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Table 4 Multivariable analyses

From: Work fatigue among Lebanese physicians and students during the COVID-19 pandemic: validation of the 3D-Work Fatigue Inventory (3D-WFI) and correlates

Variable Unstandardized Beta Standardized Beta p 95% CI
Model 1: Linear regression taking the physical work fatigue as the dependent variable.
 Marital status (married vs singlea) 0.15 0.01 0.852 −1.40-1.70
 Resident vs attending physiciana 0.71 0.06 0.557 −1.67-3.10
 Intern vs attending physiciana 2.21 0.16 0.097 −0.40-4.81
 Monthly income (intermediate vs lowa) −0.38 − 0.03 0.673 −2.15-1.39
 Monthly income (high vs lowa) 1.00 0.08 0.416 −1.42-3.42
 Pressure from long working hours during the pandemic (yes vs noa) 2.58 0.12 0.007 0.73–4.44
 Pressure from increased administrative tasks during the pandemic (yes vs noa) −0.24 −0.01 0.829 −2.44-1.95
 Number of night duty hours per month 0.02 0.24 < 0.001 0.01–0.03
 Stressful events in one’s life 0.93 0.14 0.002 0.36–1.51
 Depression 0.38 0.34 < 0.001 0.28–0.48
Nagelkerke R2 = 32.6%
Model 2: Linear regression taking the mental work fatigue as the dependent variable.
 Marital status (married vs singlea) −0.02 −0.001 0.983 −1.56-1.52
 Resident vs attending physiciana 1.29 0.11 0.266 −0.99-3.56
 Intern vs attending physiciana 2.40 0.18 0.064 −0.14-4.93
 Monthly income (intermediate vs lowa) −0.02 −0.002 0.980 −1.76-1.72
 Monthly income (high vs lowa) 0.35 0.03 0.773 −2.06-2.76
 Pressure from the coronavirus during the pandemic (yes vs noa) −0.16 −0.01 0.785 −1.27-0.96
 Pressure from the long working hours during the pandemic (yes vs noa) 3.71 0.18 < 0.001 1.85–5.56
 Stressful events in one’s life 1.27 0.20 < 0.001 0.70–1.83
 Depression 0.41 0.37 < 0.001 0.31–0.51
Nagelkerke R2 = 31.8%
Model 3: Linear regression taking the emotional work fatigue as the dependent variable.
 Pressure from the political instability in the country (yes vs noa) 1.44 0.05 0.228 −0.91-3.79
 Pressure from the long working hours during the pandemic (yes vs noa) 1.97 0.08 0.053 −0.03-3.98
 Stressful events in one’s life 2.06 0.28 < 0.001 1.43–2.68
 Depression 0.54 0.43 < 0.001 0.43–0.65
Nagelkerke R2 = 32.6%
  1. aReference group