Table 4.

Scores of the components of the PSQI according to the level of physical activity.

	Physical activity level			t	p	Cohen's d
	Total (N=855)	Sufficiently Physically Active (N=529-61.87%)	Insufficiently Physically Active (N=325-38.01%)
	M (SD)	M (SD)	M (SD)
PSQI Total	6.55 (3.293)	6.11 (3.206)	7.26 (3.308)	5.022	< .001	0.35
Comp.1-Sleep quality	1.22 (0.751)	1.13 (0.731)	1.35 (0.762)	4.146	< .001	0.30
Comp.2-Sleep latency	1.39 (0.939)	1.31 (0.930)	1.52 (0.941)	3.073	.002	0.23
Comp.3-Sleep duration	0.90 (0.872)	0.85 (0.852)	0.98 (0.893)	2.056	.040	0.15
Comp.4-Sleep efficiency	0.48 (0.789)	0.43 (0.739)	0.58 (0.857)	2.626	.009	0.19
Comp.5-Sleep disturbance	1.15 (0.457)	1.12 (0.452)	1.19 (0.459)	2.247	.025	0.15
Comp.6-Use of medication	0.30 (0.716)	0.27 (0.699)	0.34 (0.743)	1.306	.192
Comp.7-Daytime dysfunction	1.12 (0.853)	1.00 (0.814)	1.30 (0.877)	5.018	< .001	0.36

PSQI Total.- Total score of Pittsburgh Sleep Quality Index