Table 2.
Baseline characteristics of pregnant women
| Control group (n=3148) | Intervention group (n=3219) | |
|---|---|---|
| Maternal age (years) | ||
| ≤20 | 442 (14·0%) | 499 (15·5%) |
| 21–25 | 1150 (36·5%) | 1117 (34·7%) |
| 26–30 | 828 (26·3%) | 838 (26·0%) |
| 31–35 | 400 (12·7%) | 503 (15·6%) |
| 36–40 | 226 (7·2%) | 215 (6·7%) |
| >40 | 34 (1·1%) | 46 (1·4%) |
| Data missing | 68 (2·2%) | 1 (0·0%) |
| Parity | ||
| Primiparous women | 740 (23·5%) | 611 (19·0%) |
| Average monthly household income (Israeli new shekel) | ||
| ≤200 | 122 (3·9%) | 93 (2·9%) |
| 201–900 | 1659 (52·7%) | 1678 (52·1%) |
| 901–1824 | 1004 (31·9%) | 970 (30·1%) |
| 1825–3054 | 184 (5·8%) | 201 (6·2%) |
| ≥3055 | 27 (0·9%) | 25 (0·8%) |
| Data missing | 152 (4·8%) | 252 (7·8%) |
| Years of education | ||
| <10 | 324 (10·3%) | 326 (10·1%) |
| 10–13 | 1316 (41·8%) | 1375 (42·7%) |
| >13 | 1403 (44·6%) | 1420 (44·1%) |
| Data missing | 105 (3·3%) | 98 (3·0%) |
| Age at first pregnancy (years) | ||
| ≤20 | 1522 (48·3%) | 1577 (49·0%) |
| 21–25 | 1278 (40·6%) | 1289 (40·0%) |
| 26–30 | 226 (7·2%) | 243 (7·5%) |
| 31–35 | 41 (1·3%) | 42 (1·3%) |
| 36–40 | 18 (0·6%) | 9 (0·3%) |
| >40 | 3 (0·1%) | 3 (0·1%) |
| Data missing | 60 (1·9%) | 56 (1·7%) |
| Medical and obstetric history | ||
| Type 2 diabetes | 13 (0·4%) | 15 (0·5%) |
| Caesarean section | 330 (10·5%) | 277 (8·6%) |
| Gestational diabetes | 32 (1·0%) | 25 (0·8%) |
| Perinatal death | 58 (1·8%) | 43 (1·3%) |
| Post-partum haemorrhage | 81 (2·6%) | 74 (2·3%) |
| Antepartum haemorrhage | 44 (1·4%) | 42 (1·3%) |
| Spontaneous miscarriage | 155 (4·9%) | 95 (3·0%) |
| Pre-eclampsia | 20 (0·6%) | 35 (1·1%) |
| Body-mass index (kg/m2) | ||
| <18·5 | 108 (3·4%) | 101 (3·1%) |
| 18·5–24·9 | 1149 (36·5%) | 1279 (39·7%) |
| 25·0–29·9 | 819 (26·0%) | 985 (30·6%) |
| ≥30·0 | 485 (15·4%) | 554 (17·2%) |
| Data missing | 587 (18·6%) | 300 (9·3%) |
Data are n (%).