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. Author manuscript; available in PMC: 2017 Oct 1.
Published in final edited form as: Exp Clin Psychopharmacol. 2016 Oct;24(5):390–399. doi: 10.1037/pha0000091

Table 1.

Participant Demographic Characteristics and Drug Use History

n %
 Total 22 100 %
Sex
 Male 13 59.1 %
 Female 9 40.9 %
Racial Background1
 Black/African American 15 68.2 %
 White/Caucasian 4 18.2 %
 More than one race2 2 9.1 %
 American Indian/Alaska Native 1 4.5 %
Tobacco Smoking Status
 Smoker 19 86.4 %
 Non-Smoker 3 13.6 %
Met DSM-IV Substance Use Criteria (Lifetime)3
 Opioids 21 95.5 %
 Cocaine 16 72.7 %
 Cannabis4 14 63.6 %
 Alcohol 12 54.5 %
 Sedative/hypnotic 7 31.8 %
Mean SD

 Age (years) 41.4 9.4
 Education (years) 11.5 1.8
 Monthly Income $487.36 $568.17
 HIV Risk-Taking Behavior Scale Total Score5 6.27 4.22
 Shipley Institute of Living Scale (Estimated WAIS-IQ) 90.8 11.4

Note.

1

All participants identified as non-Hispanic.

2

The two participants who identified as more than one race both identified as White/Caucasian and American Indian/Alaska Native.

3

n represents the number of participants who met DSM-IV diagnostic criteria for substance abuse and/or substance dependence at some point during their lifetime. Participants could meet diagnostic criteria for more than one substance, as such the drug categories are not mutually exclusive.

4

Information regarding DSM-IV diagnostic criteria for cannabis abuse or dependence was not collected for the first participant.

5

Scores on the HIV Risk-Taking Behavior Scale may range from 0 to 55, with higher scores indicating greater frequency of risk behavior. Scores ranged from 0 to 17 with 6 being the most common score.