Table 3

Multivariate logistic regression of association between DII with the gallstone in DENA Persian cohort (n=3626)

DII variable category		Unadjusted OR	P value	Adjusted OR*	P value
DII quartile	Q1				–
	Q2	0.66 (0.44–0.98)	0.040	O.72 (0.45–1.14)	0.161
	Q3	0.57 (0.37–0.87)	0.009	0.59 (0.36–0.95)	0.032
	Q4	0.52 (0.34–0.81)	0.003	0.51 (0.30–0.84)	0.009
Trend pvalue	0.011
DII (continuous)		0.21 (0.07–0.69)	0.009	0.25 (0.07–0.88)	0.033
Binary DII	<0				–
Binary DII	≥0	0.74 (0.52–1.05)	0.092	0.71 (0.47–1.07)	0.110

*Adjust for age, sex, years of school, BMI, smoking, alcohol, tobacco, drug use, diabetes, fatty liver, LDL and HDL.
BMI, body mass index; DII, Dietary Inflammatory Index; HDL, high-density lipoprotein; LDL, low-density lipoprotein.