The Dutch EPIC food frequency questionnaire. I. Description of the questionnaire, and relative validity and reproducibility for food groups
نویسندگان
چکیده
منابع مشابه
Relative Validity and Reproducibility of a Food-Frequency Questionnaire for Estimating Food Intakes among Flemish Preschoolers
The aims of this study were to assess the relative validity and reproducibility of a semi-quantitative food-frequency questionnaire (FFQ) applied in a large region-wide survey among 2.5-6.5 year-old children for estimating food group intakes. Parents/guardians were used as a proxy. Estimated diet records (3d) were used as reference method and reproducibility was measured by repeated FFQ adminis...
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 کاملReproducibility and relative validity of a semi-quantitative food frequency questionnaire for Chinese pregnant women
BACKGROUND Food frequency questionnaire (FFQ) is a reliable tool to estimate dietary intake in large nutritional epidemiological studies, but there is lack of a current and validated FFQ for use in urban Chinese pregnant women. This study aimed to evaluate the reproducibility and validity of a semi-quantitative FFQ designed to estimate dietary intake among urban pregnant women in a cohort study...
متن کاملReproducibility and relative validity of a food-frequency questionnaire for French-speaking Swiss adults
BACKGROUND Due to the distinct cultural and language differences that exist in Switzerland, there is little information on the dietary intake among the general Swiss population. Adequately assessing dietary intake is thus paramount if nutritional epidemiological studies are to be conducted. OBJECTIVE To assess the reproducibility and validity of a food-frequency questionnaire (FFQ) developed ...
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 ...
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ژورنال
عنوان ژورنال: International Journal of Epidemiology
سال: 1997
ISSN: 1464-3685
DOI: 10.1093/ije/26.suppl_1.s37