.02 2.36–6.76
 Didrex® 0.56 0.40–0.77 0.31 0.08–1.10 1.19 0.20–6.81 0.68 0.19–2.42
 Eskatrol® 0.31 0.22–0.43 0.44 0.11–1.77 0.16 0.02–1.16 0.18 0.04–0.72
 Ionamin® 0.37 0.26–0.54 0.71 0.24–2.13 0.16 0.02–1.16 0.31 0.11–0.92
 Mazanor® 0.17 0.13–0.24 0.43 0.08–2.31 0.16 0.02–1.16 0.72 0.17–2.90
 Obedrin-LA® 0.14 0.08–0.23 0 0.16 0.02–1.16 0.01 0.00–0.08
 Plegine® 0.22 0.14–0.35 0 0.16 0.02–1.16 0.70 0.16–2.89
 Preludin® 0.46 0.35–0.60 0.09 0.02–0.40 0.16 0.02–1.16 0.14 0.05–0.38
 Sanorex® 0.43 0.34–0.54 0.10 0.01–0.74 0.16 0.02–1.16 0.94 0.42–2.10
 Tenuate® 0.33 0.21–0.52 0 0.16 0.02–1.16 0.22 0.04–1.16
 Other stimulants 24.32 23.45–25.21 20.68 15.81–26.57 12.42 5.18–26.93 25.00 19.70–31.18
Number of prescription stimulant drug classes used, lifetime
 One 67.08 65.94–68.20 75.08 67.37–81.47 74.40 54.11–87.75 61.98 54.10–69.28
 Two or more stimulant classes 32.92 31.80–34.06 24.92 18.53–32.63 25.60 12.25–45.89 38.02 30.72–45.90

Note: The analysis is based on lifetime stimulant users who reported the types of stimulants ever used.

Because of a small number, results for Native Hawaiians/Pacific Islanders are considered preliminary.

CI: confidence interval. Bold face: The estimate differed from the estimate among Whites. Due to the sample size, results for Native Hawaiians/Pacific Islanders are considered preliminary.