Table 3.

Analysis of correlation between sleep quality and depressive symptoms in soccer participants (n = 172).

	M	SD	1	2	3	4	5	6	7	8
1	1.006	0.587	1.000
2	1.163	0.890	0.332**	1.000
3	0.814	0.831	0.257**	0.101	1.000
4	0.279	0.652	0.245**	0.207**	0.118	1.000
5	0.959	0.437	0.371**	0.228**	0.143	0.198**	1.000
6	0.134	0.358	0.100	0.097	0.013	0.038	0.093	1.000
7	1.174	0.775	0.335**	0.129	0.182	0.069	0.152	0.417**	1.000
8	0.359	0.371	0.376**	0.296**	0.146	0.124	0.304**	0.194	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.