Inge Spronk|Charina Kullen|Catriona A. Burdon|Helen O’Connor
Relationship between nutrition knowledge and dietary intake
Wageningen University & Research|University of Wollongong|University of Sydney|University of Sydney
present systematic review examined relationship nutrition knowledge dietary intake adults mean age 18 years relevant databases searched earliest record november 2012 search terms included nutrition diet food knowledge energy intake feeding behaviour diet eating nutrient food intake consumption included studies original research articles used instruments providing quantitative assessment nutrition knowledge dietary intake statistical association initial search netted 1 193 393 potentially relevant articles twentynine eligible inclusion conducted community populations n 22 fewer n 7 athletic populations due heterogeneity methods used assess nutrition knowledge dietary intake metaanalysis possible majority studies 655 community 636 athletic 714 reported significant positive weak r lt 05 associations higher nutrition knowledge dietary intake often higher intake fruit vegetables however study quality ranged widely participant representation lower socioeconomic status limited participants tertiary educated female welldesigned studies using validated methodologies needed clarify relationship nutrition knowledge dietary intake diet quality scores indices aim evaluate compliance dietary guidelines may particularly valuable assessing relationship nutrition knowledge dietary intake nutrition knowledge integral component health literacy low health literacy associated poor health outcomes contemporary highquality research needed inform community nutrition education public health policy