Significant positive intervention effects were found for average SSB consumption ( B -0.19 litres , 95 % CI -0.28 ; -0.10 ; parent report ) , average SSB servings ( B -0.54 servings , 95 % CI -0.82 ; -0.26 ; parent report ) and bringing SSB to school ( OR 0.51 , 95 % CI 0.36 ; 0.72 ; observation report ) .