Table 3.

Results of the ITT repeated measures MANOVAs.

	Pre-intervention – post-intervention (T1 – T2)						Pre-intervention – follow-up I (T1 – T3)						Pre-intervention – follow-up II (T1 – T4)
Outcome	V	F	df1	df2	p	ηp2	V	F	df1	df2	p	ηp2	V	F	df1	df2	p	ηp2
Mindfulness
Group effect	0.10	1.13	15	513	0.323	0.03	0.12	1.44	15	513	0.126	0.04	0.11	1.34	15	513	0.174	0.04
Time effect	0.30	14.33	5	169	<0.001	0.30	0.33	16.54	5	169	<0.001	0.33	0.30	14.60	5	169	<0.001	0.30
Interaction effect	0.09	1.01	15	513	0.440	0.03	0.08	0.96	15	513	0.493	0.03	0.08	0.88	15	513	0.582	0.03
Mindfulness characteristics
Group effect	0.03	0.76	6	346	0.601	0.01	0.02	0.69	6	346	0.654	0.01	0.02	0.45	6	346	0.843	0.01
Time effect	0.18	18.95	2	172	<0.001	0.18	0.12	11.70	2	172	<0.001	0.12	0.23	25.68	2	172	<0.001	0.23
Interaction effect	0.02	0.51	6	346	0.802	0.01	0.03	0.97	6	346	0.448	0.02	0.04	1.08	6	346	0.375	0.02
Emotional regulation
Group effect	0.04	0.68	9	519	0.724	0.01	0.03	0.51	9	519	0.868	0.01	0.03	0.61	9	519	0.789	0.01
Time effect	0.19	13.07	3	171	<0.001	0.19	0.25	19.27	3	171	<0.001	0.25	0.16	10.93	3	171	<0.001	0.16
Interaction effect	0.02	0.38	9	519	0.944	0.01	0.05	0.91	9	519	0.519	0.02	0.02	0.49	9	519	0.914	0.01
Mental health
Group effect	0.01	0.24	9	519	0.988	0.00	0.04	0.82	9	519	0.603	0.01	0.03	0.50	9	519	0.877	0.01
Time effect	0.09	5.88	3	171	<0.001	0.09	0.21	15.03	3	171	<0.001	0.21	0.08	5.01	3	171	0.002	0.08
Interaction effect	0.08	1.49	9	519	0.148	0.03	0.06	1.12	9	519	0.348	0.02	0.07	1.39	9	519	0.190	0.02
Attentional abilities
Group effect	0.02	0.36	9	519	0.956	0.01	0.04	0.85	9	519	0.569	0.02	–	–	–	–	–	–
Time effect	0.57	76.08	3	171	<0.001	0.57	0.36	31.48	3	171	<0.001	0.36	–	–	–	–	–	–
Interaction effect	0.06	1.27	9	519	0.253	0.02	0.02	0.33	9	519	0.966	0.01	–	–	–	–	–	–

Bold values represent the statistically significant results.