Melanie K Bean, Hollie A Raynor, Laura M Thornton, Alexandra Sova, Mary Dunne Stewart, Suzanne E Mazzeo
Reliability and Validity of Digital Imagery Methodology for Measuring Starting Portions and Plate Waste from School Salad Bars
Journal of the Academy of Nutrition and Dietetics
schools play important role providing access physical activity opportunities children common economic gender disparities physical activity healthrelated fitness among children may inform schools programming needs purpose study gain better understanding gender schoollevel socioeconomic status childrens cardiorespiratory fitness observational study used 20172018 school year data schools dallas metropolitan area participating healthy zone school hzs program three data sources integrated 1 fitnessgram data 2 schoollevel data texas education agency 3 hzs survey data healthy fitness zone hfz aerobic capacity dependent variable gender percentage economically disadvantaged students schoollevel key independent variables mixedeffects logistic regression models examined associations dependent independent variables final models adjusted age type aerobic test 67 schools 15052 students included analysis testing main effects girls lower odds hfz aerobic capacity boys 054 ci 047062 additionally greater percentage students economically disadvantaged associated lower odds hfz aerobic capacity 098 ci 098099 significant interaction gender percentage economically disadvantaged students results indicated girls even lower odds boys hfz schools 90 economically disadvantaged students 044 ci 035055 versus schools 15 economically disadvantage students 062 ci 051076 results suggest girls healthy zone schools lower odds meet aerobic capacity fitness standards boys additionally boys girls schools serving greater percentage economically disadvantaged students lower odds meet aerobic capacity fitness standards last girls even lower odds meeting hfz standard attending school serving greater percentage economically disadvantaged students thus schools need provide programs girls targeting aerobic physical activity especially important schools serving high percentage lowincome students