Characteristics of 102 female adolescents assessed for vaginal pH and bacterial vaginosis at GUM clinics
| Characteristic | % (no)* | |
|---|---|---|
| *n = 102 except where indicated. | ||
| †For users of hormonal contraceptives, this refers to cycle length before contraception. | ||
| Frequency of sex (times per week) | ||
| <1 | 23.5 (24) | |
| 1–4 | 46.1 (47) | |
| ⩾5 | 30.4 (31) | |
| Douching after sex (last 6 months) (n = 91) | 29.7 (27) | |
| Intercourse during menses (last 6 months) | 30.4 (31) | |
| Became sexually active within the last 12 months | 30.4 (31) | |
| Did not use a condom at last intercourse | 62.7 (64) | |
| Lifetime number of partners (n = 101) | ||
| 1 | 7.9 (8) | |
| 2–3 | 27.7 (28) | |
| 4–5 | 30.7 (31) | |
| 6–10 | 22.8 (23) | |
| >10 | 10.9 (11) | |
| Tanner breast stage | ||
| 3 | 7.9 (8) | |
| 4 | 44.6 (45) | |
| 5 | 47.5 (48) | |
| Presence of cervical ectopy | 45.1 (47) | |
| Menstrual cycle length (n = 98)† | ||
| <21 days | 11.2 (11) | |
| 21–42 days | 64.3 (63) | |
| >42 days | 6.1 (6) | |
| “Irregular” | 18.4 (18) | |
| Currently uses oral contraceptives (n = 101) | 57.4 (58) | |
| Ever used Depo-Provera | 19.6 (20) | |
| Current or past smoker | 82.4 (84) | |
| Previous STI treatment | 40.2 (41) | |
| Reports intermenstrual bleeding | 14.7 (15) | |