Table 3. Multiple Linear Regression Analyses Predicting Self-Rated Health of 17,930 Adults, Health and Retirement Study (HRS), 2006, 2008, and 2010^a .

Characteristic	Self-Rated Healthb
	Time 1		Time 2		Time 3
	β	P Value	β	P Value	β	P Value
Model 1c
Age	−.063	<.001	−.049	<.001	−.049	<.001
Education	.286	<.001	.286	<.001	.249	<.001
Model 2c
DWR	.090	<.001	.090	<.001	.103	<.001
Depression	−.276	<.001	−.240	<.001	−.219	<.001
Sleep	.148	<.001	.120	<.001	.117	<.001
Mild activities	.140	<.001	.115	<.001	.085	<.001
Smoking	−.074	<.001	−.081	<.001	−.094	<.001
BMI	−.120	<.001	−.118	<.001	−.126	<.001
Model 1 R2	.090	<.001	.077	<.001	.067	<.001
ΔR2	.204	<.001	.156	<.001	.140	<.001
R2	.294	<.001	.233	<.001	.207	<.001
F Model 1d	440.223	<.001	385.342	<.001	370.426	<.001
F Model 2d	463.205	<.001	290.346	<.001	227.575	<.001

Abbreviations: DWR, delayed word recall; BMI, body mass index.

^a P values calculated using multiple and simple regression; significance set at P < .05.

^b Time 1, 2006 data; Time 2, 2008 data; Time 3, 2010 data.

^c Data for age, years of education, DWR, depression, sleep, mild activities, smoking, and BMI are from 2006 HRS data.

^d F test for model.