Reproducibility and Validity of a Chinese Food Frequency Questionnaire

查看全文 作　　者：Water [1]WILLETT;Kyoko [2]HASEGAWA

机构地区：[1]Department of Nutrition, Harvard School of Public Health;[2]Kagawa Nutrition University

出　　处：《Biomedical and Environmental Sciences》索引2010年第23卷第S1期,共38页

基　　金：the funding from the National Institute for Cancer Research,NIH,USA,and the National Institute for Nutrition and Food Safety,Chinese Center for Disease Control and Prevention 摘　　要：Objectives This study was design to develop a semi-quantitative Chinese Food Frequency Questionnaire (FFQ) and to conduct a validation study for the questionnaire. Methods Based on the survey experience in recent years, a new Chinese food frequency questionnaire (FFQ) with 149 items in 17 food categories was developed. A validation study on this new FFQ was conducted in Jiangsu and Beijing of China between 1999 and 2001. The period of study covered 1 year and the FFQ was validated by comparing with data obtained by a six repeated 24-hour recalls for 3 consecutive days, or a totally 18-day 24- hour recall throughout the year. A total of 271 healthy adult subjects were enrolled in the study. Food and nutrient intakes measured by the 18-day dietary recalls and food frequency questionnaires (FFQs) were computed in the National Institute for Nutrition and Food Safety, China CDC using the existing nutrition database. The average daily intake of foods and nutrients over the 18-day recall was used to compare with FFQ1 and FFQ2, which was conducted at the beginning and the end of the year, respectively. All statistical analyses were carried out using SAS software version 6.12. 关键词：FFQ Reproducibility and Validity of a Chinese Food Frequency Questionnaire

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Reproducibility and Validity of a Chinese Food Frequency Questionnaire

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