|
| Baseline characteristics | Intervention () | Control () |
|
| Sociodemographic variables | | |
| Age (mean ± SD) | 28.1 (7.4) | 28.1 (6.9) |
| Married | 249 (95%) | 251 (95%) |
| Years of education (mean ± SD) | 9.6 (2.1) | 9.9 (1.9) |
| How many live births | | |
| Number of live births (mean ± SD) | 2.3 (1.6) | 2.3 (1.6) |
| Current contraceptive method (multiple methods reported) | | |
| Long term (i.e., tubal ligation) | 4 (2%) | 3 (1%) |
| Injectable hormones (i.e., depomedroxyprogesterone) | 36 (14%) | 42 (16%) |
| Combined oral contraceptives | 160 (61%) | 171 (65%) |
| Barrier (i.e., condom) | 36 (14%) | 33 (12%) |
| Other/none | 27 (10%) | 16 (6%) |
| Number of sexual partners in life (median, range) | 1 (1–10) | 1 (1–5) |
| Number of times sex in last 3 months (mean ± SD) | 4.4 (3.3) | 4.5 (3.5) |
| Reported condom use at last sex | 190 (72%) | 200 (75%) |
| Reported condom use in past 3 months | | |
| Never | 79 (30%) | 70 (26%) |
| Sometimes | 114 (43%) | 113 (43%) |
| Always | 69 (26%) | 82 (31%) |
| Clinical history and exam at enrollment | | |
| History of abnormal discharge during past 3 months | 8 (3%) | 6 (2%) |
| History of abnormal discharge ongoing | 1 (0.4%) | 0 (0%) |
| Abnormal vaginal discharge on exam | 18 (7%) | 22 (8%) |
| Screening laboratory results | | |
| BV diagnosed by Gram stain criteria | | |
| Normal (Nugent’s score: 0–3) | 120 (46%) | 120 (45%) |
| Intermediate (Nugent’s score: 4–6) | 41 (16%) | 34 (13%) |
| BV (Nugent’s score: 7–10) | 102 (39%) | 111 (42%) |
| Lactobacillus by Gram stain (median, range) | 2 (0–4) | 2 (0–4) |
| Lactobacillus Gram stain score abnormal (2–4) | 144 (55%) | 139 (52%) |
| Vaginal pH ≥ 4.7 | 109 (43%) | 109 (43%) |
| Chlamydia trachomatis | 4 (1.5%) | 3 (1.1%) |
| Neisseria gonorrhoeae | 3 (1.1%) | 1 (0.4%) |
| Trichomonas vaginalis | 8 (3.0%) | 7 (2.6%) |
| HSV-2 seropositive | 128 (48.7%) | 128 (48.3%) |
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