Correlation analysis between sleep quality and depressive symptoms among rural elderly in China: An observational study

Table 3 Binary logistic regression analysis of different sleep dimensions and depression status (adjusted for total sleep score)

Variables	B	Standard error	Wald	P value	OR (95%CI)
Subjective sleep quality	0.726	0.097	56.337	< 0.001	2.066 (1.709-2.497)
Sleep onset time	0.907	0.093	94.592	< 0.001	2.476 (2.062-2.972)
Sleep duration	-0.001	0.115	< 0.001	0.993	0.999 (0.797-1.253)
Sleep efficiency	0.522	0.106	24.219	< 0.001	1.686 (1.369-2.076)
Sleep disturbance	0.738	0.148	24.982	< 0.001	2.092 (1.566-2.795)
Daytime dysfunction	1.217	0.081	225.585	< 0.001	3.378 (2.882-3.959)
Hypnotic drug use	0.508	0.214	5.649	0.017	1.662 (1.093-2.525)

OR: Odds ratio; CI: Confidence interval.