TABLE 2.
Association between BW and NAFLD in men and women, using multiple logistic regression
| Men (n = 23,780) | β coefficient | Model 0 | β coefficient | Model 1 | β coefficient | Model 2 | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OR | 95% CI | p value | OR | 95% CI | p value | OR | 95% CI | p value | ||||
| BW (kg) | −0.84 | 0.0008 | − 0.53 | 0.0444 | −0.51 | 0.0506 | ||||||
| BW2 (kg2) | 0.13 | 0.0005 | 0.08 | 0.042 | 0.08 | 0.0446 | ||||||
| Age (years) | 0.05 | 1.05 | (1.05–1.06) | <0.0001 | 0.05 | 1.05 | (1.05–1.06) | <0.0001 | ||||
| Education level (ISCED‐2011) | <0.0001 | <0.0001 | ||||||||||
| ≤4 | 0 | 1 | (Ref) | 0 | 1 | (Ref) | ||||||
| Between 5 and 6 | − 0.31 | 0.73 | (0.66–0.80) | −0.27 | 0.76 | (0.69–0.83) | ||||||
| ≥7 | −0.82 | 0.44 | (0.41–0.48) | −0.73 | 0.48 | (0.44–0.52) | ||||||
| Leisure physical activity | ||||||||||||
| Never | 0 | 1 | (Ref) | <0.0001 | ||||||||
| <2 h a week | −0.54 | 0.58 | (0.53–0.64) | |||||||||
| ≥2 h a week | −0.94 | 0.39 | (0.36–0.43) | |||||||||
| Nutrition score (unit = 1) | −0.01 | 0.99 | (0.99–1.00) | 0.06 | ||||||||
| Women (n = 31,254) | β coefficient | Model 0 | β coefficient | Model 1 | β coefficient | Model 2 | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OR | 95% CI | p value | OR | 95% CI | p value | OR | 95% CI | p value | ||||
| BW (kg) | −1.27 | <0.0001 | −0.97 | 0.0031 | −0.99 | 0.003 | ||||||
| BW2 (kg2) | 0.22 | <0.0001 | 0.16 | 0.0017 | 0.17 | 0.001 | ||||||
| Age (years) | 0.03 | 1.03 | (1.03–1.04) | <0.0001 | 0.04 | 1.04 | (1.03–1.04) | <0.0001 | ||||
| Education level (ISCED‐2011) | <0.0001 | <0.0001 | ||||||||||
| ≤4 | 0 | 1 | (Ref) | 0 | 1 | (Ref) | ||||||
| Between 5 and 6 | −0.48 | 0.62 | (0.56–0.69) | −0.42 | 0.66 | (0.59–0.74) | ||||||
| ≥7 | −1.08 | 0.34 | (0.30–0.38) | −0.99 | 0.37 | (0.33–0.42) | ||||||
| Leisure physical activity | <0.0001 | |||||||||||
| Never | 0 | 1 | (Ref) | |||||||||
| <2 h a week | −0.63 | 0.53 | (0.48–0.60) | |||||||||
| ≥2 h a week | −1.02 | 0.36 | (0.32–0.42) | |||||||||
| Nutrition score (unit = 1) | 0 | 1 | (0.99–1.01) | 0.46 | ||||||||
Model 0: crude association. Model 1: Model 0 + adjustment for age and education level (ISCED). Model 2: Model 1 + adjustment for nutrition score and leisure physical activity. Only beta coefficients are given for BW, as there are two terms for this variable in the model.