Northeastern city | Midwestern city | Southern city | |
---|---|---|---|
(n=269) | (n=248) | (n=411) | |
Mean Age/SD and IQR* | 22.8 (7.1) (18–25) | 36.3 (11.6) (25.5–47) | 29.0 (9.0) (22–35) |
Female gender | 172 (63.9%) | 126 (50.6%) | 214 (52.1%) |
Black race | 95 (35.3) | 198 (79.8) | 214 (52.1) |
Mean # sex partners, 3M† | 2.0 (1.7) (1–2) | 2.9 (5.0) (1–3) | 3.5 (8.6) (1–3) |
Mean # sex partners, LT‡ | 14.9 (25.9) (4–15) | 39.2 (44.3) (1–50) | 33.7 (38.2) (10–40) |
*Mean age in years, SD and IQR.
†Mean number of penile-vaginal sex partners in the 3 months preceding enrolment, SD and IQR.
‡Mean number of penile-vaginal sex partners over the lifetime (LT), SD and IQR.