Table 4.

The CASP assessment table below represents the appraisal of three RCTs included

QUESTIONS	Mazzagila et al. (2016)	Arts et al. (2017)	Karlsson et al. (2018)
Did the study address a clearly focused research question?	Y	Y	Y
Was the assignment of participants to interventions randomised?	Y	Y	Y
Were all participants who entered the study accounted for at its conclusion?	CT	CT	Y
Were the participants, investigators., and the people assessing/analysing outcome/s ‘blind’ to intervention they were given?	Y	CT	Y
Were the study groups similar at the start of the randomised controlled trial?	Y	N	N
Apart from the experimental intervention, did each study group receive the same level of care (that is. were they treated equally)?	Y	N	CT
Were the effects of intervention reported comprehensively?	Y	Y	Y
Was the precision of the estimate of the intervention or treatment effect reported?	CT	CT	CT
Do the benefits of the experimental intervention outweigh the harms and costs?	N	N	Y
Can the results be applied to your local population ‘in your context?	CT	CT	N
Would the experimental intervention provide greater value to the people in your care than any of the existing interventions?	Y	Y	Y