Table 2.

Multivariate analysis for risk factors of NAFLD

Variables	Unadjusted OR (95% CI)	P value	Adjusted OR (95% CI)	P value
Age
Less than 40 years	Reference		Reference
More than 40 years	2.45 (1.83 to 3.29)	<0.001	1.54 (1.04 to 2.28)	0.03
Sex
Female	Reference		Reference
Male	1.56 (1.17 to 2.08)	0.003	2.86 (1.6 to 6.03)	0.006
BMI
Under-normal weight	Reference		Reference
Overweight	4.36 (2.51 to 7.58)	<0.001	3.32 (1.81 to 6.08)	<0.001
Obese	13.85 (8.86 to 21.66)	<0.001	7.90 (4.77 to 13.05)	<0.001
DM
Absent	Reference		Reference
Present	5.82 (4.12 to 8.23)	<0.001	2.21 (1.43 to 3.41)	<0.001
Metabolic syndrome
Absent	Reference		Reference
Present	7.40 (5.40 to 1014)	<0.001	1.72 (1.11 to 2.67)	0.015
Abdominal obesity
Absent	Reference		Reference
Present	4.68 (3.49 to 6.27)	<0.001	2.26 (1.72 to 3.99)	<0.001
Hypertension
Absent	Reference		Reference
Present	3.62 (2.69 to 4.87)	<0.001	1.89 (1.28 to 2.79)	0.001
Dyslipidaemia
Absent	Reference		Reference
Present	3.69 (2.06 to 6.59)	<0.001	2.31 (1.18 to 4.51)	0.014

Marital status, smoking habits, occupation and religions and education status did not achieve statistical significance.

BMI, body mass index; DM, diabetes mellitus; NAFLD, non-alcoholic fatty liver disease.