. Author manuscript; available in PMC: 2021 Dec 1.

Published in final edited form as: Behav Res Ther. 2020 Sep 28;135:103746. doi: 10.1016/j.brat.2020.103746

Table 2.

Subgroup Results

Moderator Variable	k	Hedges’ g	95% CI	Q_Between
Control Type
Active	8	−.19	−.40 to .02	4.47^*
Inactive	15	−.49^**	−.67 to −.31	4.47^*
Intervention Type
Mindfulness	14	−.33^**	−.51 to −.14	.54
Acceptance	9	−.44^**	−.69 to −.19	.54
Intervention Length
< 8 sessions	5	−.35^*	−.66 to −.04	.03
≥ 8 sessions	18	−.38^**	−.55 to −.20	.03
Study Population
Clinical	17	−.37^**	−.54 to −.21	.00
Non-Clinical	6	−.38^*	−.72 to −.03	.00

Note. k = number of studies

^**

p < .01

p < .05