Effects of mindfulness-based intervention programs on sleep among people with common mental disorders: A systematic review and meta-analysis

Table 3 Research design and level of evidence

Ref.	Research design	Level of evidence
Wahbeh[29], 2018	RCT, crossover design	II
Boettcher et al[50], 2014	RCT, crossover design	II
Wahbeh et al[47], 2016	RCT, multi-group pre-/post-test design	II
Britton et al[49], 2012	RCT, pre-/post-test control group design	II
Vøllestad et al[51], 2011	RCT, crossover design	II
Britton et al[48], 2010	RCT, pre-/post-test control group design	II
Hoge et al[52], 2013	RCT, two group pre-/post-test design	II
Horenstein et al[45], 2019	RCT, multi-group pre-/post-test design	II
Pinniger et al[46], 2013	RCT, multi-group pre-/post-test design	II
Stötter et al[31], 2013	RCT, pre-/post-test control group design	II

RCT: Randomised controlled trial.