Characteristics of study and control groups
| Study (n=122) | Controls (n=122) | p Value | Odds ratio | |
|---|---|---|---|---|
| *For each 1 kg increase in birth weight. | ||||
| †For each 1% of weight lost. | ||||
| ‡Caesarean section v partum spontaneous and instrumental delivery. | ||||
| §Breast v formula and combined feeding. | ||||
| Mean (SD) birth weight (g) | 3604 (381) | 3411 (416) | <0.001 | 3.39* |
| Range | 2585–4510 | 2390–4655 | <0.001 | 3.39* |
| Mean (SD) gestational age (weeks) | 40.35 (0.9) | 40.34 (0.9) | NS | |
| Male/female (%) | 47.1/52.9 | 51.2/48.8 | NS | |
| Mean (SD) maternal age (years) | 30.1 (4.9) | 28.35 (4.4) | <0.01 | |
| No of primipara | 52 (43%) | 51 (41.8%) | NS | |
| Mean (SD) weight loss (%) | 7.8 (2.1) | 4.8 (7.1) | <0.001 | 1.73† |
| No of patients with weight loss >10% | 16 (13.3%) | 2 (1.8%) | =0.001 | |
| Labour mode | ||||
| Partum spontaneous | 83 (68%) | 100 (83.3%) | ||
| Caesarean section | 31 (25.4%) | 10 (8.3%) | <0.005 | 1.74‡ |
| Instrument | 8 (6.6%) | 10 (8.3%) | ||
| Feeding mode | ||||
| Breast fed primarily | 94 (78.3%) | 43 (35.8%) | ||
| Formula only | 1 (0.8%) | 20 (16.7%) | <0.001 | 6.47§ |
| Combined | 25 (20.8%) | 57 (47.5%) | ||