Table 1: Characterization of the studied sample.
| n | Mean±standard deviation | |
|---|---|---|
| Mother’s age (years) | 83 | 30.9±7.0 |
| Father’s age (years) | 83 | 35.3±6.7 |
| Weight at birth (kg) | 83 | 3.0±0.4 |
| Body mass index (kg/m2) | 83 | 14.3±0.4 |
| Gestation (months) | 83 | 9.0±0 |
| Length at birth (cm) | 83 | 47.0±2.7 |
| Breastfeeding (months) | 83 | 9.8±6.9 |
| No longer wearing diapers (months) | 83 | 24.0±9.0 |
| Sitting down (months) | 66 | 6.5±0.7 |
| Crawling (months) | 74 | 7.8±0.9 |
| Walking (months) | 74 | 11.8±1.7 |
| Talking (months) | 62 | 14.8±5.2 |
| Number of siblings | 83 | 1.8±1.0 |