Table 6. Stratified analysis of interaction between BMI and rs4305.

BMI	Group	GG	GA	AA	G	A	P Value	OR	95% CI
<25	Case	160	261	95	581	451	P<0.001	1.41	1.19–1.66
	Control	271	334	75	876	484
≥25	Case	140	180	60	460	300	P = 0.85	1.02	0.81–1.30
	Control	77	116	28	270	172

The P values were obtained from the comparison of two allele frequencies. OR, odds ratio; CI, confidence interval.