Table 2: Risk-of-bias ratings for included studies using Cochrane Collaboration’s tool (9)
StudySequence generationAllocation concealmentBlinding of participants/personnelBlinding of outcome assessorsIncomplete reportingSelective reportingOther bias
Champagne et al. (17)
Svetkey et al. (18)
ULHLLLL
Davidson et al. (12)UUUUHLH
Hauptman et al. (13)UUUUHHU
Hill et al. (14)UUUULLH
Richelsen et al. (15)LLUULLH
Rickel et al. (19)
Perri et al. (20)
Radcliff et al. (21)
UUHLLLL
Sjöström et al. (16)LUUULLH
Thomas et al. (22)LLHULLL

Note: H = high risk of bias, L = low risk of bias, U = unclear risk of bias.