Table 4.

Combined models of factors associated with GDM stratified by race

	non-Hispanic White	non-Hispanic Black	Hispanic	Asian	Other
Parents with a history of diabetes	1.97 (1.39–2.78)	1.14 (0.49–2.63)	1.30 (0.71–2.38)	0.91 (0.36–2.33)	2.91 (1.04–8.14)
Non-English primary language	–	–	2.03 (0.81–5.09)	6.21 (0.51–76.0)	–
Daily calorie intake (per 500 kcal)	1.25 (1.09–1.45)	1.23 (1.00–1.52)	1.04 (0.83–1.30)	1.05 (0.70–1.57)	0.92 (0.57–1.48)
Daily fiber intake (per 5 g)	0.78 (0.66–0.92)	0.85 (0.60–1.20)	0.90 (0.70–1.17)	1.13 (0.74–1.73)	0.92 (0.59–1.42)
Maternal age (per 5 y)	1.56 (1.33–1.83)	1.67 (1.22–2.28)	1.44 (1.13–1.82)	0.97 (0.62–1.54)	1.46 (0.92–2.32)
Prepregnancy BMI (per 5 kg/m2)	1.28 (1.03–1.59)	1.39 (0.86–2.24)	1.10 (0.72–1.69)	1.07 (0.55–2.09)	1.02 (0.44–2.35)
Waist circumference (per 10 cm)	1.20 (0.96–1.49)	1.07 (0.66–1.73)	1.43 (0.96–2.14)	1.96 (1.01–3.79)	1.24 (0.56–2.75)

Abbreviations: BMI, body mass index; GDM, gestational diabetes mellitus.

Note: Estimates adjusted for all factors that remained in the final parsimonious model after backward selection shown above. No evidence of interaction with race (p > 0.1 for all).