Table 1.

Participant characteristics.

Characteristic			Total sample (N=44)		Subsample with qualitative interviews (n=10)
Age (years), mean (SD)			74 (6.3)		76.5 (8.1)
Sex, n (%)
	Women	38 (86)		9 (90)
Race and ethnicity, n (%)
	White	38 (86)		9 (90)
	Black	3 (7)		1 (10)
	Hispanic	1 (2)		0 (0)
	Other	2 (5)		0 (0)
Education, n (%)
	High school graduate	1 (2)		0 (0)
	Some college or vocational	7 (16)		2 (20)
	College graduate	18 (41)		5 (50)
	Masters or higher degree	18 (41)		3 (30)
Smoking history, n (%)
	Never smoked	25 (57)		6 (60)
	Former smoker	19 (43)		4 (40)
	Current smoker	0 (0)		0 (0)
Total number of medical conditions, mean (SD)			2.5 (0.9)		2.6 (1.0)
Steps per day, mean (SD)			4516 (1437)		4201 (1315)
Lives alone, n (%)			24 (55)		6 (60)