2. Silveira JA, Taddei JA, Guerra PH, Nobre MR. The effect of participation in school-based nutrition education interventions on body mass index: a meta-analysis of randomized controlled community trials. Prev Med. 2013 Mar;56(3-4):237-43 - Isolated Nutrition Education interventions: -0.33 (95%CI: -0.55, -0.11; 8 trials; n=8,491; I2=95%)