Screeninga) | Univariate analysis | Multivariable analysis | |||||||
---|---|---|---|---|---|---|---|---|---|
n | % | [CI95%] | PR | [CI95%] | p | PRa | [CI95%] | p | |
All (N = 2645) | 1219 | 41.3 | 38.2–44.5 | ||||||
City | |||||||||
Lille | 197 | 41.9 | [35.6–48.4] | ref. | |||||
Lyon | 227 | 44.9 | [38.3–51.6] | 1.1 | [0.9–1.3] | 0.5 | |||
Montpellier | 136 | 46.8 | [39.3–54.5] | 1.1 | [0.9–1.4] | 0.3 | |||
Nice | 149 | 39.9 | [30.3–50.4] | 0.9 | [0.7–1.3] | 0.8 | |||
Paris | 510 | 39.6 | [35.2–44.2] | 0.9 | [0.8–1.1] | 0.6 | |||
Age | |||||||||
18–29 y | 328 | 51.2 | [44.4–57.9] | ref. | ref. | ||||
30–44 y | 514 | 43.7 | [38.9–48.6] | 0.9 | [0.7–1.0] | 0.09 | 0.8 | [0.7–1.0] | 0.017 |
45 y and over | 377 | 33.2 | [28.7–38.1] | 0.6 | [0.5–0.8] | < 0.001 | 0.7 | [0.6–0.8] | < 0.001 |
University degree | |||||||||
yes | 820 | 43.6 | [39.9–47.4] | 1.2 | [1.0–1.4] | 0.04 | |||
no | 399 | 37.2 | [32.5–42.1] | ref. | |||||
Sexual identity | |||||||||
Homosexual | 1093 | 43.2 | [39.9–46.7] | 1.4 | [1.0–1.8] | 0.02 | |||
Bisexual or other | 126 | 31.5 | [24.0–40.1] | ref. | |||||
Attendance of (during the previous year): | |||||||||
- Use of gay websites or of mobile-based GPS applications | |||||||||
yes | 1000 | 46.0 | [42.3–49.8] | 1.5 | [1.3–1.8] | < 0.001 | |||
no | 219 | 30.5 | [25.7–35.8] | ref. | |||||
- Bar (without sex) | |||||||||
yes | 1079 | 44.9 | [41.7–48.2] | 1.4 | [1.2–1.7] | < 0.001 | |||
no | 140 | 31.5 | [26.0–37.5] | ref. | |||||
- Backrooms (sexual relations possible) | |||||||||
yes | 706 | 45.2 | [40.9–49.6] | 1.2 | [1.1–1.4] | 0.008 | |||
no | 513 | 37.6 | [33.7–41.7] | ref. | |||||
UAI with casual partners (during the previous year) | 633 | 49.7 | [45.3–54.0] | 1.4 | [1.2–1.6] | < 0.001 | |||
yes | 586 | 35.3 | [31.7–39.2] | ref. | |||||
no | |||||||||
More than 10 sexual partners (during the previous year) | |||||||||
yes | 691 | 50.1 | [45.3–54.9] | 1.4 | [1.2–1.7] | < 0.001 | 1.2 | [1.0–1.4] | 0.01 |
no | 528 | 34.2 | [30.2–38.4] | ref. | ref. | ||||
At least one STI (during the previous year) | |||||||||
yes | 361 | 64.3 | [58.1–70.1] | 1.8 | [1.6–2.0] | < 0.001 | 1.4 | [1.2–1.6] | < 0.001 |
no | 858 | 36.3 | [33.1–39.7] | ref. | ref. | ||||
Consumption of (before or during sexual intercourse, during the previous year) | |||||||||
- Alcohol (more than 6 glasses per day) | |||||||||
yes | 832 | 44.4 | [40.7–48.2] | 1.2 | [1.0–1.4] | 0.03 | |||
no | 387 | 37.0 | [32.1–42.2] | ||||||
Chemsex (during the previous year) | |||||||||
yes | 259 | 50.5 | [42.7–58.3] | 1.3 | [1.1–1.5] | 0.008 | |||
no | 960 | 40.0 | [36.8–43.3] | ref | |||||
Slamming (lifetime) | |||||||||
- yes, without sharing of injection equipment | 43 | 51.7 | [36.5–66.6] | 1.3 | [0.9–1.7] | 0.1 | |||
- yes and sharing of injection equipment | 16 | 77.2 | [45.3–93.3] | 1.9 | [1.4–2.6] | < 0.001 | |||
- no | 1160 | 40.9 | [37.7–44.1] | ref | |||||
Risky behaviours with casual partners (during the previous year) | |||||||||
- BDSM | |||||||||
yes | 212 | 59.2 | [51.0–66.9] | 1.5 | [1.3–1.8] | < 0.001 | |||
no | 1007 | 39.1 | [35.8–42.4] | ref. | |||||
- Fisting | |||||||||
yes | 275 | 54.8 | [46.9–62.5] | 1.4 | [1.2–1.7] | < 0.001 | 1.3 | [1.1–1.5] | 0.004 |
no | 944 | 38.6 | [35.4–42.0] | ref. | ref. | ||||
Hepatitis B vaccination (self-declared) | |||||||||
yes | 915 | 46.5 | [42.8–50.2] | ref | ref | ||||
no | 224 | 39.6 | [32.4–47.2] | 0.9 | [0.7–1.0] | 0.1 | 1.0 | [0.8–1.2] | 0.7 |
did not know | 80 | 22.1 | [15.8–30.0] | 0.5 | [0.3–0.7] | < 0.001 | 0.6 | [0.4–0.8] | < 0.001 |
Meningococcus C vaccination (self-declared) | |||||||||
yes | 289 | 63.7 | [57.0–70.0] | ref. | ref | ||||
no | 431 | 36.8 | [32.1–41.8] | 0.6 | [0.5–0.7] | < 0.001 | 0.6 | [0.5–0.8] | < 0.001 |
Did not know | 499 | 38.2 | [34.2–42.4] | 0.6 | [0.5–0.7] | < 0.001 | 0.7 | [0.6–0.8] | < 0.001 |
HIV statusb) | |||||||||
HIV + diagnosed | 262 | 61.2 | [52.7–69.1] | 1.6 | [1.3–1.9] | 0.001 | 1.4 | [1.2–1.6] | 0.001 |
HIV + undiagnosed | 12 | 18.5 | [7.9–37.5] | 0.5 | [0.2–1.0] | 0.06 | 0.5 | [0.3–0.9] | 0.03 |
HIV - | 945 | 38.6 | [35.2–42.1] | ref |