TABLE 3.
Demographic data and mothers’ characteristics at baseline in the study groups
| Active arm, N = 388 | Control arm, N = 379 | P | |
| Highest level of education at baseline* | |||
| Basic minimum education | 47 (12.2) | 45 (11.9) | 0.821 |
| Additional education but not tertiary level | 151 (39.2) | 156 (41.2) | |
| Tertiary education | 184 (47.8) | 173 (45.6) | |
| Unknown | 3 (0.8) | 5 (1.3) | |
| Missing | 3 | 0 | |
| Professional status at baseline* | |||
| Working or self-employed | 325 (84.6) | 328 (87.0) | 0.765 |
| Unable to work | 15 (3.9) | 9 (2.4) | |
| In search of employment | 7 (1.8) | 5 (1.3) | |
| Housewife or houseman | 28 (7.3) | 29 (7.7) | |
| Unemployed | 5 (1.3) | 4 (1.1) | |
| Studying | 4 (1.0) | 2 (0.5) | |
| Missing | 4 | 2 | |
| Mother smoking during pregnancy* | |||
| No | 364 (95.3) | 358 (95.2) | 0.961 |
| Yes | 18 (4.7) | 18 (4.8) | |
| Missing | 6 | 3 | |
*N (%), P from the χ2 test.