Table 2.

Repeated-measures ANOVA results for 12-min run distance and score between feedback groups.

Outcome	Time point	Weekly feedback group (n = 15)	Monthly feedback group (n = 15)	Time			Group			Time × group
				F	p	η2	F	p	η2	F	p	η2
12-min run distance (m)	Baseline	2139.33 ± 270.22	2168.00 ± 226.15	41.45	<0.001***	0.754	0.64	0.429	0.022	4.29	0.024*	0.241
	Week 4	2369.07 ± 222.96	2246.93 ± 209.96
	Week 8	2497.33 ± 189.49	2417.33 ± 160.20
12-min run score	Baseline	42.67 ± 28.09	47.00 ± 24.19	37.64	<0.001***	0.736	0.47	0.50	0.016	6.49	0.005**	0.325
	Week 4	65.67 ± 19.07	52.33 ± 25.06
	Week 8	77.00 ± 12.93	71.00 ± 18.54

Data are presented as mean ± SD. A repeated-measures ANOVA was conducted to examine the effects of group, time, and group × time interaction. Greenhouse–Geisser correction was applied when sphericity was violated. ^*p < 0.05, ^**p < 0.01, ^***p < 0.001.