The association between the volume of the gallbladder based on sonographic findings and demographical data in the PERSIAN Guilan cohort study (PGCS)

Table 3 Multiple Linear regression analysis for association between demographic and clinical factors among patients according to the volume of gallbladder among the PERSIAN Guilan cohort study population

Variables	β	Standard error	Lower limit	Upper limit	P value
Age	0.04	0.05	− 0.07	0.15	0.461
Gender	5.98	1.01	4.01	7.94	< 0.001
Education	− 0.38	0.39	-1.14	0.38	0.325
BMI	0.61	0.09	0.42	0.78	< 0.001
SES	− 0.56	0.50	-1.55	0.42	0.260
MET	-1.21	0.50	-2.20	-0.22	0.017
Smoking	-1.42	1.01	-3.39	0.53	0.154
Alcohol consumption	0.08	0.51	-1.08	0.92	0.870
Diabetes	2.46	1.36	-0.21	5.14	0.072
Hypertension	1.09	0.92	-0.71	2.89	0.236
History of CVD	4.15	1.49	1.22	7.09	0.006

Body mass index (BMI), Social and economic status (SES), Metabolic equivalent of task (MET), Cardiovascular disease (CVD).

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