Loretta McKinnon|Katrina Giskes|Gavin Turrell
The contribution of three components of nutrition knowledge to socio-economic differences in food purchasing choices
Queensland University of Technology|Queensland University of Technology|Queensland University of Technology
assess socioeconomic differences three components nutrition knowledge ie knowledge relationship diet disease ii nutrient content foods iii dietary guideline recommendations furthermore determine socioeconomic differences nutrition knowledge contribute inequalities food purchasing choicesthe crosssectional study considered household food purchasing nutrition knowledge socioeconomic demographic information household food purchasing choices summarised three indices based selfreported purchasing sixteen groceries nineteen fruits twentyone vegetables socioeconomic position sep measured household income education associations sep nutrition knowledge food purchasing examined using general linear models adjusted age gender household type household sizebrisbane australia 2000main household food shoppers n 1003 response rate 664 located fifty small areas census collectors districtsshoppers households low sep made food purchasing choices less consistent dietary guideline recommendations likely purchase grocery foods comparatively higher salt sugar fat lower fibre purchased narrower range fruits vegetables higher sep greater nutrition knowledge factor attenuated associations sep food purchasing choices among nutrition knowledge factors knowledge relationship diet disease made greatest consistent contribution explaining socioeconomic differences food purchasingaddressing inequalities nutrition knowledge likely reduce socioeconomic differences compliance dietary guidelines improving knowledge relationship diet disease appears particularly relevant focus health promotion aimed reduce socioeconomic differences diet related health inequalities