Table 1.
Demographic Information of the Sample Stratified by City of Enrollment (N = 928)
| Northeastern City (n = 269) |
Midwestern City (n = 248) |
Southern City (n = 411) |
|
|---|---|---|---|
| Mean Age/SD and IQR1 | 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, 3M2 | 2.0 (1.7) (1-2) | 2.9 (5.0) (1-3) | 3.5 (8.6) (1-3) |
| Mean # sex partners, LT3 | 14.9 (25.9) (4-15) | 39.2 (44.3) (1--50) | 33.7 (38.2) (10-40) |
1
Mean age in years, standard deviation, and interquartile range
2
Mean number of penile-vaginal sex partners in the three months preceding enrollment, standard deviation, and interquartile range
3
Mean number of penile-vaginal sex partners over the lifetime (LT), standard deviation, and interquartile range