Table 2.

Predicting Mobility Difficulty at T2 (2014): Odds Ratios (SEs) From Weighted Lagged Dependent Variable Logistic Regression Models

Variables	Walk several blocks	Go up several flights of stairs	Lift and carry ~10 pounds	Stoop
Survey: HRS (MIDUS omitted)	0.613**	0.861	0.534**	0.655**
	(0.073)	(0.105)	(0.068)	(0.083)
Any difficulty with specified task at T1	11.421**	8.354**	7.005**	7.301**
	(2.394)	(1.536)	(1.400)	(1.306)
Difficulty at T1 × HRS	0.834	0.944	1.115	0.922
	(0.184)	(0.181)	(0.237)	(0.172)
Age (centered at age 50)	1.028**	1.020*	1.015	1.011
	(0.011)	(0.010)	(0.011)	(0.010)
Age (centered at age 50) squared	1.001**	1.001**	1.002**	1.001*
	(0.000)	(0.000)	(0.000)	(0.000)
Female	1.257**	1.388**	2.228**	1.238**
	(0.069)	(0.074)	(0.132)	(0.063)
Constant	0.245**	0.325**	0.153**	0.536**
	(0.024)	(0.033)	(0.016)	(0.055)
Observations	11,863	11,863	11,863	11,863
Model F-statistic (p-value)	265.97 (<.01)	289.41 (<.01)	252.22 (<.01)	258.24 (<.01)

Note: HRS = Health and Retirement Study; MIDUS = Midlife in the United States.

**p < .01. *p < .05.