The Association between Obesity-Risk Genes and Gestational Weight Gain Is Modified by Dietary Intake in African American Women

Table 3

The effect of gene-diet interactions on gestational weight gain.

		Gestational weight gain^a
		β	95% confidence interval			Pinteraction
Percentage of energy intake from fat		−0.34	−1.38	0.69	0.51
KCTD15 (rs11084753)	AG	3.44	0.30	6.57	0.03
	AA	−0.02	−4.56	4.51	0.99
	GG	Reference
Percentage of energy intake from fat × KCTD15	AG	1.80	0.35	3.25	0.02	0.048
	AA	0.96	−0.73	2.65	0.26
	GG	Reference
Percentage of energy intake from carbohydrate		−0.01	−0.57	0.54	0.96
KCTD15 (rs11084753)	AG	3.56	0.40	6.71	0.03
	AA	−0.59	−5.70	4.52	0.82
	GG	Reference
Percentage of energy intake from carbohydrate × KCTD15	AG	−0.80	−1.57	−0.03	0.04	0.10
	AA	−0.03	−2.11	2.06	0.98
	GG	Reference

^aProcess model 1 adjusted for maternal age, smoking, marital status, prepregnancy BMI, parity, and illicit drug use.