Effects of online mindfulness-based interventions (MBIs) on anxiety symptoms in adults: a systematic review and meta-analysis

Table 4 Continuous Moderators of the Effects of Mindfulness based intervention on Depression

Moderator	k	Slope	SE	Tau²	Q_model	p
Study characteristic
Publication year	30	− 0.072	0.04	0.09	3.23	0.072
Sample characteristic
Age (mean)	22	− 0.001	0.01	0.10	0.03	0.855
Method characteristic
%Attrition	29	− 0.001	0.01	0.06	4.59	0.032
Reliability of anxiety instruments	12	-2.38	2.67	0.10	0.08	0.375
Intervention characteristics
Intervention length (total week)	26	− 0.011	0.02	0.09	0.20	0.653
Online MBI sessions per week	27	− 0.024	0.02	0.08	1.69	0.194
Duration of Online MBI min./session	9	0.000	0.00	0.05	0.00	0.944
Dose (Length x Duration)	8	0.00	0.00	0.05	0.01	0.943
Days After intervention measured	30	− 0.001	0.00	0.10	0.23	0.635

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