Table 3. Differences in the mean levels of the three burnout dimensions between change in night shifts groups.
| Model 1 a | Model 2 b | Model 3 c | |||||||
|---|---|---|---|---|---|---|---|---|---|
| βd (95% CI) | P-value e | βd (95% CI) | P-value e | βd (95% CI) | P-value e | ||||
| Emotional exhaustion | |||||||||
| No night shifts | Reference | 0.16 | Reference | 0.01 | Reference | 0.01 | |||
| No increase in night shifts | -0.65 (-3.28–1.97) | -3.27 (-6.31– -0.23) | -2.70 (-5.48–0.07) | ||||||
| Increase in night shifts | -2.73 (-5.67–0.21) | -5.30 (-8.55– -2.04) | -4.49 (-7.46– -1.52) | ||||||
| Depersonalization | |||||||||
| No night shifts | Reference | 0.62 | Reference | 0.33 | Reference | 0.08 | |||
| No increase in night shifts | -0.25 (-1.92–1.43) | -1.40 (-3.35–0.55) | -1.97 (-3.70– -0.23) | ||||||
| Increase in night shifts | 0.58 (-1.29–2.45) | -0.60 (-2.68–1.49) | -1.30 (-3.16–0.55) | ||||||
| Poor personal accomplishment | |||||||||
| No night shifts | Reference | 0.047 | Reference | 0.65 | Reference | 0.87 | |||
| No increase in night shifts | 2.15 (0.18–4.13) | 0.84 (-1.47–3.15) | 0.60 (-1.65–2.84) | ||||||
| Increase in night shifts | 2.51 (0.30–4.73) | 1.15 (-1.32–3.62) | 0.43 (-2.00–2.85) | ||||||
a Adjusted for age, sex, and having worked in a COVID-19 ward. b Model 1 + change in night shifts. c Model 2 + the relevant burnout dimension in 2019. d Multivariable-adjusted mean differences (β) compared to the reference categories. e Wald chi-square test (2 degrees of freedom).