Table 2 Cumulative incidence rate (per-1000 months) of vertical transmission of HIV among children by 24 months according to selected characteristics
Characteristics | Total person-months | Number of infected babies | Cumulative incidence rate | 95% CI | |
|---|---|---|---|---|---|
Age of mother at pregnancy | |||||
  < 20 | 345 | 1 | 2.90 | 0.41 | 20.58 |
 20–24 | 3328 | 15 | 4.51 | 2.72 | 7.48 |
 25–29 | 3213 | 14 | 4.36 | 2.58 | 7.36 |
 30+ | 989 | 8 | 8.09 | 4.05 | 16.18 |
Education of mother | |||||
 Illiterate | 2650 | 15 | 5.66 | 3.41 | 9.39 |
 Primary school | 1613 | 7 | 4.34 | 2.07 | 9.10 |
 Above primary school | 3612 | 16 | 4.43 | 2.71 | 7.23 |
Working status of mother | |||||
 Not working | 6722 | 33 | 4.91 | 3.49 | 6.91 |
 Working | 1153 | 5 | 4.33 | 1.80 | 10.41 |
Know HIV positive status prior to pregnancy | |||||
 No | 6153 | 29 | 4.71 | 3.28 | 6.78 |
 Yes | 1686 | 9 | 5.34 | 2.78 | 10.26 |
Status of ART initiation by mother | |||||
 Not on ART | 3836 | 18 | 4.69 | 2.96 | 7.45 |
 Started ART more than 90 days prior to delivery | 1890 | 14 | 7.41 | 4.39 | 12.51 |
 Started ART within 90 days prior to delivery | 1362 | 4 | 2.94 | 1.10 | 7.82 |
 Started ART after delivery | 787 | 2 | 2.54 | 0.64 | 10.16 |
Sex of the child | |||||
 Boy | 4036 | 22 | 5.45 | 3.59 | 8.28 |
 Girl | 3839 | 16 | 4.17 | 2.55 | 6.80 |
Status of Nevirapine administration | |||||
 Any one given Nevirapine | 978 | 3 | 3.07 | 0.99 | 9.51 |
 Both, mother and baby given Nevirapine | 6573 | 29 | 4.41 | 3.07 | 6.35 |
 None given Nevirapine | 325 | 6 | 18.48 | 8.30 | 41.14 |
Duration of breastfeeding | |||||
 Not breastfed | 2553 | 4 | 1.57 | 0.59 | 4.18 |
 1–26 weeks | 3864 | 23 | 5.95 | 3.96 | 8.96 |
 Above 26 weeks | 1438 | 11 | 7.65 | 4.24 | 13.81 |
Mode of delivery | |||||
 Vaginal | 6946 | 37 | 5.33 | 3.86 | 7.35 |
 Caesarean | 930 | 1 | 1.08 | 0.15 | 7.64 |
Total | 7875 | 38 | 4.83 | 3.51 | 6.63 |