Table 1.

JBI critical appraisal of the included randomized controlled trials.

	Study	Narkwichean et al., 2017 [14]
Q1	Was true randomization used for assignment of participants to treatment groups?	Yes
Q2	Was allocation to treatment groups concealed?	Yes
Q3	Were treatment groups similar at the baseline?	Yes
Q4	Were participants blind to treatment assignment?	Yes
Q5	Were those delivering treatment blind to treatment assignment?	Yes
Q6	Were outcomes assessors blind to treatment assignment?	Yes
Q7	Were treatment groups treated identically other than the intervention of interest?	Yes
Q8	Was follow up complete and if not, were difference between groups in terms of their follow up adequately described and analyzed?	Yes
Q9	Were participants analyzed in the groups to which they were randomized?	Yes
Q10	Were outcomes measures in the same way for treatment groups?	Yes
Q11	Were outcomes measured in a reliable way?	Yes
Q12	Was appropriate statistical analysis used?	Yes
Q13	Was the trial design appropriate, and any deviations from the standard RCT design accounted for in the conduct and analysis of the trial?	Yes
	Total Score	100%