Table 3. Mean Pre–Post Between-Group Effect Sizes for Total Mindfulness and Mindfulness Facet Scores.

Mindfulness measure	n	Hedges’ g	95% CI	z	p
Note. CI = confidence interval; CAMS–R = Cognitive Affective Mindfulness Scale—Revised; KIMS = Kentucky Inventory of Mindfulness Skills; FMI = Freiburg Mindfulness Inventory; MAAS = Mindful Attention Awareness Scale; FFMQ = Five Facet Mindfulness Questionnaire.
CAMS–R total	2	.52	[.17, .87]	2.89	.004
KIMS total	3	.36	[−.15, .88]	1.39	.17
FMI total	3	.08	[−.17, .32]	.64	.53
MAAS total	9	−.06	[−.25, .14]	−.59	.55
FFMQ total	15	.25	[.10, .40]	3.34	<.001
Observing	17	.24	[.09, .38]	3.18	.001
Describing	16	.05	[−.05, .15]	1.00	.32
Acting with awareness	17	.02	[−.08, .12]	.43	.67
Nonjudging	17	.14	[.05, .23]	3.10	.002
Nonreactivity	15	.23	[.08, .39]	2.91	.001