Table 3.

Multiple logistic regression of association between clinical factors and gallstone disease among elderly agricultural and fishing screened subjects (n = 6,511).

Valuable	Gallstone disease (yes versus no)
	Male		Female		Total
	OR	95% CI	OR	95% CI	OR	95% CI
Sex (female versus male)	—	—	—	—	1.12	(1.03–1.28)
Age (yrs)
(65–74 yrs versus 60–64 yrs)	1.09	(1.00–1.20)	1.27	(1.11–1.39)	1.14	(1.02–1.32)
(75–84 yrs versus 60–64 yrs)	1.16	(1.03–1.30)	1.40	(1.18–1.63)	1.22	(1.04–1.41)
(≥85 yrs versus 60–64 yrs)	1.69	(1.33–2.08)	2.14	(1.77–2.52)	2.00	(1.49–2.55)
Obesity (yes versus no)	1.01	(0.86–1.17)	1.26	(1.09–1.44)	1.09	(0.95–1.24)
Metabolic syndrome
(One or two versus none)	1.13	(0.96–1.40)	1.48	(1.08–1.76)	1.33	(1.10–1.54)
(Three or more versus none)	1.52	(1.29–1.81)	2.01	(1.72–2.30)	1.69	(1.42–1.97)