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. 2019 May 6;14:20. doi: 10.1186/s13722-019-0149-1

Table 1.

Demographic and clinical characteristics of participants

Demographic and clinical characteristics Total N = 95
N (%)
Age mean (range) 39.2 (22–66)
Male 70 (74%)
Female 25 (36%)
Race
 White 65 (68%)
 Black 17 (18%)
 Hispanic 8 (8%)
 Other 5 (5%)
Chronic medical condition 55 (58%)
Psychiatric condition 63 (66%)
Bipolar or psychotic disorder 25 (26%)
Baseline substance use
 Heroin 95 (100%)
 Methamphetamines 59 (61%)
 Cocaine 25 (26%)
 Benzodiazepines 8 (8%)
 Unhealthy alcohol use 11 (12%)
 Injection drug use 95 (100%)