Table 2.
infants and maternal characteristics associated with HIV-free survival
| HIV free N=342(%) | Infected/Died N=23(%) | χ2 | P value | |
|---|---|---|---|---|
| Infant characteristics | ||||
| Mean age (SD) | 1.97 (1.66) | 2.99 (4.11) | 6.06ψ | 0.014* |
| Timelines of enrolment | ||||
| Within 2 months | 300 (94.6) | 17 (5.4) | 3.60 | 0.058 |
| Beyond 2 months | 42 (87.5) | 6 (12.5) | ||
| Gender | ||||
| Female | 156 (96.3) | 6 (3.7) | 3.33 | 0.068 |
| Male | 186 (91.6) | 17 (8.4) | ||
| Treatment facility | ||||
| Private not-for-profit | 159 (97.0) | 5 (3.0) | 5.34 | 0.021* |
| Public health facility | 183 (91.0) | 18 (9.0) | ||
| NVP prophylaxis | ||||
| Yes | 338 (93.9) | 22 (6.1) | 1.61 | 0.279 |
| No | 4 (80.0) | 1 (20.0) | ||
| **Timing of nevirapine | ||||
| Within 72 hours | 335 (94.1) | 21 (5.9) | 0.13 | 1.000 |
| After 72 hours | 2 (100) | 0 (0.0) | ||
| **Duration of EBF^ | ||||
| ≥ 6 months | 97 (97.0) | 3 (3.0) | 0.91 | 0.407 |
| ˂ 6 months | 209 (94.6) | 12 (5.4) | ||
| **Total duration of BF^^ | ||||
| ≥ 12 months | 304 (98.1) | 6 (1.9) | 0.30 | 1.000 |
| ˂ 12 months | 15 (100) | 0 (0.0) | ||
| Maternal characteristics | ||||
| †CD4 Count | ||||
| >500cells/ml | 126 (94.7) | 7 (5.3) | 0.94 | 0.331 |
| <500cells/ml | 98 (91.6) | 9 (8.4) | ||
| †Viral Load | ||||
| ˂ 1000cps/ml | 37 (94.9) | 2 (5.1) | 0.27 | 1.000 |
| ≥1000cps/m | 5 (100) | 0 (0.0) | ||
| HIV Diagnosis | ||||
| Before pregnancy | 218 (94.4) | 13 (5.6) | 0.48 | 0.487 |
| During ANC/PNC | 124 (92.5) | 10 (7.5) | ||
| ART initiation | ||||
| Before pregnancy | 191 (94.1) | 12 (5.9) | 0.12 | 0.731 |
| During ANC/PNC∂ | 151 (93.2) | 11 (6.8) |
χ2 = Chi-square (df=1); ψF statistic for comparing means; *P-value significant (<0.05); **Only those who received NVP and with a documented duration of EBF and the total duration of breastfeeding were considered. ^EBF=Exclusive breastfeeding; ˄˄Breastfeeding; †Only those with documented viral load and CD4 count. ∂ANC/PNC =Antenatal care/Postnatal care