Demographics and social parameters of study population
| Total number of participants | 314 |
|---|---|
| Median age | 24.2 years (17–45 years) |
| Sex | |
| Male | 197 (63%) |
| Female | 116 (37%) |
| Transgender | 1 |
| Sexual preference | |
| Heterosexual | 290 (94%) |
| Homosexual | 12 (4%) |
| Bisexual | 7 (2%) |
| Unknown | 5 |
| Cultural background | |
| Anglo-Australian | 223 (71%) |
| Indigenous Australian | 34 (11%) |
| Southeast Asian | 22 (7%) |
| Other | 35 (11%) |
| Current employment status | |
| Unemployed | 272 (88%) |
| Partial/full employment | 38 (12%) |
| Unknown | 4 |
| Current accommodation status | |
| Homeless/temporary housing | 135 (44%) |
| Rent/family home | 171 (56%) |
| Unknown | 8 |
| Current drug use | |
| Heroin | 310 (99%) |
| Amphetamines only | 4 (1%) |
| Current alcohol use | |
| Yes | 150 (53%) |
| No | 133 (47%) |
| Unknown | 31 |
| Current cigarette use | |
| Yes | 292 (98%) |
| No | 7 (2%) |
| Unknown | 15 |