Table 2.
Logistic regression analyses for investigation of the association between BMI and fatty liver.
| BMI (kg/m2) | Model 1 | Model 2 | Model 3 | |||
|---|---|---|---|---|---|---|
| OR (95% CI) | P | OR (95% CI) | P | OR (95% CI) | P | |
| Total | ||||||
| <18.5 | 0 | 0.996 | 0 | 0.996 | 0 | 0.996 |
| 18.5–23.9 | Reference | Reference | Reference | |||
| 24–27.9 | 7.28(5.64–10.58) | 2.91 × 10−37 | 6.45(4.67–8.92) | 1.61 × 10−29 | 3.55(2.49–5.06) | 2.79 × 10−12 |
| ≥28 | 28.21(19.51–40.79) | 1.75 × 10−70 | 23.96(16.47–34.86) | 6.59 × 10−62 | 7.59(4.91–11.71) | 6.56 × 10−20 |
| Gender | ||||||
| Male | ||||||
| <18.5 | 0 | 0.998 | 0 | 0.998 | 0 | 0.998 |
| 18.5–23.9 | Reference | Reference | Reference | |||
| 24–27.9 | 6.01(4.19–8.63) | 1.94 × 10−22 | 6.01(4.19–8.63) | 2.73 × 10−22 | 3.41(2.29–5.08) | 1.57 × 10−9 |
| ≥28 | 21.44(14.11–32.58) | 8.94 × 10−47 | 21.44(14.11–32.58) | 8.95 × 10−47 | 7.04(4.33–11.45) | 3.33 × 10−15 |
| Female | ||||||
| <18.5 | 0 | 0.997 | 0 | 0.997 | 0 | 0.997 |
| 18.5–23.9 | Reference | Reference | Reference | |||
| 24–27.9 | 8.48(4.25–16.95) | 1.42 × 10−9 | 7.34(3.62–14.88) | 3.18 × 10−8 | 3.55(1.52–8.25) | 0.003 |
| ≥28 | 36.38(15.81–83.76) | 2.96 × 10−17 | 30.11(12.85–70.56) | 4.63 × 10–15 | 14.80(5.00–43.80) | 1.12 × 10−6 |
| Age | ||||||
| <50 years | ||||||
| <18.5 | 0 | 0.996 | 0 | 0.996 | 0 | 0.996 |
| 18.5–23.9 | Reference | Reference | Reference | |||
| 24–27.9 | 9.65(6.521–14.28) | 8.12 × 10−30 | 7.90(5.28–11.84) | 1.09 × 10−23 | 4.15(2.67–6.45) | 2.63 × 10−10 |
| ≥28 | 39.06(25.10–60.80) | 2.76 × 10−59 | 31.89(20.72–50.15) | 9.58 × 10−51 | 9.62(5.76–16.07) | 5.40 × 10−18 |
| ≥50 years | ||||||
| <18.5 | 0 | 0.998 | 0 | 0.998 | 0 | 0.998 |
| 18.5–23.9 | Reference | Reference | Reference | |||
| 24–27.9 | 4.38(2.57–7.46) | 5.49 × 10−8 | 4.03(2.35–6.91) | 4.09 × 10−7 | 2.74(1.48–5.07) | 0.001 |
| ≥28 | 11.07(5.38–22.75) | 6.24 × 10−11 | 10.64(5.16–21.94) | 1.53 × 10−10 | 3.82(1.54–9.47) | 0.004 |
| Hypertension | ||||||
| Yes | ||||||
| <18.5 | 0 | 0.999 | 0 | 0.999 | 0 | 0.999 |
| 18.5–23.9 | Reference | Reference | Reference | |||
| 24–27.9 | 5.71(2.74–11.91) | 3.41 × 10−6 | 6.02(2.83–12.80) | 3.10 × 10−6 | 3.66(1.60–8.39) | 0.002 |
| ≥28 | 15.93(7.27–34.87) | 4.42 × 10−12 | 15.92(7.19–35.28) | 9.14 × 10−12 | 6.40(2.58–15.88) | 6.31 × 10−5 |
| No | ||||||
| <18.5 | 0 | 0.996 | 0 | 0.996 | 0 | 0.996 |
| 18.5–23.9 | Reference | Reference | Reference | |||
| 24–27.9 | 7.75(5.46–11.00) | 1.95 × 10−30 | 6.15(4.29–8.81) | 4.17 × 10−23 | 3.37(2.27–5.00) | 1.69 × 10−9 |
| ≥28 | 31.13(20.19–48.00) | 1.23 × 10−54 | 25.65(16.50–39.87) | 4.23 × 10−47 | 8.21(4.94–13.62) | 3.95 × 10−16 |
Model 1: unadjusted; Model 2: adjusted for age and/or gender; Model 3: adjusted for age and/or gender and/or hypertension, total cholesterol, triglycerides, glucose, HDL, LDL, uric acid, Hcy, creatinine, AST, ALT.