Development of a Food Frequency Questionnaire in Japan
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چکیده
منابع مشابه
Development and Validation of a Food Frequency Questionnaire for Assessing Dietary Calcium in Children
Background and Objectives: This study aimed to develop and validate a food frequency questionnaire (FFQ) for measuring calcium intake in 9-13 years old children in Tehran, Iran. Materials and Methods: A 56-item FFQ containing main contributors of calcium in Iranian diet was designed. Criterion validity of the calcium specific FFQ was evaluated through comparing its result with five 24-h recall...
متن کاملDevelopment and validation of a Semi-quantitative food frequency questionnaire among older people in north of Iran
Background: The study was conducted to assess reliability of modified semi-quantitative food frequency questionnaire (SQFFQ) as a part of the Amirkola Health and Aging Project (AHAP). Methods: The study was carried out in a sample of 200 men and women aged 60 years and older. A 138-item SQFFQ and two 24-hour dietary recalls were completed. The reliability of SQFFQ was evaluated by comparing ei...
متن کاملDevelopment of a food frequency questionnaire for Sri Lankan adults
BACKGROUND Food Frequency Questionnaires (FFQs) are commonly used in epidemiologic studies to assess long-term nutritional exposure. Because of wide variations in dietary habits in different countries, a FFQ must be developed to suit the specific population. Sri Lanka is undergoing nutritional transition and diet-related chronic diseases are emerging as an important health problem. Currently, n...
متن کاملThe food frequency questionnaire.
To the Editors: Of course we agree with Kristal et al. (1) that validity is an issue of degree rather than a dichotomy and that multiple methods will usually be useful when evaluating validity because a perfect standard is rarely available. However, their examples based on face validity, construct validity, and predictive validity do not provide evidence that food frequency questionnaires shoul...
متن کاملdevelopment and validation of a food frequency questionnaire for assessing dietary calcium in children
background and objectives: this study aimed to develop and validate a food frequency questionnaire (ffq) for measuring calcium intake in 9-13 years old children in tehran, iran. materials and methods: a 56-item ffq containing main contributors of calcium in iranian diet was designed. criterion validity of the calcium specific ffq was evaluated through comparing its result with five 24-h recalls...
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ژورنال
عنوان ژورنال: Journal of Epidemiology
سال: 1996
ISSN: 0917-5040
DOI: 10.2188/jea.6.3sup_131