Table 1.
Characteristics of adolescent mothers, their infants and maternal grandmother, by the intervention exposure*
| Infant and mother characteristics | Intervention (n = 163) | Control (n = 160) |
|---|---|---|
| Infant gender, Masculine: n (%) |
76 (46.6) |
88 (55.0) |
| Birth weight: median ± 2 SD (g) |
3,280.50 (406.9) |
3,205.93 (398.0) |
| Breastfeeding duration ≥6 months of previous children**: n (%) |
13/22 (59.0) |
11/25 (44.0) |
| Maternal schooling level > 8 years: n (%) |
44 (27.0) |
37 (23.1) |
| Mothers living with a partner: n (%) |
102 (62.6) |
100 (62.5) |
| ≥7 prenatal care visits: n (%) |
106 (65.0) |
97 (60.6) |
| Primiparity: n (%) |
141 (86.5) |
135 (84.4) |
| Vaginal delivery: n (%) |
120 (73.6) |
121 (75.6) |
|
Grandmothers characteristics |
Intervention(n = 88) |
Control(n = 81) |
| Grandmother age: mean ± 2 SD (years) |
43.9 (7.4) |
45.1 (8.4) |
| Grandmother working outside of the home: n (%) |
51 (63.7) |
56 (63.6) |
| Grandmother schooling level > 8 years: n (%) |
21 (24.1) |
13 (16.5) |
| Breastfeeding duration for the adolescent mothers: mean ± 2 SD (months) | 17.7 (18.7) | 12.9 (16.5) |
*p > 0.05 for all variants; **primiparous excluded (n intervention =22; n control = 25).