Factors influencing anxiety and depression among patients with digestive tract subepithelial lesions

Table 4 Relationships between anxiety, depression, and sleep quality indicators

	SAS		SDS
	r	P value	r	P value
Subjective sleep quality	0.161	0.006	0.253	< 0.0001
Sleep onset latency	0.124	0.033	0.149	0.010
Sleep duration	0.108	0.064	0.209	0.0003
Sleep efficiency	0.157	0.007	0.114	0.051
Sleep disturbances	0.048	0.406	0.094	0.107
Hypnotic medication use	0.010	0.864	0.030	0.602
Daytime dysfunction	0.212	0.0002	0.057	0.325
Total PSQI score	0.304	< 0.0001	0.338	<0.0001

SAS: Self-Rating Anxiety Scale; SDS: Self-Rating Depression Scale; PSQI: Pittsburgh Sleep Quality Index.