Main characteristics of included randomized controlled trials

Main characteristics of included randomized controlled trials in systematic review and network meta-analysis, consisted of (1) basic information, including first author, country, and year of publication, (2) participant characteristics, including mean (standard deviations) age, sample size, and percentage of boys, (3) intervention type, length of intervention, frequency, and duration, (4) outcome measures (pre-test and post-test means and standard deviations), and (5) major finding.