Development and relative validation of a food frequency questionnaire to measure flavonoid intake in older adults
نویسندگان
چکیده
منابع مشابه
Development 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 کاملRelative validation of a food frequency questionnaire to estimate food intake in an adult population
Background: Scientifically valid descriptions of dietary intake at population level are crucial for investigating diet effects on health and disease. Food frequency questionnaires (FFQs) are the most common dietary tools used in large epidemiological studies. Objective: To examine the relative validity of a newly developed FFQ to be used as dietary assessment tool in epidemiological studies. De...
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 recall...
متن کاملDevelopment and validation of a food-frequency questionnaire to assess short-term antioxidant intake in athletes.
A quantitative food-frequency questionnaire (FFQ) was developed to determine antioxidant intake in athletes. The questionnaire will be valuable for researchers wishing to standardize antioxidant intake or simply document habitual intake during an intervention trial. One hundred thirteen athletes participated in the validity study, of whom 96 completed the questionnaire and blood test, 81 comple...
متن کاملValidation of an Australian electronic food frequency questionnaire to measure polyunsaturated fatty acid intake.
OBJECTIVE To develop and validate a simple non-invasive method that estimates the intakes of omega-3 and omega-6 polyunsaturated fatty acids (PUFA) in a healthy adult population. METHODS A new electronic PUFA food frequency questionnaire (FFQ) was validated by comparison with a 3-d weighed food record and blood biomarkers (erythrocytes and plasma) using the method of triads model and tested f...
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ژورنال
عنوان ژورنال: Journal of Nutrition & Intermediary Metabolism
سال: 2017
ISSN: 2352-3859
DOI: 10.1016/j.jnim.2017.04.048