Table 2. Multivariate analysis of factors associated with diabetes in pregnancy.
| Variable | Adjusted OR* (95%CI) | P-value† |
|---|---|---|
| Maternal BMI | ||
| Underweight: <18.5 | 0.53 (0.28–1.00) | 0.051 |
| Normal: 18.5–24.9 | 1.00 | |
| Overweight: 25.0–29.9 | 2.37 (2.00–2.80) | <0.001 |
| Obese: >30 | 5.88 (4.97–6.96) | <0.001 |
| Obese Class I: 30.0–34.9 | 4.64 (3.84–5.61) | <0.001 |
| Obese Class II: 35.0–39.9 | 8.08 (6.44–10.14) | <0.001 |
| Obese Class III: >40.0 | 9.99 (7.46–13.38) | <0.001 |
| Obesity‡ | ||
| No | 1.00 | |
| Yes | 3.97 (3.44–4.58) | <0.001 |
| Ethnicity | ||
| White | 1.00 | |
| S Asian | 3.15 (2.51–3.97) | <0.001 |
| E Asian | 3.10 (2.29–4.19) | <0.001 |
| Black | 1.28 (1.09–1.50) | 0.003 |
| Other | 1.31 (1.02–1.70) | 0.036 |
*AOR calculated using multivariate logistic regression, adjusted for maternal age, parity, deprivation and either BMI or ethnicity.
†P values calculated using Wald tests.
‡BMI ≥ 30 kg/m2