study names weights Diaz (lifestyle v standard) : 3.65% Klesges (lifestyle v control) 12 mo : 12.74% Okely (combined v diet only) : 17.37% Okely (combined v exercise only) : 17.64% Sacher (multicomponent v waitlist) 6mo: 9.33% Shalitin (combined v diet only) : 19.84% Shalitin (combined v exercise only) : 19.43% Continuous Random-Effects Model Metric: Mean Difference Model Results Estimate Lower bound -0.89 Upper bound -2.88 Std. error 1.10 1.02 Heterogeneity tau^2 4.51 Q(df=6) 22.12 Het. p-Value I^2 < 0.01 72.88 p-Value 0.38