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Table 1 Treatment effects with mediator variable VO 2Max

From: Active video games: the mediating effect of aerobic fitness on body composition

  Treatment effect Difference in treatment effect Overall mediation
  Intervention Control      
Change from baseline Mean SE Mean SE Difference in means SE Lower 95% C.I. Upper 95% C.I. p
BMI (kg/m2)          
Main* 0.11 0.11 0.44 0.11 −0.33 0.12 −0.57 −0.08  
VO2Max# 0.13 0.11 0.43 0.11 −0.30 0.13 −0.56 −0.04 <.0001
Percentage % Body Fat          
Main* −0.99 0.29 −0.16 0.30 −0.83 0.36 −1.54 −0.12  
VO2Max# −0.93 0.32 −0.52 0.33 −0.41 0.39 −1.19 0.36 <.0001
  1. Note: * Main effect without mediator.
  2. # Mediator at post-intervention (24 weeks).