Table 4.
Binary regression models for demographic variables, unit, and COVID-19.
| Dependent variable | Predictor variable | B | SE | Exp (β) | Wald/t | p |
|---|---|---|---|---|---|---|
| Age | (Constant) | .745 | .283 | 2.106 | 6.933 | 0.008 |
| Depersonalisation | -.053 | .013 | .931 | 28.485 | 0.000 | |
| Depression | -.116 | 0.036 | -.890 | 10.388 | 0.000 | |
| Post-traumatic stress | 0.032 | 0.006 | 1.032 | 29.977 | 0.000 | |
| Model statistics: Cox and Snell R2 = 0.059; Nagelkerke's R2 = 0.079; chi-square = 54.205; df = 3; p < 0.001b | ||||||
| COVID-19 unit | (Constant) | -1.945 | .389 | .143 | 24.973 | 0.000 |
| Emotional fatigue | .021 | 0.006 | 1.022 | 13.832 | 0.000 | |
| Personal fulfilment | .025 | .010 | 1.025 | 5.934 | 0.000 | |
| Model statistics: Cox and Snell R2 = 0.018; Nagelkerke's R2 = 0.024; chi-square = 15.669; df = 2; p < 0.001b | ||||||
| Primary care | (Constant) | 4.231 | 1.025 | 17.041 | 0.000 | |
| Personal fulfilment | -.046 | .016 | .955 | 8.547 | 0.003 | |
| Anxiety | -.084 | .037 | .920 | 5.139 | 0.023 | |
| Model statistics: Cox and Snell R2 = 0.020; Nagelkerke's R2 = 0.088; chi-square = 17.60; df = 7; p < 0.014a | ||||||
| COVID-19 specialisation | (Constant) | 33.039 | 2.296 | 14.38 | 0.000 | |
| Emotional fatigue | -3.261 | 1.253 | -1.0 | -2.602 | 0.009 | |
| Model statistic: R2 = 0.01; adjusted R2 = 0.009; F (6.772); p < 0.009a | ||||||
| Experience with direct care for COVID-19 patients | (Constant) | -.632 | .207 | .531 | 9.354 | 0.002 |
| Emotional fatigue | -.039 | .009 | 0.962 | 20.496 | 0.000 | |
| Anxiety | .096 | .029 | 1.101 | 10.985 | 0.001 | |
| Post-traumatic stress | -.021 | .008 | .979 | 6.994 | 0.008 | |
| Model statistic: R2 = 0.044; Nagelkerke's R2 = 0.065; chi-square = 54.693; df = 3; p < 0.001b | ||||||
| Contact with COVID-19 patients | (Constant) | .544 | .209 | 1.724 | 6.779 | 0.009 |
| Emotional fatigue | .046 | .009 | 1.047 | 26.612 | 0.000 | |
| Anxiety | -.111 | .030 | .895 | 13.965 | 0.000 | |
| Post-traumatic stress | .026 | .008 | 01.026 | 10.138 | 0.001 | |
| Model statistic: Cox and Snell R2 = 0.060; adjusted R2 = 0.089; chi-square = 54.693; df = 3; p < 0.001b | ||||||
| COVID-19 positive | (Constant) | -1.940 | .202 | .144 | 91.967 | 0.000 |
| Post-traumatic stress | .013 | .006 | 1.013 | 4.676 | 0.031 | |
| Model statistic: Cox and Snell R2 = 0.005; Nagelkerke's R2 = 0.009; chi-square = 4.733; df = 1; p < 0.030a | ||||||
Note. B = unstandardised B coefficient or SE = standard error, Exp(β) = standardised beta coefficient, Wald or t = test statistic, R2 = coefficient of determination, p = probability value.
ap < 0.05.
bp < 0.001