Variable | Total (N = 206) | Concordant (N = 179) | Discordant (N = 27) |  | ||||||
---|---|---|---|---|---|---|---|---|---|---|
 | * | n | (%) | * | n | (%) | * | n | (%) | P |
Demographics | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Age in years (continuous) | 206 | Â | Â | 179 | Â | Â | 27 | Â | Â | 0.321 |
  Median (IQR) |  | 22 | (20–26) |  | 22 | (20–26) |  | 21 | (19–26) |  |
Age in years (categorical) | 206 | Â | Â | 179 | Â | Â | 27 | Â | Â | 0.213 |
  <15 |  | 0 | (0.0%) |  | 0 | (0.0%) |  | 0 | (0.0%) |  |
  15-19 |  | 38 | (18.4%) |  | 30 | (16.8%) |  | 8 | (29.6%) |  |
  20-24 |  | 105 | (51.0%) |  | 95 | (53.1%) |  | 10 | (37.0%) |  |
  25-29 |  | 43 | (20.9%) |  | 35 | (19.6%) |  | 8 | (29.6%) |  |
  30-39 |  | 13 | (6.3%) |  | 12 | (6.7%) |  | 1 | (3.7%) |  |
  ≥40 |  | 7 | (3.4%) |  | 7 | (3.9%) |  | 0 | (0.0%) |  |
Ethnicity | 206 | Â | Â | 179 | Â | Â | 27 | Â | Â | 0.327 |
  Dutch |  | 97 | (47.1%) |  | 84 | (46.9%) |  | 13 | (48.1%) |  |
  Surinamese |  | 38 | (18.4%) |  | 30 | (16.8%) |  | 8 | (29.6%) |  |
  Eastern European |  | 22 | (10.7%) |  | 20 | (11.2%) |  | 2 | (7.4%) |  |
  Other |  | 49 | (23.8%) |  | 45 | (25.1%) |  | 4 | (14.8%) |  |
Sexual behavior | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
Number of partners in preceding 6Â months (continuous) | 206 | Â | Â | 179 | Â | Â | 27 | Â | Â | 0.545 |
  Median (IQR) |  | 3 | (2–5) |  | 3 | (2–5) |  | 3 | (1–6) |  |
Vaginal intercourse | 203 | Â | Â | 177 | Â | Â | 26 | Â | Â | 0.831 |
  Safe |  | 21 | (10.3%) |  | 18 | (10.2%) |  | 3 | (11.5%) |  |
  Unsafe |  | 182 | (89.7%) |  | 159 | (89.8%) |  | 23 | (88.5%) |  |
Receptive anal intercourse | 205 | Â | Â | 179 | Â | Â | 26 | Â | Â | 0.797 |
  None |  | 110 | (53.7%) |  | 97 | (54.2%) |  | 13 | (50.0%) |  |
  Safe |  | 17 | (8.3%) |  | 14 | (7.8%) |  | 3 | (11.5%) |  |
  Unsafe |  | 78 | (38.0%) |  | 68 | (38.0%) |  | 10 | (38.5%) |  |
Active oral intercourse | 203 | Â | Â | 177 | Â | Â | 26 | Â | Â | 0.969 |
  None |  | 28 | (13.8%) |  | 24 | (13.6%) |  | 4 | (15.4%) |  |
  Safe |  | 8 | (3.9%) |  | 7 | (4.0%) |  | 1 | (3.8%) |  |
  Unsafe |  | 167 | (82.3%) |  | 146 | (82.5%) |  | 21 | (80.8%) |  |
Notified of STI by a sexual partner | 206 | Â | Â | 179 | Â | Â | 27 | Â | Â | 0.435 |
  No |  | 143 | (69.4%) |  | 126 | (70.4%) |  | 17 | (63.0%) |  |
  Yes |  | 63 | (30.6%) |  | 53 | (29.6%) |  | 10 | (37.0%) |  |
STI related symptoms | 206 | Â | Â | 179 | Â | Â | 27 | Â | Â | 0.209 |
  No |  | 87 | (42.2%) |  | 70 | (39.1%) |  | 17 | (63.0%) |  |
  Yes |  | 122 | (59.2%) |  | 109 | (60.9%) |  | 13 | (48.1%) |  |
HIV status | 206 | Â | Â | 179 | Â | Â | 27 | Â | Â | 0.679 |
  Unknown |  | 4 | (1.9%) |  | 4 | (2.2%) |  | 0 | (0.0%) |  |
  Negative |  | 201 | (97.6%) |  | 174 | (97.2%) |  | 27 | (100.0%) |  |
  Positive |  | 1 | (0.5%) |  | 1 | (0.6%) |  | 0 | (0.0%) |  |
Received money for sex in preceding 6Â months | 206 | Â | Â | 179 | Â | Â | 27 | Â | Â | 0.263 |
  Yes |  | 175 | (85.0%) |  | 154 | (86.0%) |  | 21 | (77.8%) |  |
  No |  | 31 | (15.0%) |  | 25 | (14.0%) |  | 6 | (22.2%) |  |