Table 1 Characteristics of eligible participants at baseline, eThekwini (n = 54)
Characteristic | N | % |
|---|---|---|
Sex | ||
 Male | 51 | 96 |
 Female | 3 | 4 |
Age | ||
 Median (IQR) | 28 | 25–32 |
Race | ||
 Mixed ancestry | 3 | 6% |
 Black African | 34 | 63% |
 Indian ancestry | 3 | 6% |
 White | 14 | 26% |
 > 10 years drug use history | 30 | 56% |
Criminal record | 28 | 53% |
Frequency of heroin use (current) | ||
 Daily | 1 | 2% |
 1–2 times per day | 4 | 7% |
 3–4 times per day | 15 | 28% |
 > 4 times | 31 | 57% |
 Missing | 3 | 6% |
Duration of pattern of use | ||
 1–3 months | 1 | 2% |
 3–6 months | 3 | 6% |
 > 6 months | 47 | 87% |
 Missing | 3 | 6% |
Injected heroin in last year | 10 | 19% |
Drugs detected on urine (baseline) | ||
 Opioids | 54 | 100% |
 Cannabis | 17 | 32% |
 Cocaine | 8 | 15% |
 Amphetamine | 1 | 2% |
 Methamphetamine | 6 | 11% |
 Benzodiazepines | 1 | 2% |
HIV positive | 7 | 13% |
ECG abnormalitiesa | 0 | 0% |