“…The predicted direction of bias resulting from selection of participants into the study category was also commonly scored as high risk of bias (n = 9), 46,50,51,58,59,69,74,76,77 indicating that the study groups were nonequivalent at baseline and, typically, no multivariate regression was used to control for differences. More than three-quarters of the studies did not report intervention fidelity (n = 28), [44][45][46]48,50,51,[54][55][56][58][59][60][61]63,[65][66][67][68][69][70]73,74,76,78,83,88,89,93 making it difficult to determine how comprehensively the interventions were implemented.…”