The mediating role of daily living ability and sleep in depression and cognitive function based on a structural equation model

Table 2 Correlation analysis of depression symptoms, the ability of daily living, poor sleep quality, and cognition

Variables	Depression symptoms	Cognition	The ability of daily living	Poor sleep quality
Depression symptoms	1.000
Cognition	-0.232^**	1.000
The ability of daily living	-0.115^**	0.095^**	1.000
Poor sleep quality	0.471^**	-0.124^**	-0.066^**	1.000

ISSN: 1471-2318