Table 4. Factors associated with loss to follow-up amongst pregnant and postpartum women enrolled in a combination HIV prevention intervention in South Africa.
| Univariable Hazard Ratio (HR) | Univariable 95% CI for HR | P | Multivariable HR | 95% CI for multivariable HR | P | |
|---|---|---|---|---|---|---|
| Age at baseline | ||||||
| < 20 years | 1.0 (Ref) | - | 1.0 (Ref) | - | ||
| 20–24 years | 1.11 | 0.69–1.78 | 0.66 | 1.08 | 0.67–1.73 | 0.75 |
| ≥ 25 years | 1.58 | 1.00–2.47 | 0.047 | 1.57 | 1.00–2.47 | 0.048 |
| Gestational age at first visit | ||||||
| < 14 weeks | 1.0 (Ref) | - | 1.0 (Ref) | - | ||
| 14–27 weeks | 1.14 | 0.77–1.69 | 0.50 | 1.63 | 1.07–2.42 | 0.015 |
| ≥ 28 weeks | 1.99 | 0.83–4.71 | 0.10 | 3.63 | 1.52–8.70 | 0.004 |
| Required gender-based violence counselling or referral | 1.64 | 0.93–2.92 | 0.090 | 1.52 | 0.78–2.96 | 0.21 |
| Received contraception counselling | 0.22 | 0.16–0.32 | <0.001 | 0.58 | 0.35–0.97 | 0.036 |
| Received support to access social security grant | 0.14 | 0.09–0.20 | <0.001 | 0.31 | 0.18–0.53 | <0.001 |
| Male partner received HTC | ||||||
| No | 1.0 (Ref) | - | 1.0 (Ref) | - | ||
| Yes | 0.16 | 0.10–0.24 | <0.001 | 0.30 | 0.18–0.51 | <0.001 |
HTC-HIV testing and counselling.