Table 2.

Percent of active participants for three app use groups across two levels of barriers.^a

	Active app users, %			df	X 2	P value
	Non-users	Past users	Current users			Current users vs non-users	Current users vs past users	Non-users vs past users
All subjects	45.8	46.1	73	2	30.6b	<.001	.0001	.53
High barriers	32.2	23.8	60	2	20.7b	.001	.001	.44
Low barriers	68.7	72	84.1	2	7.2c	.004	.142	.37

^aComparisons of current app users, those who began using an app and then stopped, and those who never used an app on self-reported frequency of exercise. Exercise at a rate of twice per week was categorized as active.

^bIndicates a significant χ² at the P<.001 level.

^cIndicates a significant χ² at the P<.05 level.