TABLE 1.
Baseline characteristics of subjects who completed the study compared with dropouts and of the 2 groups of mothers and infants1
| Completing (n = 100) | Noncompleting (n = 19) | P | CF group (n = 51) | EBF group (n = 49) | P | |
| Maternal data | ||||||
| University education (n) | 54 | 11 | 0.762 | 31 | 24 | 0.232 |
| Primiparous (n) | 27 | 10 | 0.0272 | 18 | 9 | 0.0572 |
| Multiparous (n) | 73 | 9 | 33 | 40 | ||
| Vaginal delivery (n) | 83 | 89 | 0.482 | 46 | 36 | 0.022 |
| Weight (kg) | — | — | — | 73.0 ± 15.5 | 71.3 ± 12.4 | 0.5 |
| Age (y) | 30.2 ± 4.83 | 28.1 ± 6.9 | 0.22 | 29.7 ± 4.4 | 30.7 ± 5.1 | 0.2 |
| Infant data | ||||||
| Male (n) | 46 | 9 | 0.92 | 25 | 21 | 0.52 |
| Age at enrollment (d) | 123.0 ± 3.3 | 122.0 ± 3.9 | 0.77 | 123.0 ± 3.4 | 123.0 ± 3.2 | 0.95 |
| Gestational age (d) | 280.9 ± 8.3 | 278.6 ± 11.5 | 0.29 | 279.6 ± 8.8 | 277.9 ± 8.1 | 0.3 |
| Birth weight (kg) | 3.71 ± 0.48 | 3.67 ± 0.37 | 0.75 | 3.70 ± 0.44 | 3.71 ± 0.52 | 0.9 |
| Birth weight z-score4 | 0.83 ± 0.94 | 0.77 ± 0.65 | 0.77 | 0.825 ± 0.89 | 0.835 ± 1.00 | 0.9 |
| Weight at age 4 mo (kg) | 7.0 ± 0.9 | 7.0 ± 0.6 | 1.00 | 7.05 ± 1.00 | 6.99 ± 0.81 | 0.9 |
| Weight z-score4 | 0.33 ± 0.95 | 0.37 ± 0.57 | 0.89 | 0.345 ± 1.05 | 0.335 ± 0.83 | 0.9 |
| Length at age 4 mo (cm) | 64.4 ± 2.1 | 65.1 ± 1.8 | 0.13 | 64.3 ± 2.3 | 64.5 ± 1.9 | 0.7 |
| Length z-score4 | 0.65 ± 0.86 | 1.07 ± 0.59 | 0.04 | 0.585 ± 0.91 | 0.725 ± 0.80 | 0.4 |
1
All comparisons were made by independent t test except where indicated otherwise. CF, complementary feeding; EBF, exclusive breastfeeding.
2
Chi-square test.
3
Mean ± SD (all such values).
4
Calculated by using WHO reference data (18).
5
Significantly different from WHO mean values, P < 0.05.