Table 3.
Combined models of factors associated with GDM
| All factors combined, aOR (95% CI) | All factors with stepwise backward selection (Model 4), aOR (95% CI)a | |
|---|---|---|
| Experience of discrimination | ||
| Low | Ref | – |
| Moderate | 1.17 (0.86–1.59) | |
| High | 1.13 (0.73–1.74) | |
| Parents with a history of diabetes | 1.71 (1.32–2.21) | 1.72 (1.33–2.23) |
| Non-English primary language | 2.50 (1.11–5.62) | 2.57 (1.14–5.79) |
| Prepregnancy counseling about gestational weight gain | 1.27 (1.00–1.29) | – |
| Daily calorie intake (per 500 kcal) | 1.18 (1.08–1.29) | 1.18 (1.08–1.29) |
| Daily fiber intake (per 5 g) | 0.84 (0.74–0.94) | 0.84 (0.75–0.94) |
| Proportion of calories from fat (per 10%) | 1.00 (0.98–1.02) | – |
| Maternal age (per 5 y) | 1.49 (1.33–1.67) | 1.53 (1.37–1.70) |
| Prepregnancy BMI (per 5 kg/m2) | 1.19 (1.00–1.42) | 1.21 (1.02–1.44) |
| Waist circumference (per 10 cm) | 1.20 (0.80–2.38) | 1.21 (1.03–1.43) |
| Chronic hypertension | 1.38 (0.80–2.38) | – |
Abbreviations: aOR, adjusted odds ratio; BMI, body mass index; CI, confidence interval; GDM, gestational diabetes mellitus.
a
Estimates adjusted for all factors that remained in the final parsimonious model after backward selection are shown above. No evidence of interaction with race (p > 0.1 for all).