Characteristics | Cohort I: Infants Exposed to HIV (n = 123) | Cohort II: Infants Not Exposed to HIV (n = 157) | P Value |
---|---|---|---|
 Study Period | 2007–2008 | 2017–2018 |  |
 Residence | Umlazi, South Africa | Umlazi, South Africa |  |
 Maternal age (median [IQR]) | 25 [21; 29] | 23 [19; 28] | 0.072 |
Relationship | |||
 Married | 1 (0.8) | 6 (3.8) | 0.132 |
 Not Married, Living with Partner | 9 (7.4) | 18 (11.5) |  |
 Not Married, Not Living with Partner | 112 (91.8) | 133 (84.7) |  |
Employed | |||
 No | 116 (95.1) | 120 (76.4) | < 0.0001 |
 Yes | 6 (4.9) | 37 (23.6) |  |
Mode of Delivery [n (%)] | |||
 Vaginal Delivery | 87 (71.9) | 126 (82.8) | 0.039 |
 Cesarean Section | 34 (28.1) | 26 (17.1) |  |
Maternal CD4 count, cells/mm3 (median [IQR]) | 529 [457; 612] | 856 [706; 1044] | < 0.001 |
Birth weight, g [median IQR] | 3200 [3000;3450] | 3200 [2870; 3530] | 0.373 |
Birth Weight Category [n (%)] | |||
  < 2500 g | 10 (7.6) | 8 (5.4) | 0.878 |
  > 2500 g | 121 (92.4) | 140 (94.6) |  |
Duration of Breastfeeding (weeks) | |||
Median (IQR) | 26 (25; 38) | 14 (14; 38) | 0.003 |
Duration of breastfeeding Category [n (%)] | |||
  < 6 months | 47 (38.2) | 83 (52.9) | 0.010 |
  > 6 months | 76 (61.8) | 74 (47.1) |  |