Table 1 General and obstetric characteristics of mothers according to pre-pregnancy BMI
From: Relationships between pregnancy outcomes, biochemical markers and pre-pregnancy body mass index
Pre-pregnancy BMI | P-value | ||||
|---|---|---|---|---|---|
Underweight (n=111) | Normal weight (n=363) | Overweight (n=67) | Obese (n=67) | ||
Gestational period at baseline (week) | 27.8±4.6a | 26.3±4.2 | 26.1±3.7 | 27.3±5.0 | 0.060b |
Age (years) | 30.7±3.6a | 32.3±4.0b | 32.8±3.7b | 32.9±3.8b | <0.001 |
Educational years | |||||
⩽12 | 17 (17.0)c | 56 (17.3) | 16 (25.8) | 30 (50.8) | <0.001d |
>12 | 83 (83.0) | 268 (82.7) | 46 (74.2) | 29 (49.2) | |
Monthly income level ($) | |||||
⩽1800 | 14 (14.1) | 41 (12.8) | 11 (17.7) | 19 (32.8) | 0.002 |
>1800 | 85 (85.9) | 279 (87.2) | 51 (82.3) | 39 (67.2) | |
Employment status | |||||
Yes | 33 (32.4) | 126 (39.7) | 28 (45.2) | 11 (20.0) | 0.014 |
No | 69 (67.6) | 191 (60.3) | 34 (54.8) | 44 (80.0) | |
Number of family members (person) | 2.7±1.0 | 2.7±0.9 | 3.0±1.1 | 3.0±1.3 | 0.076 |
Total number of pregnancies | 1.9±1.1a | 2.2±1.2ab | 2.0±1.0ab | 2.4±1.3b | 0.025 |
Morning sickness | |||||
Yes | 45 (50.0) | 119 (40.8) | 36 (62.1) | 21 (42.0) | 0.018 |
No | 45 (50.0) | 173 (59.2) | 22 (37.9) | 29 (58.0) | |
