. 2021 Sep;60(3):476–482. doi: 10.20471/acc.2021.60.03.19

Table 5. Evaluation of interference with leisure time and family responsibilities in the system of shift work, sleep problems and type of morningness/eveningness caused by this system.

	Group	M	SD	t	df	p value
Interference with leisure time	First shift	2.06	1.080	-7.370	155	<0.001*
Interference with leisure time	Shift work	3.35	1.104	-7.370	155	<0.001*
Interference with family responsibilities	First shift	2.12	1.038	-7.112	155	<0.001*
Interference with family responsibilities	Shift work	3.33	1.088	-7.112	155	<0.001*
Sleep problems	First shift	2.71	1.441	-7.701	136	<0.001*
Sleep problems	Shift work	4.25	1.013	-7.701	136	<0.001*
Eveningness	First shift	12.19	2.920	-1.855	155	0.066
Eveningness	Shift work	13.06	2.940	-1.855	155	0.066

*p<0.05