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

BMC Public Health

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

SOFI Sleepiness (n = 159)
	Model 1			Model 2			Model 3			Model 4
	β	R²	R² change	β	R²	R² change	β	R²	R² change	β	R²	R² change
Age	−0.08			−0.05			−0.01			−0.01
Gender^a	0.01			−0.01			0.01			0.01
Workplace^b	−0.17			− 0.17*			−0.13			−0.13
Professional group^c	0.11			0.09			0.14			0.14
Typical time of work^d	0.12			0.03			−0.02			−0.02
Job demands	0.34***			0.27***			0.16*			0.16*
Job demands		0.20***
Sleeping troubles				0.32***			0.25**			0.25**
Sleeping troubles					0.29***	0.09***
Work-family conflict							0.26**			0.25**
Support from supervisor							−0.10			−0.10
Support from supervisor								0.35***	0.06**
Conflict*super-visor support										−0.04
Conflict*super-visor support											0.35***	0.00

β – Standardized regression coefficient *Significant value: <0.05 ** Significant value: <0.01 ***Significant value: <0.001
^aFemale = 2. ^bTerminal = 1, Ferry ship = 2. ^cOfficers = 1, Non-officers = 2. ^dDay and Evening = 1, Day, Evening and Night = 2

ISSN: 1471-2458