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Table 2 STI prevalence among FSWs, by duration of sex work

From: Sustained high prevalence of sexually transmitted infections among female sex workers in Cambodia: high turnover seriously challenges the 100% condom use programme

STI prevalence Worked as FSW ≥ 12 months Worked as FSW> 12 months Chi square P Value Total
  n/N* % (95% CI)** n/N % (95% CI)**   n/N % (95% CI)**
Syphilis, (RPR/TPPA) 19/674 1.3 (0.7–2.3) 15/404 3.8 (1.9–7.3) 0.011 34/1078 2.3 (1.3–3.9)
Chlamydia 109/668 17.9 (13.9–22.9) 42/395 9.0 (5.5–14.3) 0.003 151/1063 14.4 (11.0–18.6)
Gonorrhoea 82/666 16.5 (11.4–23.4) 40/395 7.7 (4.3–12.9) 0.01 122/1061 13.0 (9.2–18.0)
Any STI*** 172/666 30.0 (23.8–37.1) 77/395 15.8 (11.4–21.5) <0.001 249/1061 24.4 (19.8–29.7)
  1. *N = number of specimens tested; number varied because among FSWs for whom duration of sex work was known, 15 FSWs did not submit swabs and 2 swabs were not tested for gonorrhoea
  2. **CI = confidence interval
  3. **Any STI = number of women with at least one of the bacterial STIs