Table 4

Characteristics of female sex workers with and without bacterial vaginosis

BV negative (n = 220)BV positive (n = 211)OR (95% CI)p Value
Mean age (years) 31.030.50.5
Never married49%45%0.9 (0.8–1.1)0.4
Mean age at first sex (years)16.015.90.7
Mean duration of prostitution (years)6.46.20.8
Mean number of sex partners/day3.84.00.2
Mean number of sex partners/week13.814.90.3
Mean charge per act (Kenya shillings)1101160.5
Condom use
Never35%34%0.9 (0.5–1.5)0.7
Sometimes49%45%0.9 (0.5–1.5)0.7
Always16%18%1.0 (reference)NA
Regular partner57%56%1.0 (0.7–1.5)0.8
Use of OC26%32%1.3 (0.9–2.0)0.2
Any lubricants used23%25%1.1 (0.7–1.7)0.7
Sex during menses22%26%1.1 (0.9–1.4)0.5
Anal intercourse14%16%1.1 (0.8–1.4)0.6
Any alcohol use53%63%1.5 (1.0–2.2)0.04
Pregnant6%2%0.4 (0.1–1.0)0.06
History of STI31%29%0.9 (0.6–1.4)0.9
History of GUD3%3%1.1 (0.7–1.8)0.8
History of vaginal discharge19%12%0.7 (0.5–1.0)0.06
History of abdominal pain22%23%1.0 (0.8–1.3)0.9
Trichomonas vaginalis 10%21%2.3 (1.3–4.1)0.003
Chlamydia trachomatis 5%13%3.0 (1.4–6.5)0.003
HIV26%35%1.5 (1.0–2.3)0.05