Table 3.

Results of the Hierarchy Regression Analysis (N=204)

Variables	Step 1		Step 2		Step 3		Step 4
Beta	p	Beta	p	Beta	p	Beta	p
Age	−0.080	0.300	−0.131	0.067	−0.121	0.040	−0.131	0.024
Being female	−0.004	0.956	−0.037	0.609	0.040	0.505	0.081	0.178
Being single	−0.077	0.322	−0.067	0.350	−0.082	0.161	−0.101	0.083
Higher education	0.182	0.025	0.131	0.085	0.033	0.603	0.062	0.326
Living alone	−0.032	0.662	0.007	0.914	−0.059	0.297	−0.076	0.170
Higher income	0.144	0.074	−0.127	0.084	0.120	0.046	0.128	0.032
Cognitive function (MoCA)			0.071	0.312	0.087	0.130	0.055	0.345
Functional status (FAQ)			−0.416	<0.001	−0.114	0.066	−0.082	0.189
Depressive symptoms (GDS)					−0.599	<0.001	−0.564	<0.001
Sleep quality (PSQI)							−0.169	0.004
R2	4%		21.6%		46.9%		49.1%
Change in R2			17.6% (p<0.001)		25.3% (p<0.001)		3.8% (p=0.004)

Abbreviations: Beta, standardized coefficient; MoCA, montreal cognitive assessment; FAQ, functional activities questionnaire; GDS, geriatric depression scale; PSQI, Pittsburgh sleep quality index.