Table 4.
Multiple linear regression model for CC16 shift-differences (post-shift–pre-shift)
| N | β | 95% CI | p value | ||
|---|---|---|---|---|---|
| Intercept | 669 | 37.67 | 19.34 | 56.00 | |
| Shift | |||||
| Early shift (reference) | 367 | 0 | |||
| Midday shift | 302 | − 5.34 | − 9.38 | − 1.29 | 0.0097 |
| Group | |||||
| Facility (reference) | 97 | 0 | |||
| Maintenance | 97 | − 1.80 | − 9.05 | 5.46 | 0.6277 |
| Mining | 475 | − 2.23 | − 7.94 | 3.47 | 0.4426 |
| Atopy (sx1 ≥ 0.35 kU/l) | |||||
| No (reference) | 384 | 0 | |||
| Yes | 285 | − 3.26 | − 7.24 | 0.73 | 0.1094 |
| Creatinine [mg/dl] (post) | 669 | − 25.74 | − 40.44 | − 11.04 | 0.0006 |
| Smoking status | |||||
| Never (reference) | 238 | 0 | |||
| Former | 137 | − 1.21 | − 6.70 | 4.29 | 0.6669 |
| Occasional | 63 | − 2.55 | − 9.72 | 4.62 | 0.4862 |
| Current | 231 | − 1.10 | − 5.81 | 3.61 | 0.6469 |
| Age [by 10 years] | 669 | − 1.06 | − 3.02 | 0.90 | 0.2907 |
The multiple model includes data from 669 subjects for whom values were available for all influencing parameters considered. In total, data from three subjects are not included due to missing smoking status (n = 2) or missing creatinine value (n = 1)
CI confidence interval