. 2018 May 21;15(5):1034. doi: 10.3390/ijerph15051034

Table 5.

Associations between occupational stress and sleep quality.

Job Stress	n	Subjective Sleep Quality	Sleep Latency	Sleep Duration	Sleep Efficiency	Sleep Disturbances	Daytime Dysfunction
Low	126	0.92 ± 0.63	0.90 ± 0.56	0.41 ± 0.61	0.13 ± 0.33	1.22 ± 0.68	1.00 ± 0.62
Moderate	252	1.04 ± 0.60	0.89 ± 0.62	0.51 ± 0.69	0.21 ± 0.44	1.16 ± 0.62	1.17 ± 0.62 ^a
High	126	1.11 ± 0.72	0.92 ± 0.41	0.40 ± 0.66	0.08 ± 0.27 ^b	1.46 ± 0.59 ^a,b	1.52 ± 0.69 ^a,b
χ² value		5.359	1.282	3.095	9.049	20.596	39.112
p value		0.069	0.527	0.213	0.011	<0.001	<0.001

Notes: Compared with low job stress levels, ^a p < 0.017; Compared with moderate job stress levels, ^b p < 0.017.