Table 3.

Total daily physical activity and incident disability controlling for covariates*

	Hazard for developing disability(95%CI)
Variable	Model A	Model B	Model C	Model D	Model E
Total daily physical activity	0.79(0.70,0.89)	0.75(0.67,0.85)	0.75(0.66,0.85)	0.76(0.67,0.86)	0.76(0.68,0.86)
Global Cognition	0.58(0.46,0.72)
Vascular Risks		1.07(0.89,1.29)
Vascular Disease		1.00(0.83,1.21)
Joint Pain			1.59(1.18,2.14)
Body Mass Index				1.06(1.03,1.09)
Depressive Symptoms					1.14(1.06,1.24)

*From discrete time proportional hazard models adjusted for age, sex, and education where incident disability is measured as years to first report of not being independent in at least one basic activity of daily living.