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. Author manuscript; available in PMC: 2015 Aug 26.
Published in final edited form as: Drug Alcohol Depend. 2014 Mar 12;139:18–25. doi: 10.1016/j.drugalcdep.2014.02.702

Table 1. Sample Description (n=350).

Sample characteristics (self-reported) % or mean (st.dev.)
Background
 Male 56.3
 Race/ethnicity
  African-American 16.6
  Hispanic 29.7
  Non-Hispanic White 47.1
  Other/multi-ethnic 6.6
 Less than high school education 32.0
 Parental alcohol and/or drug use 56.0
 Sexual abuse before age 15 33.1
 Ever diagnosed with major mental illness 19.1
 Employment--% of months during 2 years prior to index treatment 29.9 (37.8)
Drug use history
 1st MA use younger than 16 30.0
 Ever sold MA 55.4
 MA-related problems (% with all 3: paranoia, hallucinations, violent behavior) 38.0
 MA use severity (avg. number of days per mo. with MA use in 2 years prior to index tx) 15.7 (10.3)
 Ever injected drugs 46.6
Index treatment (tx) characteristics
 Legal pressure to enter tx 51.4
 Age at admission 29.4 (6.9)
 Residential tx (vs. outpatient) 62.0
 No. months in tx 3.7 (3.2)
Post-treatment characteristics
 Any self-help and/or other treatment participation 38.3