Table 4.

Analysis of correlation between sleep quality and depressive symptoms in exercise non-participants (n = 124).

	M	SD	1	2	3	4	5	6	7	8
1	1.363	0.839	1.000
2	1.589	0.928	0.522**	1.000
3	1.169	0.935	0.271**	0.281**	1.000
4	0.315	0.603	0.228	0.159	0.149	1.000
5	1.113	0.407	0.345**	0.104	0.086	0.110	1.000
6	0.194	0.489	0.259**	0.148	0.120	0.008	0.226	1.000
7	1.427	0.866	0.587**	0.368**	0.143	0.064	0.097	0.332**	1.000
8	0.659	0.479	0.595**	0.405**	0.133	0.014	0.384**	0.289**	0.396**	1.000

^**p < 0.01. 1, Perceived sleep quality; 2, Sleep latency; 3, Sleep duration; 4, Sleep efficiency; 5, Sleep disturbance; 6, Use of sleep medication; 7, Daytime dysfunction; 8, PHQ-9.