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Table 4 Multivariable associations between work-family conflict, supervisor support and physical exertion

From: Fatigue in ferry shipping employees: the role of work-family conflict and supervisor support

SOFI Physical exertion (n = 152)
 Model 1Model 2Model 3Model 4
βR2R2 changeβR2R2 changeβR2R2 changeβR2R2 change
Age− 0.02  −0.02  0.02  0.03  
Gendera− 0.06  −0.06  −0.05*  −0.09  
Workplaceb−0.14  −0.15  −0.09  −0.10  
Professional groupc−0.03  −0.06  −0.02*  −0.07  
Typical time of workd0.19*  0.11  0.06  0.06  
Job demands0.27**  0.20*  0.11  0.11  
 0.13**          
Sleeping troubles   0.31***  0.23**  0.23**  
    0.21***0.08***      
Work-family conflict      0.16  0.12  
Support from supervisor      −0.18*  −0.18*  
       0.26***0.05**   
Conflict*super-visor support         −0.25**  
          0.32***0.06**
  1. β – Standardized regression coefficient *Significant value: <0.05 ** Significant value: <0.01 ***Significant value: <0.001
  2. aFemale = 2. bTerminal = 1, Ferry ship = 2. cOfficers = 1, Non-officers = 2. dDay and Evening = 1, Day, Evening and Night = 2