Association of cumulative noise exposure and cumulative length of night shift work with non-alcoholic fatty liver disease
| Cumulative noise exposure (dB(A)·years) | Cumulative length of night shift work (hours) | |||
| ≤730 | 730– | 1460– | 2920– | |
| OR (95% CI) | OR (95% CI) | OR (95% CI) | OR (95% CI) | |
| <85 | Ref | 1.49 (1.04, 2.12)* | 1.27 (0.82, 1.94) | 1.34 (0.64, 2.76) |
| 85– | 0.88 (0.6, 1.27) | 1.45 (1.05, 1.99)* | 1.61 (1.14, 2.26)** | 1.99 (1.29, 3.07)** |
| 90– | 1.24 (0.76, 1.97) | 1.31 (0.85, 1.99) | 1.41 (1.00, 1.98) * | 1.54 (1.08, 2.21)* |
| 95– | 1.98 (0.89, 4.26) | 1.61 (0.72, 3.48) | 1.67 (0.95, 2.88) | 2.01 (1.34, 2.99)*** |
*p<0.05, **p<0.01, ***p<0.001.
Bold values are p<0.05.
Adjust for age, smoking and drinking status, fruit and vegetable, high-salt foods, high-fat foods, late evening snack, body mass index, sleep duration, physical activity, blood pressure, ECG, fasting plasma glucose, haemoglobin, importance of noise protection equipment, long working hours, dust, benzene series.