Nonalcoholic fatty liver disease is associated with benign gastrointestinal disorders

Table 6 Multivariable logistic regression for factors associated with nonalcoholic fatty liver disease compared to other liver diseases using principal diagnoses

Variable	P value	OR (95%CI)
Age (reference ≤ 70 yr)	< 0.0001	0.84 (0.81-0.88)
Gender (reference female)	< 0.0001	0.55 (0.53-0.56)
Diabetes	< 0.0001	1.38 (1.35-1.42)
Obesity	< 0.0001	4.75 (4.61-4.89)
Dyslipidemia	< 0.0001	2.51 (2.44-2.58)
Location (reference central metropolitan)	< 0.0001
50000-250000 population		1.21 (1.14-1.27)
Fringe metropolitan		1.12 (1.09-1.17)
Metro 250000 - one million population		1.15 (1.11-1.20)
Micropolitan		1.44 (1.37-1.51)
Other		1.37 (1.29-1.45)
Income (reference > $63000)	< 0.0001
$39000-$47999		0.80 (0.77-0.83)
$48000-$63000		0.86 (0.83-0.89)
< $39000		0.64 (0.62-0.67)
Payer (reference private insurance)	< 0.0001
Medicaid		0.42 (0.40-0.43)
Medicare		0.47 (0.46-0.49)
No charge		0.60 (0.52-0.69)
Other		0.54 (0.50-0.58)
Self-pay		0.62(0.59-0.65)
Principal discharge diagnosis
Appendicitis	< 0.0001	3.53 (2.96-4.22)
Benign pancreatitis	< 0.0001	2.95 (2.79-3.12)
Diverticular disease	< 0.0001	4.26 (3.89-4.67)
Esophagitis	< 0.0001	1.69 (1.48-1.93)
Gallstone disorders	< 0.0001	3.59 (3.40-3.79)
Gastroduodenitis	< 0.0001	2.09 (1.91-2.29)
Hepatobiliary malignancies	< 0.0001	0.29 (0.22-0.37)
Hernia	0.01	1.23 (1.04-1.45)
Inflammatory bowel disease	< 0.0001	3.64 (3.10-4.28)