Table 1.

Participant characteristics.

Characteristics		eFHSa (n=15)	Hospital-based sample (n=15)	P value
Age (years)					.48
	Mean (SD)	72 (4.2)	70.6 (6.2)
	Range	64-80	62-79
Women, n (%)		6 (40)	7 (46.7)	.71
Non-White, n (%)		0 (0)	8 (53.3)	.002
Hispanic, n (%)		0 (0)	3 (20)	.22
Smartphone owner, n (%)b
	iPhone	9 (60)	6 (42.9)	.36
	Android	6 (40)	8 (53.3)	.36
Bachelor degree and higher, n (%)		10 (66.7)	9 (60)	.71
Marital status (married, living as married), n (%)		12 (80)	8 (53.3)	.12
Income <US $55,000, n (%)c		4 (31)	5 (33)	.89
Subjective health, very good or excellent, n (%)		13 (86.7)	5 (33.3)	.003

^aeFHS: electronic Framingham Heart Study.

^bAll offspring participants owned a smartphone (iPhone or Android); 1 hospital-based participant did not own a smartphone.

^cIncome of 2 participants in eFHS sample was unknown.