Table 2.
Predictors of Pregnancy and HIV Seroconversion
| Pregnancy | HIV Seroconversion | ||||||
|---|---|---|---|---|---|---|---|
| Characteristics | Total (%) | Adjusted Hazard Ratio (95% Cl) |
P Value | PAR% | Adjusted Hazard Ratio (95% Cl) | P Value | PAR% |
| Age group | 51 (47, 54) | 50 (46, 54) | |||||
| <20 years | 10.40 | 3.23 (2.61–4.00) | <.001 | 3.20 (2.51–4.10) | <.001 | ||
| 20–29 | 55.47 | 2.41 (2.05–2.83) | <.001 | 2.36 (1.96–2.85) | <.001 | ||
| 30+ years | 33.80 | 1 (reference) | 1 (reference) | ||||
| Marital/cohabitation status | 45 (40, 51) | 75 (70, 78) | |||||
| Yes | 15.40 | 1 (reference) | 1 (reference) | ||||
| No | 84.60 | 1.34 (1.13–1.58) | .001 | 2.19 (1.68–2.84) | <.0001 | ||
| Education | 3 (1, 4) | ||||||
| None | 54.20 | 1 (reference) | 1 (reference) | ||||
| Primary | 41.30 | 0.94 (0.67–1.31) | .718 | 0.93 (0.81–1.07) | .296 | ||
| Secondary | 4.50 | 0.91 (0.65–1.27) | .591 | 1.01 (0.73–1.42) | .931 | ||
| Contraception | 58 (55, 60) | 20 (15, 23) | |||||
| Other | 24.3 | 1 (reference) | <.001 | 1 (reference) | |||
| Injectable | 51.20 | 0.24 (0.20–0.28) | <.001 | 1.36 (1.14–1.63) | <.001 | ||
| Pill | 9.89 | 1.42 (1.20–1.70) | <.001 | 0.71 (0.51–1.00) | .050 | ||
| No | 14.58 | 1.20 (1.01–1.42) | .035 | 1.17 (0.91–1.48) | .212 | ||
| Parity | 52 (48, 57) | 47 (42, 53) | |||||
| 0 | 12.40 | 2.41 (1.95–2.97) | <.001 | 1.86 (1.45–2.38) | <.001 | ||
| 1 | 43.10 | 1.08 (0.90,1.31) | .392 | 1.76 (1.48–2.10) | <.001 | ||
| 2+ | 44.50 | 1 (reference) | 1 (reference) | ||||
| Number of Sexual Partners | 5 (3, 10) | ||||||
| 1 | 1 (reference) | 1 (reference) | |||||
| 2+ | 13.44 | 1.27 (0.98–1.63) | .063 | 1.39 (1.08–1.78) | .010 | ||
Abbreviations: CI, confidence interval; HIV, human immunodeficiency virus; PAR%, population attributable risk percentage.