| Current PrEP users, n (%) | Former PrEP users, n (%) | Univariable Analysisa | Multivariable Analysisb | ||
---|---|---|---|---|---|---|
OR (95% CI) | p-valuec | OR (95% CI) | p-valuec | |||
Total (n) | 4848 | 609 | Â | Â | Â | Â |
Age (years) | ||||||
 Median (IQR) | 37 (30–45) | 33 (27–41) |  |  |  |  |
 18–29, n (%) | 967 (19.9%) | 209 (34.3%) | 1.9 (1.4–2.6) | < 0.001 | 1.6 (1.1–2.3) | 0.007 |
 30–39, n (%) | 1620 (33.4%) | 176 (28.9%) | 1 |  | 1 |  |
 40–49, n (%) | 1199 (24.7%) | 109 (17.9%) | 0.9 (0.7–1.3) | 0.639 | 1.0 (0.7–1.4) | 0.850 |
 50–80, n (%) | 597 (12.3%) | 53 (8.7%) | 1.0 (0.7–1.5) | 0.995 | 1.0 (0.6–1.5) | 0.839 |
 Missing, n (%) | 465 (9.6%) | 62 (10.2%) | – |  |  |  |
Gender, n (%) | ||||||
 Male | 4299 (88.7%) | 537 (88.2%) | 1 |  | 1 |  |
 Female | 2 (0.0%) | 0 (0.0%) | – |  |  |  |
 Transgender / Non-Binary | 52 (1.1%) | 4 (0.7%) | 0.8 (0.2–3.6) | 0.822 | 0.6 (0.1–2.8) | 0.499 |
 Intersex | 12 (0.2%) | 3 (0.5%) | 6.2 (1.0–37.3) | 0.046 | 7.4 (1.1–52.2) | 0.044 |
 Missing | 483 (10.0%) | 65 (10.7%) | – |  |  |  |
Country of origin, n (%) | ||||||
 Germany | 2531 (52.2%) | 325 (53.4%) | 1 |  | 1 |  |
 Outside Germany | 813 (16.8%) | 119 (19.5%) | 1.1 (0.9–1.5) | 0.394 | 0.9 (0.6–1.2) | 0.393 |
 Missing | 1504 (31.0%) | 165 (27.1%) | – |  |  |  |
Annual gross income, n (%) | ||||||
  < 30,000 € | 1005 (20.7%) | 181 (29.7%) | 1 |  | 1 |  |
 30,000–49,000 € | 1104 (22.8%) | 132 (21.7%) | 0.8 (0.6–1.1) | 0.109 | 1.0 (0.7–1.5) | 0.854 |
  ≥ 50,000 € | 1441 (29.7%) | 157 (25.8%) | 0.8 (0.6–1.1) | 0.252 | 1.2 (0.9–1.8) | 0.231 |
 Missing | 1298 (26.8%) | 139 (22.8%) | – |  |  |  |
Satisfaction with sex life, n (%) | ||||||
 Happy | 3144 (64.9%) | 270 (44.3%) | 1 |  | 1 |  |
 Unhappy | 298 (6.1%) | 111 (18.2%) | 4.4 (3.3–5.9) | < 0.001 | 2.9 (2.0–4.0) | < 0.001 |
 Missing | 1406 (29.0%) | 228 (37.4%) | – |  |  |  |
Duration of PrEP use, n (%) | ||||||
  < 3 months | 1020 (21.0%) | 250 (41.1%) | 2.5 (1.9–3.2) | < 0.001 | 1.6 (1.2–2.1) | 0.001 |
  ≥ 3 months | 3214 (66.3%) | 275 (45.2%) | 1 |  | 1 |  |
 Missing | 614 (12.7%) | 84 (13.8%) | – |  |  |  |
Type of PrEP use, n (%) | ||||||
 Daily | 2952 (60.9%) | 245 (40.2%) | 1 |  | 1 |  |
 On demand/intermittent | 1302 (26.9%) | 276 (45.3%) | 2.6 (2.0–3.3) | < 0.001 | 1.9 (1.4–2.5) | < 0.001 |
 Missing | 594 (12.3%) | 88 (14.4%) |  |  |  |  |
Number of anal sex partners within the previous 6 months, n (%) | ||||||
 0–3 | 622 (12.8%) | 167 (27.4%) | 4.8 (3.5–6.5) | < 0.001 | 2.1 (1.4–2.9) | < 0.001 |
 4–10 | 1355 (27.9%) | 181 (29.7%) | 1.8 (1.4–2.5) | < 0.001 | 1.1 (0.8–1.6) | 0.476 |
  > 10 | 2089 (43.1%) | 161 (26.4%) | 1 |  | 1 |  |
 Missing | 782 (16.1%) | 100 (16.4%) | – |  |  |  |
Condom use while taking PrEP / since stopping PrEP, n (%) | ||||||
 In about half the time/sometimes/never | 3164 (65.3%) | 160 (26.3%) | 1 |  | 1 |  |
 Always/Often | 874 (18.0%) | 328 (53.9%) | 8.8 (6.7–11.5) | < 0.001 | 6.7 (5.1–8.9) | < 0.001 |
 Missing | 810 (16.7%) | 121 (19.9%) | – |  |  |  |
Recruited through, n (%) [multiple responses possible] | ||||||
 Dating Apps | 3064 (63.2%) | 455 (74.7%) | – |  |  |  |
 Community Website | 262 (5.4%) | 11 (1.8%) | – |  |  |  |
 Anonymous Checkpoint | 95 (2.0%) | 6 (1.0%) | – |  |  |  |
 Friends | 404 (8.3%) | 40 (6.6%) | – |  |  |  |
 Missing | 1216 (25.1%) | 118 (19.4%) | – |  |  |  |