Table 3.

Correlation Analysis of the Pittsburgh Sleep Quality Index and the Beck Anxiety Inventory^*

	Subjective sleep quality	Sleep latency	Sleep duration	Habitual sleep efficiency	Sleep disturbances	Use of sleeping medication	Daytime dysfunction	Total PSQI score**
BAI	r=0.471	r=0.299	r=0.089	r=0.216	r=0.446	r=0.111	r=0.433	r=0.480
score	p<0.001	p=0.001	p=0.326	p=0.016	p=<0.001	p=0.219	p<0.001	p<0.001

^*Spearman correlation analysis.

BAI: Beck Anxiety Inventory; PSQI: Pittsburgh Sleep Quality Index.