Table 3.

Results of the t test for the intervention and control groups at 4 different measurement times.

Time point comparisona	Control group			Second intervention group			Control group vs second intervention group
	t (df)	P value	t (df)		P value	Time point		t (df)	P value
T0–T1	1.433 (54)	.16	−1.341 (37)		.19	T0		−0.298 (91)	.77
T1–T2	0.379 (54)	.71	1.156 (37)		.26	T1		1.725 (89.7)	.09
T2–T3	−0.221 (54)	.83	1.357 (37)		.18	T2		2.349 (88.1)	.02b
T0–T3	1.681 (54)	.10	−0.893 (37)		.38	T3		1.597 (91)	.11

^aT0: Q3 2019, T1: Q2 2020, T2: Q3 2020, T3: Q4 2020.

^bSignificant at 95% CI; N=93.