Sharon I. Kirkpatrick|Jill Reedy|Eboneé N. Butler|Kevin W. Dodd|Amy F. Subar|Frances E. Thompson|Robin A. McKinnon
Dietary Assessment in Food Environment Research
National Cancer Institute|University of Waterloo|National Cancer Institute|National Cancer Institute|University of North Carolina at Chapel Hill|National Cancer Institute|National Cancer Institute|National Cancer Institute|National Cancer Institute
existing evidence food environments diet inconsistent potentially heterogeneity measures used assess diet objective review conducted 20122013 examine measures dietary intake utilized food environment researchincluded studies published january 2007 june 2012 assessed relationships least one food environment exposure least one dietary outcome fiftyone articles identified using pubmed scopus web knowledge psycinfo references listed papers reviewed relevant review articles national cancer institutes measures food environment website frequency use dietary intake measures assessment specific dietary outcomes examined patterns results among studies using different dietary measuresthe majority studies used brief instruments screeners one two questions assess intake food frequency questionnaires used quarter studies one ten used 24hour recalls fewer one 20 used diaries little consideration dietary measurement error evident associations food environment diet consistently expected direction studies using less errorprone measuresthere tendency toward use brief dietary assessment instruments low cost burden rather detailed instruments capture intake less bias use errorprone dietary measures may lead spurious findings reduced power detect associations