Table 3.
Maternal characteristics by intervention and control group
| Characteristic | Trial period | |
|---|---|---|
| Intervention | Control | |
| Women, N | 3,766 | 3,960 |
| Maternal age, N (%) | 3,765 | 3,960 |
| <20 | 600 (15.9) | 639 (16.1) |
| 20–35 | 2,797 (74.3) | 2,888 (72.9) |
| >35 | 368 (9.8) | 432 (10.9) |
| Maternal education, N (%) | 3,766 | 3,960 |
| No formal education | 720 (19.1) | 811 (20.5) |
| Primary | 2,239 (59.5) | 2,604 (65.8) |
| Secondary | 756 (20.1) | 533 (13.5) |
| University + | 51 (1.4) | 12 (0.3) |
| Parity, N (%) | 3,765 | 3,960 |
| 0 | 1,122 (29.8) | 1,085 (27.4) |
| 1 | 824 (21.9) | 839 (21.2) |
| 2 or more | 1,819 (48.3) | 2,036 (51.4) |
| Multiples | 3,766 | 3,960 |
| Yes | 34 (0.9) | 16 (0.4) |
| No | 3,732 (99.1) | 3,944 (99.6) |