The validity of two types of diet assessment methods, a self-administered food frequency questionnaire and an interviewer-administered detailed diet history, was assessed relative to a 7-day food record on a population-based sample of 95 men and 108 women in Toronto, Canada, between May 1989 and July 1990.
Each study subject completed both questionnaire methods, a food frequency questionnaire and an interviewer-administered diet history, as well as a 7-day food record in a crossover design.
Data were analyzed for both unadjusted and energy-adjusted nutrients to estimate Pearson's and intraclass correlations and agreement within categories.
Mean values for the intake of most nutrients assessed by the two questionnaire methods were similar.
Average, energy-adjusted Pearson's correlation coefficients for men between a food frequency questionnaire and a 7-day food record were 0.55 for macronutrients and 0.48 for micronutrients compared with 0.47 for macro-and 0.48 for micronutrients between an interviewer-administered diet history and a 7-day food record.
For women, they were 0.48 for macro-and 0.54 for micronutrients between a food frequency questionnaire and a 7-day food record and 0.46 and 0.49, respectively, between an interviewer-administered diet history and a 7-day food record.
The energy-adjusted Pearson correlations were generally higher than were the energy-unadjusted Pearson correlations and the intraclass correlations.
The present study suggests th...
Mots-clés Pascal : Epidémiologie, Méthodologie, Questionnaire, Enquête, Nutrition, Consommation alimentaire, Comportement alimentaire, Homme, Canada, Amérique du Nord, Amérique, Etude comparative, Validité, Fréquence alimentaire, Histoire alimentaire
Mots-clés Pascal anglais : Epidemiology, Methodology, Questionnaire, Inquiry, Nutrition, Food intake, Feeding behavior, Human, Canada, North America, America, Comparative study, Validity
Notice produite par :
Inist-CNRS - Institut de l'Information Scientifique et Technique
Cote : 96-0254315
Code Inist : 002B29B. Création : 199608.