Table 2.

Analysis between METS-IR index with gallbladder stone prevalence.

Characteristic	Model 1 OR (95%CI)	Model 2 OR (95%CI)	Model 3 OR (95%CI)
METS-IR Index	1.0315 (1.0253, 1.0377)	1.0379 (1.0311, 1.0447)	1.0330 (1.0258, 1.0403)
Categories
Tertile 1	1	1	1
Tertile 2	1.8199 (1.4079, 2.3525)	1.9242 (1.4748, 2.5104)	1.8026 (1.3766, 2.3604)
Tertile 3	2.9243 (2.2957, 3.7250)	3.5126 (2.7205, 4.5354)	2.9859 (2.2853, 3.9014)

Model 1=no covariates were adjusted.

Model 2=Model 1+age, gender, race education, marital status were adjusted.

Model3=Model 2+, diabetes, blood pressure, PIR, total water, total kcal, total sugar, smoked, physical activity, alcohol use, serum cholesterol were adjusted.