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Table 7 Multivariable associations between work-family conflict, supervisor support and sleepiness

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

SOFI Sleepiness (n = 159)
 Model 1Model 2Model 3Model 4
βR2R2 changeβR2R2 changeβR2R2 changeβR2R2 change
Age−0.08  −0.05  −0.01  −0.01  
Gendera0.01  −0.01  0.01  0.01  
Workplaceb−0.17  − 0.17*  −0.13  −0.13  
Professional groupc0.11  0.09  0.14  0.14  
Typical time of workd0.12  0.03  −0.02  −0.02  
Job demands0.34***  0.27***  0.16*  0.16*  
 0.20***          
Sleeping troubles   0.32***  0.25**  0.25**  
    0.29***0.09***      
Work-family conflict      0.26**  0.25**  
Support from supervisor      −0.10  −0.10  
       0.35***0.06**   
Conflict*super-visor support         −0.04  
          0.35***0.00
  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