Table 4.

Subgroup analysis between WWI with gallstone prevalence

Characteristic	Model 1 OR (95% CI)	Model 2 OR (95% CI)	Model 3 OR (95% CI)	P for interaction
Stratified by gender				0.2247
Male	2.16 (1.81,2.58)	1.68 (1.39,2.03)	1.48 (1.22,1.80)
Female	1.69 (1.52,1.88)	1.43 (1.27,1.60)	1.30 (1.15,1.46)
Stratified by age (years)				0.0017
< 40	2.35 (1.90,2.90)	2.01 (1.62,2.49)	1.83 (1.47,2.28)
≥ 40, < 60	1.89 (1.61,2.22)	1.66 (1.41,1.96)	1.45 (1.22,1.72)
≥ 60	1.52 (1.32,1.75)	1.29 (1.11,1.49)	1.15 (0.99,1.34)
Stratified by diabetes				0.4733
Yes	1.78 (1.45,2.18)	1.33 (1.07,1.64)	1.25 (1.01,1.55)
No	1.94 (1.75,2.14)	1.46 (1.30,1.64)	1.36 (1.21,1.53)
Stratified by hypertension				0.0209
Yes	1.64 (1.44,1.87)	1.27 (1.10,1.47)	1.19 (1.03,1.38)
No	2.05 (1.80,2.33)	1.59 (1.39,1.83)	1.49 (1.29, 1.72)
Stratified by sedentary time (min)				0.1541
< 210	1.70 (1.44,2.00)	1.28 (1.07,1.52)	1.20 (1.00,1.44)
≥ 210, < 330	1.92 (1.60,2.29)	1.40 (1.16,1.69)	1.28 (1.06,1.55)
≥ 330	2.19 (1.92,2.50)	1.64 (1.42,1.89)	1.47 (1.27,1.17)

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