. 2019 Sep 25;7(9):e12606. doi: 10.2196/12606

Table 2.

Differences between current users, past users, and nonusers.

Items per week		Current users (n=384)			Past users (n=670)			Nonusers (n=191)			Kruskal-Wallis and Mann-Whitney U rank sum tests, chi-square (df)^b	P value
Items per week		P25^a	M^a	P75^a	P25^a	M^a	P75^a	P25^a	M^a	P75^a
Time, VPA^c (min)
	Total	23	60	126	0	30	80	0	2	73	104.36 (1242)	<.001
	Male	17	60	120	2	30	90	0	20	90	43.87 (463)	<.001
	Female	37	90	180	0	25	60	0	0	60	49.42 (776)	<.001
Time, MPA^d (min)
	Total	20	60	150	1	30	84	0	20	90	59.11 (1242)	<.001
	Male	20	60	120	2	40	100	0	30	120	26.31 (463)	<.001
	Female	22	90	180	0	30	80	0	20	60	27.45 (776)	<.001
Walk time (min)
	Total	50	140	280	45	120	210	21	105	210	9.42 (1242)	.009
	Male	60	140	280	50	125	250	40	140	315	0.27 (463)	.88
	Female	45	140	247	45	120	210	11	90	120	14.60 (776)	.88
Sedentary behavior (min)
	Total	60	600	1698	120	840	2100	50	630	2100	6.53 (1242)	.04
	Male	60	420	1440	60	720	2100	60	630	2100	0.46 (463)	.80
	Female	90	760	2100	180	900	2100	42	647	1890	14.34 (776)	.80
Social support score
	Total	14	21	25	12	18	22	11	17	21	156.67 (1242)	<.001
	Male	14	19	24	12	18	22	11	17	21	21.87 (463)	<.001
	Female	14	21	25	12	18	22	12	16	19	20.03 (776)	<.001
Self-efficacy score
	Total	16	20	24	12	16	19	10	16	19	124.66 (1242)	<.001
	Male	16	19	23	12	17	21	11	17	21	38.72 (463)	<.001
	Female	17	21	25	12	16	18	9	15	18	75.93 (776)	<.001
Rate of reaching the WHO^e standard (%)
	Total	66.7			42.1			35.9			385.0 (1242)	<.001
	Male	77.4			49.8			46.3			23.3 (463)	<.001
	Female	60			38.5			29.8			19.5 (776)	<.001

^aP25 is the upper quartile, M is the median, and P75 is the lower quartile.

^bThe rate of reaching the WHO standard was tested using a Pearson chi-square test. Others were tested using Kruskal-Wallis and Mann-Whitney U rank sum tests.

^cVPA: vigorous-intensity physical activity.

^dMPA: moderate-intensity physical activity.

^eWHO: World Health Organization.