Table 1.

Demographic information of all participants.

Characteristics		Iteration 1 (n=6)	Iteration 2 (n=5)
Age (years), mean (SD)		78.3 (7.3)	81 (3.7)
Gender, n (%)
	Males	1 (17)	1 (20)
	Females	5 (83)	4 (80)
Education, n (%)
	High school diploma	N/Aa	3 (60)
	Bachelor’s degree	1 (17)	N/A
	Master’s degree	2 (33)	2 (40)
	PhD	3 (50)	N/A
Smartphone usage, n (%)		5 (83)	4 (80)
Tablet usage, n (%)		3 (50)	3 (60)
Falls in past year, range (median)		0-5 (2)	0-2 (0)

^aN/A: not applicable.