| Crude | Adjusted | ||
---|---|---|---|---|
 | OR | 95% CI | OR | 95% CI |
Women | ||||
 Age | ||||
  13–19 | 1 | – | 1 | – |
  20–24 | 0.77 | (0.66–0.88) | 0.82 | (0.70–0.95) |
  25+ | 0.38 | (0.32–0.45) | 0.44 | (0.37–0.53) |
 Condom use at last sexual contact | ||||
  No | 1 | – | 1 | – |
  Yes | 0.69 | (0.60–0.78) | 0.83 | (0.72–0.95) |
 Chlamydia infection at initial consultation | ||||
  No | 1 | – | 1 | – |
  Yes | 2.04 | (1.81–2.29) | 1.83 | (1.62–2.06) |
Men | ||||
 Age | ||||
  13–19 | 1 | – | 1 | – |
  20–24 | 0.77 | (0.58–1.02) | 0.82 | (0.61–1.09) |
  25+ | 0.47 | (0.35–0.63) | 0.50 | (0.37–0.66) |
 Combined variable, reported symptoms and chlamydia infection | ||||
  CT negative, no STI symptoms | 1 | – | 1 | – |
  CT negative, reported STI symptoms | 1.06 | (0.88–1.27) | 1.12 | (0.93–1.34) |
  CT positive, no STI symptoms | 1.07 | (0.84–1.37) | 1.00 | (0.79–1.28) |
  CT positive, reported STI symptoms | 2.31 | (1.89–2.83) | 2.30 | (1.88–2.82) |