Megan A. McCrory|Cheryl L. Hajduk|Susan B. Roberts
Procedures for screening out inaccurate reports of dietary energy intake
Tufts University|Tufts University|Tufts University
review existing methods illustrate use new simple method identifying inaccurate reports dietary energy intake reicomparison rei energy requirements estimated using total energy expenditure predicted ptee age weight height sex using previously published equation propagation error calculations performed cutoffs excluding rei plus minus two standard deviations 2 sd 1 sd agreement rei ptee establisheddietary survey us national cohort continuing survey food intakes individuals csfii 199496men nonpregnant nonlactating women aged 2145 years csfii provided two multiplepass 24hour recalls height weight n 3755average rei 77 ptee men 64 ptee women calculated cutoffs rei 40 160 ptee 2 sd 70 130 ptee 1 sd respectively use 1 sd cutoffs 2 sd cutoffs resulted relationship rei body weight similar expected based independently calculated relationship rei measured tee exclusion rei outside either 2 sd 11 subjects 1 sd 57 subjects cutoffs affect mean reported macronutrient intakes markedly affect relationships dietary composition body mass indexwhen examining relationships diet health use 1 sd cutoffs may preferable 2 sd cutoffs excluding inaccurate dietary reports