Bivariate analysis of potential associations with HBW (>3850 g) deliveries
| Variable | Total N | HBW N | HBW (%) | OR | 95% CI | p Value |
|---|---|---|---|---|---|---|
| Maternal age (N=200) (years) | ||||||
| ≤36 | 189 | 26 | 13.8 | 1.0 | ||
| >36 | 11 | 2 | 18.2 | 0.7 | 0.2 to 3.5 | 0.50 |
| Average amount spent per day | ||||||
| <US$1 | 39 | 2 | 5.1 | 1.0 | ||
| ≥US$1 | 143 | 24 | 16.8 | 3.7 | 0.8 to 16.5 | 0.05 |
| Gravidity | ||||||
| <5 | 171 | 24 | 14.0 | 1.0 | ||
| ≥5 | 29 | 4 | 13.8 | 1.0 | 0.3 to 3.2 | 0.61 |
| Gestational age (weeks) | ||||||
| ≤40 | 168 | 24 | 14.3 | 1.0 | ||
| >40 | 32 | 4 | 12.5 | 1.2 | 0.4 to 3.6 | 0.52 |
| Previous HBW | ||||||
| No | 178 | 20 | 11.2 | 1.0 | ||
| Yes | 22 | 8 | 36.4 | 4.5 | 1.7 to 12.1 | <0.01 |
| History of diabetes | ||||||
| Yes | 2 | 0 | 0.0 | – | ||
| No | 198 | 28 | 14.1 | – | – | 0.74 |
| Family history of diabetes | ||||||
| No | 173 | 23 | 13.3 | 1.0 | ||
| Yes | 27 | 5 | 18.5 | 1.5 | 0.5 to 4.3 | 0.32 |
| Maternal height (cm) | ||||||
| ≤160 | 96 | 12 | 12.5 | 1.0 | ||
| >160 | 103 | 16 | 15.5 | 1.3 | 0.6 to 2.9 | 0.34 |
| Weight gain in pregnancy (kg) | ||||||
| ≤15 | 89 | 11 | 12.4 | 1.0 | ||
| >15 | 43 | 10 | 23.3 | 2.2 | 0.8 to 5.5 | 0.09 |
| Prepregnancy BMI (kg/m2) | ||||||
| <25 | 77 | 8 | 10.4 | 1.0 | ||
| ≥25 | 54 | 13 | 24.1 | 2.7 | 1.0 to 7.2 | 0.03 |
BMI, body mass index; HBW, high birth weight.