Table 3 Final multivariate model for factors associated with bacterial vaginosis (BV) infection
BV prevalence n/N (%)Adjusted OR* (95% CI)
Age (years)p = 0.23
    16–1951/71 (71.8%)1
    20–24191/285 (67.0%)0.87 (0.48 to 1.60)
    25–29259/418 (62.0%)0.66 (0.37 to 1.20)
    30–35306/509 (60.1%)0.73 (0.40 to 1.33)
Facility typep = 0.03
    Local food handler389/656 (59.3%)1
    Restaurant/café/grocery116/196 (59.2%)0.90 (0.64 to 1.28)
    Guesthouse101/138 (73.2%)1.82 (1.18 to 2.81)
    Local brew seller59/93 (63.4%)0.92 (0.56 to 1.51)
    Bar142/200 (71.0%)1.26 (0.85 to 1.86)
Number of dependentsp = 0.001
    ⩾2466/785 (59.4%)1
    1142/224 (63.4%)1.15 (0.82 to 1.60)
    None199/274 (72.6%)1.75 (1.25 to 2.44)
Number of drinks per weekp = 0.002
    0347/602 (57.6%)1
    1–4192/299 (64.2%)1.36 (1.00 to 1.85)
    5–990/137 (65.7%)1.44 (0.94 to 2.19)
    ⩾10178/245 (72.7%)1.76 (1.22 to 2.55)
Sex in past 7 daysp<0.001
    No200/393 (50.9%)1
    Yes607/890 (68.2%)2.03 (1.57 to 2.62)
Inserting substances for dry sex†p = 0.003
    No777/1220 (63.7%)1
    Yes29/62 (46.8%)0.44 (0.25,0.75)
Menstrual hygiene†p = 0.02
    Sanitary pads135/229 (59.0%)1
    Cloths/underwear/sponges623/988 (63.1%)1.42 (1.02 to 1.95)
    Cotton wool/toilet paper39/51 (76.5%)2.52 (1.21 to 5.25)
HIVp = 0.008
    No483/813 (59.4%)1
    Yes324/470 (68.9%)1.41 (1.09 to 1.83)
Trichomonas vaginalisp<0.001
    No530/889 (59.6%)1
    Yes274/390 (70.3%)1.59 (1.22 to 2.09)
  • *Adjusted for all variables in the table; †data for inserting substances for dry sex are missing for 1 woman. Data for menstrual hygiene are missing for 15 women. Results for Trichomonas vaginalis are missing for 4 women.