Table 1.
Baseline characteristics of case and controls included in this study.
| Demographics | Cases (N = 66) | Controls (N = 66) | P value |
|---|---|---|---|
| Age in years, median (IQR) | 23 (21–27) | 24 (21–28) | 0.310 |
| Highest level of education completed: | 0.446 | ||
| Less than primary, % (n) | 19.7 (13) | 7.6 (5) | |
| Primary Complete, % (n) | 34.8 (23) | 43.9 (29) | |
| High school complete, % (n) | 42.4 (28) | 47 (31) | |
| Tertiary complete, % (n) | 3.0 (2) | 1.5 (1) | |
| Relationship status: | 0.704 | ||
| Married, % (n) | 4.5 (3) | 9.1 (6) | |
| Stable partner, % (n) | 84.8 (56) | 84.8 (56) | |
| Casual partner, % (n) | 6.1 (4) | 1.5 (1) | |
| Other, % (n) | 4.5 (3) | 4.5 (3) | |
| Sexual behaviour: | |||
| Age (years) of sexual debut, median (IQR) | 17 (16–18) | 18 (16–19) | 0.008 |
| Number of lifetime sexual partners, median (IQR) | 2 (1.5–4) | 2 (1–3) | 0.323 |
| Number of vaginal sex acts in the last 30 days Median (IQR) | 4 (3–8) | 6 (3–10) | 0.060 |
| Contraceptive use: | * | ||
| Depo-Provera, % (n) | 71.2 (47) | 71.2 (47) | |
| Oral contraceptive, % (n) | 10.6 (7) | 13.6 (9) | |
| Nur-isterate, % (n) | 18.2 (12) | 7.6 (5) | |
| Tubal Ligation, % (n) | 0 | 7.6 (5) | |
| Condom use: | 0.481 | ||
| Always % (n) | 34.8 (23) | 31.8 (21) | |
| Sometimes % (n) | 59.1 (39) | 65.2 (43) | |
| Never % (n) | 6.1 (4) | 3.0 (2) | |
| STI Testing | |||
| Proportion HSV-2 positive % (n) | 75.4 (49) | 64.6 (42) | 0.26 |
IQR, interquartile range. HSV-2, Herpes simplex virus-2. A p-value of < 0.05 was regarded as statistically significant.
*The Bowker test of symmetry failed as there were no events hence the p-value could not be computed.