Included in Study Sample		Excluded from Study Sample
	(n = 26,871)		(n = 25,815)
	Mean	S.D.	Mean	S.D.
Age	65.64	8.08	65.30	8.75
	N	%	N	%
Gender
F	15,974	59.45	14,107	54.65
M	10,897	40.55	11,708	45.35
Medicaid	4262	15.86	2861	16.77
Medicare/Railroad retirement coverage	15,189	56.53	7887	46.80
Private Health insurance	9031	33.61	4210	25.33