Associations between BV and sexually transmitted infections among adolescent school girls in Mwanza City, Tanzania
| N | BV n (%) | OR (95% CI) | P values | Adjusted OR (95% CI)† | P values | |
| Total | 386 | 95 (25) | – | – | – | – |
| Vaginal yeast | ||||||
| Negative | 365 | 92 (25) | 1 | 0.268 | 1 | 0.336 |
| Positive | 21 | 3 (14) | 0.50 (0.14 to 1.72) | 0.54 (0.15 to 1.91) | ||
| Chlamydia trachomatis or Neisseria gonorrhoea | ||||||
| Negative | 369 | 91 (25) | 1 | 0.916 | 1 | 0.542 |
| Positive | 17 | 4 (24) | 0.94 (0.30 to 2.96) | 0.68 (0.20 to 2.33) | ||
| Trichomonas vaginalis | ||||||
| Negative | 369 | 89 (24) | 1 | 0.300 | 1 | 0.935 |
| Positive | 17 | 6 (35) | 1.72 (0.62 to 4.78) | 0.95 (0.31 to 2.92) | ||
| Human papillomavirus* | ||||||
| Negative | 259 | 50 (19) | 1 | <0.001 | 1 | 0.042 |
| Positive for any genotype | 125 | 45 (36) | 2.35 (1.46 to 3.79) | 1.73 (1.02 to 2.95) | ||
*Data missing for two participants in the BV negative group.
†All adjusted for age, SES, lifetime sexual partners, receptive oral sex and HPV.
BV, bacterial vaginosis (Nugent score ≥7); HPV, human papillomavirus; SES, socioeconomic status.