Table 2.

Summary of means and standard deviations pre-intervention, post-intervention, and follow-up.

				Pre- to post-intervention
					Main effect		Between groups
Variable	Pre-score Mean (SD)	Post-score Mean (SD)	Follow-up Mean (SD)	d	${\eta }_p^2$	Sig.	${\eta }_p^2$	Sig.
PHQ-9 ATT	6.7 (4.3)	5.2 (3.7)	5.3 (0.7)	0.53	0.233	<0.001***	0.001	0.803
PHQ-9 MSC	7.5 (5.2)	5.9 (5.2)	5.7 (0.7)	0.57
GAD-7 ATT	6.0 (2.9)	4.4 (2.9)	4.4 (0.5)	0.71	0.278	<0.001***	0.001	0.732
GAD-7 MSC	7.1 (4.1)	5.7 (4.2)	5.8 (0.5)	0.54
SCS-SF ATT	34.5 (9.6)	39.2 (8.0)	39.9 (8.8)	0.82	0.313	<0.001***	0.009	0.402
SCS-SF MSC	34.3 (7.4)	37.8 (8.1)	38.1 (8.5)	0.55
DMQ flexibility ATT	15.5 (4.8)	17.4 (3.9)	17.6 (4.2)	0.51	0.264	<0.001***	0.001	0.844
DMQ flexibility MSC	14.1 (4.2)	16.2 (4.6)	16.3 (4.5)	0.73
FFMQ ATT	66.2 (10.3)	70.4 (9.8)	71.9 (10.8)	0.66	0.262	<0.001***	0.004	0.571
FFMQ MSC	62.7 (8.1)	66.1 (9.4)	67.7 (9.3)	0.53
Self-esteem ATT	2.6 (0.8)	3.0 (0.8)	3.1 (0.8)	0.27	0.062	0.025*	0.000	0.978
Self-esteem MSC	2.8 (0.7)	3.0 (0.7)	3.0 (0.7)	0.24
Test anxiety ATT	2.6 (0.8)	2.4 (0.7)	2.3 (0.9)	0.24	0.048	0.050*	0.001	0.807
Test anxiety MSC	2.5 (0.7)	2.4 (0.6)	2.2 (0.6)	0.20
Loneliness ATT	2.7 (0.7)	2.8 (0.7)	3.0 (0.6)	0.12	0.001	0.757	0.010	0.370
Loneliness MSC	2.6 (0.6)	2.6 (0.6)	2.7 (0.5)	0.07

Effect sizes and repeated-measures analysis of variances (ANOVA) results showing effect of intervention and differences in effect between groups pre- to post-intervention.

^***p < 0.001,

^*p ≤ 0.05.

ATT, Attention Training Technique; MSC, Mindful Self-Compassion; PHQ-9, Patient Health Questionnaire 9; GAD-7, Generalized Anxiety Disorder-7; SCS-SF, Self-Compassion Scale Short Form; DMQ flexibility, Attention Flexibility; FFMQ, Five Facet Mindfulness Questionnaire.