Prevalence of girls with laboratory-confirmed infections by age group
| Prevalence (95% CIs) of girls with laboratory diagnoses* | Age comparison | |||||||
|---|---|---|---|---|---|---|---|---|
| 14–15 years | 16–17 years | Total | Ratios | χ2, p value | ||||
| Bacterial vaginosis | 61/374 | 16.3 (12.2 to 20.4) | 33/141 | 1.12 (0.58 to 2.15) | 94/515 | 18.3 (14.6 to 22.0) | 0.70 (0.48 to 1.02) | 3.45; 0.06 |
| Candida albicans | 33/373 | 8.8 (5.8 to 11.8) | 11/139 | 0.75 (0.56 to 1.02) | 44/512 | 8.6 (6.1 to 11.1) | 1.12 (0.58 to 2.15) | 0.11; 0.74 |
| Chlamydia trachomatis | 10/371 | 2.7 (1.1 to 4.4) | 3/140 | 0.32 (0.11 to 0.93) | 13/511 | 2.5 (1.2 to 3.9) | 1.26 (0.35 to 4.50) | 0.13; 0.73 |
| Trichomonas vaginalis | 6/373 | 1.6 (0.3 to 2.9) | 7/139 | 0.76 (0.07 to 8.26) | 13/512 | 2.5 (1.2 to 3.9) | 0.32 (0.11 to 0.93) | 4.81; 0.03 |
| Neisseria gonorrhoeae | 2/371 | 0.5 (−0.2 to 1.2) | 1/140 | 0.55 (0.26 to 1.15) | 3/511 | 0.6 (−0.1 to 1.3) | 0.76 (0.07 to 8.26) | 0.5; 0.82 |
| All reproductive tract infections | 98/374 | 26.2 (21.7 to 30.7) | 47/141 | 0.70 (0.48 to 1.02) | 145/515 | 28.2 (24.3 to 32.1) | 0.79 (0.59 to 1.05) | 2.57; 0.11 |
*2–4 tests spoiled.