Gabriel Domínguez-Martín, Pedro J Tárraga-López, José Francisco López-Gil
Relationship between perceived physical literacy and obesity-related outcomes in adolescents: the EHDLA study
Frontiers in public health
although recommended schools hub efforts improve child nutrition research describing school nutrition environments us public schools associations child health limited study aimed evaluate applicability factor analysis methods characterize school nutrition environments identifying underlying factors dimensions observed data examine relation school nutrition environment dimensions child anthropometric dietary outcomes study examined crosssectional sample 4635 us children aged 415 386 us elementary middle schools healthy communities study 20132015 data collected schools used create 34 variables assessed school nutrition environment identify dimensions school nutrition environments exploratory factor analysis conducted orthogonal rotation factor scores derived using methods account sporadic missing data mixedeffects regression models adjusted child communitylevel variables clustered community school examined associations school nutrition environment dimensions child anthropometric dietary outcomes six dimensions school nutrition environments derived nutrition education food options wellness policies dining environment unhealthy food restriction nutrition programs unhealthy food restriction dimension negatively associated added sugar intake 113 p 00001 wellness policies dimension positively associated waist circumference 057 p 001 study demonstrates factor analysis reduce multiple measures complex school nutrition environments conceptually cohesive dimensions purposes assessing relation dimensions student healthrelated outcomes findings mixed indicate restriction unhealthy foods school associated lower added sugar intake additional longitudinal studies needed substantiate utility method identifying promising school nutrition environments