Hector P Rodriguez, Alena D Berube, Dorothy Y Hung, Stephen M Shortell, Elliott S Fisher
Primary Care Practice Characteristics Associated With Medical Assistant Staffing Ratios
Annals of family medicine
current methods assessing childrens dietary intake intervieweradministered 24h dietary recall 24h dr time consuming resource intensive selfadministered instruments offer lowcost diet assessment method use children present study assessed validity portuguese selfadministered computerised 24h dr pac24 observation school lunch fortyone 710yearold children two elementary schools lisbon observed school lunch followed completion pac24 next day accuracy reporting items measured terms matches intrusions omissions accuracy reporting amounts measured terms arithmetic absolute differences matches amounts omissions intrusions accuracy reporting items amounts combined measured terms total inaccuracy ratio estimated weight food consumed actual weight consumed calculated along limits agreement using method bland altman comparison pac24 observations food level resulted values 670 matches 115 intrusions 215 omissions mean total inaccuracy 344 servings amounts accuracy high matches 017 023 servings arithmetic absolute differences respectively lower omissions 061 servings intrusions 055 servings pac24 found underestimate weight food average 32 actual intake pac24 lowerburden procedure respondents researchers slight modification comprises promising method assessing diet among children