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Contributo in rivista
Tipo: Articolo in rivista
Titolo: Validation of a food-frequency questionnaire for Flemish and Italian-native subjects in Belgium: The IMMIDIET study.
Anno di pubblicazione: 2011
Autori: van Dongen MC; Lentjes MA; Wijckmans NE; Dirckx C; Lemaître D; Achten W; Celis M; Sieri S; Arnout J; Buntinx F; Siani A; Cappuccio FP; de Lorgeril M; Iacoviello L; Dagnelie PC; on behalf of the European Collaborative Group of the IMMIDIET Project.
Affiliazioni autori: Department of Epidemiology, Maastricht University, Maastricht, The Netherlands Center for Molecular and Vascular Biology, Katholieke Universiteit Leuven, Leuven, Belgium Nutritional Epidemiology Unit, National Cancer Institute-Milan, Milan, Italy Department of General Practice, Katholieke Universiteit Leuven, Leuven, Belgium Unit of Epidemiology and Population Genetics, Institute of Food Sciences CNR, Avellino, Italy Clinical Sciences Research Institute, Warwick Medical School, University of Warwick, Coventry, United Kingdom Laboratoire Nutrition, Vieillissement et Maladies Cardiovasculaires, UFR de Me´de´cine et Pharmacie, Universite´ Joseph Fourier, Grenoble, France Centre for High Technology Research and Education in Biomedical Sciences, Catholic University, Campobasso, Italy
Abstract: OBJECTIVE: To validate an integrated food-frequency questionnaire (FFQ) developed to assess habitual food intake of Flemish and Italian-native subjects in Belgium as part of the European Collaborative Dietary Habit Profile in European Communities With Different Risk of Myocardial Infarction: the Impact of Migration as a Model of Gene/Environment Interaction (IMMIDIET Project). METHODS: The semiquantitative FFQ contained 322 items on food and food preparation. FFQs filled by a sample (n = 70) of the Flemish-Flemish and Flemish-Italian IMMIDIET subpopulations were randomly selected. Five 24-h recalls, administered over a period of 1 y by the same sample, served for validation. Energy and macronutrients were calculated using the Dutch NEVO and the Belgian NUBEL food composition tables. Intakes of energy and macronutrients estimated by the FFQ and repeated 24-h recall, respectively, were compared by means of correlation coefficients, classification into quartiles, and Bland-Altman plotting. RESULTS: The FFQ overestimated intake of energy and most macronutrients by 40-70%. This overestimation largely disappeared when values were expressed as energy percentage. Correlations ranked from 0.40 to 0.60 for energy and most macronutrients (median 0.53); correlations were lower (null to 0.41) for fat and higher (up to 0.90) for alcohol. Classification in quartiles of intake showed good agreement: 83% were classified in the same or adjacent quartile of energy, and 66-90% for macronutrients. Correlations and classification of macronutrient intake into quartiles remained similar when macronutrients were expressed as energy percentage. Stratification according to ethnic subgroup, age, body mass index, or social status showed no differences. CONCLUSION: The IMMIDIET FFQ is a valuable tool for studies of the role of energy and macronutrients in disease etiology or outcome, but less suitable for estimating absolute intake levels.
Lingua abstract: inglese
Pagine da: 302
Pagine a: 309
Numero volume: 27
Referee: Sì: Internazionale
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