TABLE 1. Demographic Characteristics of the Normative Aging Study Participants by Number of Visits.

	Age (Years) Percentiles			Obesity	Statin User	Diabetic	Smoking
	5th	50th	95th	%	%	%	Never (%)	Former (%)	Current (%)
Baseline (n = 777)	62	72	84	27	36	14	29	67	4
Among participants having 1 visit (n1 = 221)
Visit 1	64	76	88	30	40	18	26	70	4
Among participants having 2 visits (n2 = 217)
Visit 1	60	73	83	28	35	16	26	69	5
Visit 2	66	77	86	27	54	19	26	70	4
Among participants having 3 visits (n3 = 216)
Visit 1	62	71	82	25	36	9	29	68	3
Visit 2	66	74	86	26	52	13	28	69	3
Visit 3	69	78	89	25	62	17	27	71	2
Among participants having 4 visits (n4 = 120)
Visit 1	60	69	77	22	29	10	38	58	4
Visit 2	63	72	81	22	42	11	38	58	4
Visit 3	66	75	84	18	59	16	38	59	3
Visit 4	70	78	87	17	65	18	38	60	2
Among participants having 5 visits (n5 = 3)
Visit 1	62	66	66	33	33	0	33	67	0
Visit 2	65	68	70	33	33	0	33	67	0
Visit 3	68	70	72	33	0	0	33	67	0
Visit 4	71	73	74	33	0	0	33	67	0
Visit 5	73	76	77	33	33	0	33	7	0