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.