Number of BV cases during follow-up n/N (%) | Unadjusted odds ratio (95% CI) | Adjusted OR (95% CI)* | |
---|---|---|---|
Treatment for BV at visit 3 months prior (N=3046)† | p<0.001 | p<0.001 | |
No BV at previous visit | 331/1106 (29.9%) | 1 | 1 |
Intermediate Nugent score at previous visit | 137/255 (54.7%) | 2.72 (2.02 to 3.67) | 2.42 (1.78 to 3.29) |
Treated BV | 616/853 (72.2%) | 5.19 (3.98 to 6.75) | 4.35 (3.34 to 5.66) |
Untreated BV | 611/832 (73.4%) | 5.52 (4.23 to 7.21) | 4.87 (3.74 to 6.34) |
*BV adjusted for age, level of education, number of lifetime partners, frequency of condom use with clients, any use of alcohol, intravaginal insertion, HIV, herpes simplex virus-2, vaginal yeast, T. vaginalis, N. gonorrhoeae, syphilis, hormonal contraception/pregnancy (N=946, observations=4233).
†Observations excludes the enrolment, 18-month and 24-month visit.