Reproducibility of a food frequency questionnaire for adolescents
نویسندگان
چکیده
منابع مشابه
Reproducibility of a food frequency questionnaire for adolescents.
To assess the reproducibility of a validated 76-item food frequency questionnaire designed to estimate diet in adolescents (Adolescent Food Frequency Questionnaire--AFFQ) in the city of Sao Paulo, Brazil, a test-retest study was conducted (n = 49). Intraclass correlation coefficient (ICC), weighted kappa, and percentage of agreement were used in both crude and energy-adjusted nutrient intakes. ...
متن کاملReproducibility and comparative validity of a food frequency questionnaire for Australian children and adolescents
BACKGROUND Dietary intake during childhood and adolescence is of increasing interest due to its influence on adult health, particularly obesity, cardiovascular disease and diabetes. There is a need to develop and validate dietary assessment methods suitable for large epidemiologic studies of children and adolescents. Limited large scale dietary studies of youth have been undertaken in Australia...
متن کاملRelative Validity and Reproducibility of a Quantitative Food Frequency Questionnaire for Adolescents with Type 1 Diabetes: Validity of a Food Frequency Questionnaire
UNLABELLED Background. Food frequency questionnaires are used to assess dietary intake in epidemiological studies. Objective. The aim of the study was to assess the relative validity and reproducibility of a quantitative food frequency questionnaire (QFFQ) for adolescents with type 1 diabetes. METHODS Validity was evaluated by comparing the data generated by QFFQs to those of 24-hour recalls ...
متن کامل[Reproducibility and validity of a food frequency questionnaire].
OBJECTIVE Methods to evaluate food consumption still need improvement. A study was conducted to verify the reproducibility and validity of a food frequency questionnaire (FFQ) among overweight adults. METHODS The study was carried out in a private university in São Paulo, Brazil. The study sample consisted of 146 individuals of both sex with body mass index =25 kg/m2 and age between 18 and 60...
متن کاملThe web-based ASSO-food frequency questionnaire for adolescents: relative and absolute reproducibility assessment
BACKGROUND A new food frequency questionnaire (FFQ) has been recently developed within the Italian Adolescents and Surveillance System for the Obesity prevention (ASSO) Project; it was found to be appropriate for ranking adolescents in food and nutrient levels of intake. The aim of this study was to assess the relative and absolute reproducibility of the ASSO-FFQ for 24 food groups, energy and ...
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ژورنال
عنوان ژورنال: Cadernos de Saúde Pública
سال: 2007
ISSN: 0102-311X
DOI: 10.1590/s0102-311x2007000900026