Michael T Sanders, Karen L Bierman, Brenda S Heinrichs
Longitudinal Associations Linking Elementary and Middle School Contexts with Student Aggression in Early Adolescence
Journal of abnormal child psychology
evaluate effectiveness shaping healthy choices program shcp clustered randomized controlled intervention lasting 1 school year schools northern central california fourthgraders aged 910 years 2 control schools n 179 2 intervention schools n 230 gardenenhanced education family community partnerships increased regionally procured produce lunchroom schoolsite wellness committees changes body mass index bmi percentileszscores nutrition knowledge science process skills vegetable identification preferences reported fruit vegetable intake student test chisquare anova change multilevel regression mixed model evaluate change outcomes school random effect account cluster design effects statistical significance set p 05 greater improvement bmi percentile 608 p 001 bmi zscore 028 p 001 waisttoheight ratio 002 p 001 intervention compared control schools shcp resulted improvements nutrition knowledge vegetable identification significant decrease bmi percentiles supports concept shcp used improve health upper elementary school students