Table 1.
Maternal sample characteristics, absolute and relative frequencies.
| Maternal Characteristics | Mean (SD) | Range | n (%) |
|---|---|---|---|
| Civil status | |||
| Unmarried | 1795 (47.4%) | ||
| Married | 1882 (49.7%) | ||
| No information | 109 (2.9%) | ||
| Nicotine consumption during pregnancy | |||
| Yes | 558 (14.7%) | ||
| No | 3228 (85.3%) | ||
| Maternal age | 28.3 (5.4) | 18–48 | |
| Maternal age group | |||
| <20 years | 100 (2.6%) | ||
| 20–29 years | 2050 (59.4%) | ||
| 30–39 years | 1380 (36.4%) | ||
| ≥40 years | 56 (1.5%) | ||
| Stature height (cm) | 165.9 (6.3) | 148.1–189.0 | |
| <160 cm | 871 (23.0%) | ||
| 160–165 cm | 1013 (26.7%) | ||
| 166–175 cm | 1681 (44.4%) | ||
| >175 cm | 221 (5.8%) | ||
| Prepregnancy weight (kg) | 63.9 (13.3) | 44.0–150.1 | |
| End of pregnancy weight (kg) | 78.5 (13.9) | 48.6–55.0 | |
| Pregnancy weight gain | 14.7 (5.7) | −8.2–52.1 | |
| <7 kg | 189 (5.0) | ||
| 7–15 kg | 2064 (54.5) | ||
| >15 kg | 1533 (40.5) | ||
| Prepregnancy Body mass index (kg/m2) | |||
| Underweight <18.50 | 269 (7.1%) | ||
| Normal weight 18.50–24.99 | 2480 (65.5%) | ||
| Overweight 25.00–29.99 | 685 (18.1%) | ||
| I = Body mass index Obese > 30.00 | 352 (9.3%) |