Table 1 Characteristics of 577 men who have sex with men, stratified by self-perceived HIV status, Amsterdam, 2008-9
Total | HIV-negative | HIV-positive | HIV unaware | P c | |
|---|---|---|---|---|---|
N(%)a | n(%)a | n(%)a | n(%)a | ||
N | 577 | 351 (60.8 %) | 153 (26.5 %) | 73 (12.7 %) | |
Demographics | |||||
Median age in years (IQR) | 37 (30–43) | 36 (30–43) | 40 (36–46) | 32 (28–41) | <0.001 |
Age in years, categorised | <0.001 | ||||
< 30 | 124 (21.5 %) | 86 (24.5 %) | 13 (8.5 %) | 25 (34.3 %) | |
30–34 | 104 (18.0 %) | 68 (19.4 %) | 20 (13.1 %) | 16 (21.9 %) | |
35–39 | 120 (20.8 %) | 71 (20.2 %) | 41 (26.8 %) | 8 (11.0 %) | |
≥ 40 | 229 (39.7 %) | 126 (35.9 %) | 79 (51.6 %) | 24 (32.9 %) | |
Ethnic groupb | 0.181 | ||||
Dutch | 412 (73.8 %) | 259 (75.5 %) | 104 (70.8 %) | 49 (72.1 %) | |
Western, non-Dutch | 72 (12.9 %) | 44 (12.8 %) | 23 (15.7 %) | 5 (7.4 %) | |
Non-western | 74 (13.3 %) | 40 (11.7 %) | 20 (13.6 %) | 14 (20.6 %) | |
Sexual behaviour | |||||
Median no. of male sex partners in preceding 6 months (IQR) | 10 (5–20) | 8 (5–15) | 12 (6–30) | 10 (5–20) | <0.001 |
No. of male sex partners in preceding 6 months | |||||
1–4 | 119 (20.6 %) | 83 (23.7 %) | 22 (14.4 %) | 14 (19.2 %) | <0.001 |
5–9 | 166 (28.8 %) | 113 (32.2 %) | 31 (20.3 %) | 22 (30.1 %) | |
10–24 | 188 (32.6 %) | 112 (31.9 %) | 53 (34.6 %) | 23 (31.5 %) | |
25–49 | 64 (11.1 %) | 31 (8.8 %) | 26 (17.0 %) | 7 (9.6 %) | |
≥ 50 | 40 (6.9 %) | 12 (3.4 %) | 21 (13.7 %) | 7 (9.6 %) |