Association between weight-adjusted-waist index and gallstones: an analysis of the National Health and Nutrition Examination Survey

Table 2 Logistic regression analysis between WII and gallstone prevalence

WWI groups	Model 1 OR (95% CI)	Model 2 OR (95% CI)	Model 3 OR (95% CI)
Continuous	1.98 (1.81,2.17)	1.49 (1.34,1.65)	1.34 (1.20,1.49)
Categories
Tertile 1 (< 10.77)	1.0	1.0	1.0
Tertile 2 (≥ 10.77, < 11.50)	2.11 (1.70,2.62)	1.55 (1.24,1.95)	1.40 (1.11,1.76)
Tertile 3 (≥ 11.50)	3.89 (3.17,4.76)	2.13 (1.69,2.67)	1.71 (1.35,2.17)
P for trend	2.20 (1.96,2.46)	1.54 (1.35,1.75)	1.35 (1.19,1.55)

Model 1: no covariates were adjusted
Model 2: age, gender, race, income-to-poverty ratio, marital status, and education level were adjusted
Model 3: gender, age, race, education level, marital status, income-to-poverty ratio, caffeine consumption, alcohol consumption, triglyceride, hypertension, diabetes, smoking status, sedentary time, energy intake, fat intake, sugar intake, water intake, and dietary fiber were adjusted

ISSN: 1471-230X