Table 1 Baseline characteristics of mother-newborn included and excluded
Baseline characteristics | Included (n = 859) | Excluded (n = 236) | p-Value |
|---|---|---|---|
Maternal factors | |||
 Age at delivery (years) | 29.20 ± 5.13 | 29.43 ± 4.69 | 0.542 |
 Gestational age (weeks) | 39.39 ± 1.98 | 39.42 ± 1.82 | 0.837 |
In the third trimester of pregnancy | |||
 Hb (g/L) | 122.36 ± 13.10 | 120.53 ± 12.38 | 0.055 |
 FBG (mmol/L) a | 4.50 (4.20–4.90) | 4.50 (4.10–4.90) | 0.517 |
 Pre-pregnancy BMI (kg/m2) | 22.74 ± 1.52 | 22.70 ± 1.58 | 0.785 |
SES | Â | Â | 0.001 |
 Low | 298 (34.7) | 80 (33.9) |  |
 Moderate | 304 (35.4) | 52 (22.0) |  |
 High | 257 (29.9) | 104 (44.1) |  |
 Extra-sport activities during pregnancy | 377 (43.9) | 103 (43.6) | 0.947 |
 Smoking before pregnancy | 7 (0.8) | 3 (1.3) | 0.457 |
 Passive smoking during pregnancy | 196 (22.8) | 53 (22.5) | 0.907 |
 Drinking before pregnancy | 84 (9.8) | 31 (13.1) | 0.136 |
Dietary pattern | Â | Â | 0.875 |
 Vegetarian diet | 189 (22.0) | 52 (22.0) |  |
 Meat diet | 280 (32.6) | 73 (30.9) |  |
 Mixed diet | 390 (45.4) | 111 (47.0) |  |
 Cesarean delivery | 498 (58.0) | 141 (59.7) | 0.625 |
 Assisted reproductive technology | 59 (6.9) | 23 (9.7) | 0.137 |
 Hypertension during pregnancy | 30 (3.5) | 9 (3.8) | 0.814 |
Neonatal factors | |||
 Heel prick blood SF (ng/mL) | 89.27 ± 25.47 | 91.36 ± 18.82 | 0.164 |
 Birth weight | 3491.80 ± 273.28 | 3464.70 ± 297.23 | 0.208 |
 Apgar score at 5 min | 9.99 ± 0.13 | 9.99 ± 0.11 | 0.907 |
 Male sex | 524 (61.0) | 157 (66.5) | 0.121 |