Table 3.
Multivariate regression analysis of factors associated with having ever injected steroids before among MSM * in Madrid and Barcelona.
| Adjusted Prevalence Ratio | (95% CI **) | |
|---|---|---|
| Kind of testing programme | ||
| Community programme | 1.0 | |
| STI diagnostic clinics | 1.8 | 1.4–2.3 |
| Age (years) | ||
| <25 | 1.0 | |
| 25–39 | 2.8 | 1.6–4.9 |
| ≥40 | 3.6 | 2.0–6.5 |
| Country of birth | ||
| Spain | 1.0 | |
| Latin America | 2.5 | 1.9–3.4 |
| Others | 1.2 | 0.7–1.9 |
| Gender of sex partners (ever) | ||
| Only men | 1.0 | |
| Men and women | 1.4 | 1.1–1.8 |
| Having ever been paid for sex | ||
| No | 1.0 | |
| Yes | 1.9 | 1.5–2.6 |
| Having ever injected drugs | ||
| No | 1.0 | |
| Yes | 1.9 | 1.1–3.1 |
| Having ever used drugs for sex | ||
| No | 1.0 | |
| Yes | 1.9 | 1.4–2.6 |
| STI diagnosis (ever) | ||
| No | 1.0 | |
| Yes | 1.9 | 1.3–2.7 |
| HIV diagnosis during the recruitment consultation | ||
| No | 1.0 | |
| Yes | 2.0 | 1.2–3.2 |
* MSM: men who have sex with men. ** 95% CI: 95% confidence interval. Bold number: the bold helps to quickly identify the name of the variables and the significant prevalence ratio but they can be eliminated.