Table 2.
Sample characteristics, prevalence of having ever injected steroids before, and bivariate analysis of factors associated among MSM * in Madrid and Barcelona (II).
| Sample Characteristics | Prevalence of Having Ever Injected Steroids before | Crude Prevalence Ratio | (95% CI **) | ||
|---|---|---|---|---|---|
| N = 3510 | N = 214 (6.1%) | ||||
| N | % | % | |||
| Sexual and risk behaviour | |||||
| Gender of sex partners (ever) | |||||
| Only men | 2194 | 62.5 | 5.0 | 1.0 | |
| Men and women | 1316 | 37.5 | 8.0 | 1.6 | 1.3–2.0 |
| Age at first sexual intercourse with another man (years) | |||||
| ≤15 | 614 | 17.5 | 6.7 | 1.1 | 0.7–1.7 |
| 16–20 | 1902 | 54.2 | 6.3 | 1.0 | 0.7–1.5 |
| 21–24 | 566 | 16.1 | 4.9 | 0.8 | 0.5–1.3 |
| ≥25 | 424 | 12.1 | 6.1 | 1.0 | |
| Exercised sex life with men… | |||||
| Not Openly | 1344 | 38.5 | 5.7 | 1.0 | |
| Openly | 2149 | 61.5 | 6.3 | 1.1 | 0.9–1.4 |
| Place where the largest number of partners were found | |||||
| Discos/clubs/bars | 516 | 15.3 | 8.1 | ||
| Saunas | 327 | 9.7 | 7.0 | ||
| Apps/webs | 2177 | 64.4 | 5.3 | ||
| Cruising places | 113 | 3.3 | 5.3 | ||
| Private parties | 115 | 3.4 | 10.4 | ||
| Others/no search | 131 | 3.9 | 4.6 | ||
| Place where the largest number of partners were found | |||||
| Discos/bars/saunas/private parties | 958 | 28.4 | 8.0 | 1.5 | 1.1–2.0 |
| Others | 2421 | 71.7 | 5.3 | 1.0 | |
| Number of men who have penetrated (ever) | |||||
| None | 187 | 5.3 | 3.7 | 1.0 | |
| ≤50 | 2426 | 69.1 | 5.1 | 1.4 | 0.7–2.9 |
| >50 | 897 | 25.6 | 9.3 | 2.5 | 1.2–5.3 |
| Number of men who have penetrated you (last 12 months) | |||||
| None | 716 | 20.4 | 4.9 | 1.0 | |
| ≤5 | 1630 | 46.5 | 5.5 | 1.1 | 0.8–1.6 |
| >5 | 1160 | 33.1 | 7.7 | 1.6 | 1.1–2.3 |
| Having ever been paid for sex | |||||
| No | 2754 | 78.5 | 4.4 | 1.0 | |
| Yes | 755 | 21.5 | 12.3 | 2.8 | 2.2–3.6 |
| Having ever paid for sex | |||||
| No | 2906 | 82.8 | 5.3 | 1.0 | |
| Yes | 604 | 17.2 | 9.8 | 1.8 | 1.4–2.4 |
| Having ever injected drugs | |||||
| No | 3431 | 97.9 | 5.8 | 1.0 | |
| Yes | 75 | 2.1 | 18.7 | 3.2 | 1.9–5.5 |
| Having ever used drugs for sex | |||||
| No | 1558 | 44.5 | 3.2 | 1.0 | |
| Yes | 1942 | 55.5 | 8.5 | 2.7 | 2.0–3.7 |
| History of HIV and other STI testing | |||||
| STI diagnosis (ever) | |||||
| No | 978 | 28.1 | 3.1 | 1.0 | |
| Yes | 2498 | 71.9 | 7.4 | 2.4 | 1.7–3.5 |
| Time since last HIV test | |||||
| ≤6 months | 1710 | 48.8 | 8.2 | 9.2 | 2.3–37.0 |
| >6 months | 1570 | 44.8 | 4.6 | 5.1 | 1.3–20.9 |
| Never tested before | 224 | 6.4 | 0.9 | 1.0 | |
| HIV diagnosis during the recruitment consultation | |||||
| No | 3374 | 97.6 | 5.8 | 1.0 | |
| Yes | 84 | 2.4 | 14.5 | 2.7 | 1.5–4.6 |
* 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.