Assessing the relative validity of the Scottish Collaborative Group Food Frequency Questionnaire compared with 7-day weighed food records
نویسندگان
چکیده
منابع مشابه
Diet-related greenhouse gas emissions assessed by a food frequency questionnaire and validated using 7-day weighed food records
BACKGROUND The current food system generates about 25 % of total greenhouse gas emissions (GHGE), including deforestation, and thereby substantially contributes to the warming of the earth's surface. To understand the association between food and nutrient intake and GHGE, we therefore need valid methods to assess diet-related GHGE in observational studies. METHODS Life cycle assessment (LCA) ...
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The food frequency questionnaire (FFQ) has been used as an important dietary assessment tool in epidemiologic studies, but the usefulness of the FFQ has been debated in recent years. This study was performed to evaluate the relative validities of 3-day food records and the semi-quantitative FFQ. A total of 124 subjects finished 3-day food records (FRs) during each of the four seasons, as well a...
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The validity of a food frequency questionnaire (FFQ) was evaluated against four 7-d diet records among 23 men aged 27-70 y. Volunteer women recorded the amounts of all foods and beverages consumed by their husbands or fathers over a period of 7 d in four consecutive seasons in 1997 and 1998, and a self-administered FFQ was answered by each man after completion of the fourth diet record. The die...
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BACKGROUND Advances in nutritional assessment are continuing to embrace developments in computer technology. The online Food4Me food frequency questionnaire (FFQ) was created as an electronic system for the collection of nutrient intake data. To ensure its accuracy in assessing both nutrient and food group intake, further validation against data obtained using a reliable, but independent, instr...
متن کاملMeasuring dietary fatty acid intake:validation of a food-frequency questionnaire against 7 d weighed records.
There are few validated methods of measuring dietary fatty acid intake that are suitable for epidemiological research. The purpose of the present study was to develop and validate a food-frequency questionnaire (FFQ) developed to measure individual dietary fatty acid intakes against 7 d weighed dietary records, in a sample of thirty-one healthy adult volunteers. The FFQ was based on a previousl...
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ژورنال
عنوان ژورنال: Proceedings of the Nutrition Society
سال: 2015
ISSN: 0029-6651,1475-2719
DOI: 10.1017/s0029665115002268