Female | Number | 62 | 2178 | |
| Age ≤25 | 33.3 | 21.5 | 1.87 [1.08–3.23] |
| Surinam or Antillean origin | 20.3 | 10.1 | 2.35 [1.22–4.50] |
| Unmarried and not cohabiting | 71.2 | 47.6 | 2.79 [1.58–4.95] |
| Heterosexual† | 98.3 | 93.9 | 3.92 [0.54–28.51] |
| Sexual debut <18 years | 90.0 | 54.8 | 0.67 [0.40–1.12] |
| New sex partner | 21.7 | 8.5 | 3.12 [1.67–5.89] |
| Lower abdominal pain | 11.9 | 18.2 | 0.59 [0.27–1.33] |
| Coloured discharge | 20.3 | 14.3 | 1.55 [0.81–2.96] |
| Heavy vaginal discharge | 35.0 | 21.7 | 1.99 [1.16–3.41] |
Male | Number | 32 | 1438 | |
| Age ≤30 | 54.8 | 43.6 | 1.58 [0.78–3.25] |
| Surinam or Antillean origin | 54.8 | 9.3 | 2.97 [1.25–7.06] |
| Government health insurance | 61.3 | 70.3 | 0.66 [0.31–1.38] |
| ≥15 years of education | 72.4 | 54.9 | 2.19 [0.96–4.98] |
| Sexual debut <18 years | 66.7 | 52.3 | 1.85 [0.86–3.98] |
| >5 lifetime sex partners | 71.4 | 57.8 | 1.85 [0.81–4.24] |
| Previous C trachomatis infection | 10.3 | 4.9 | 2.31 [0.68–7.85] |
| Urethral discharge | 6.5 | 1.9 | 3.69 [0.83–16.39] |
| Painful micturition | 6.5 | 2.6 | 2.73 [0.62–11.96] |