Reproducibility and relative validity of a semi-quantitative food frequency questionnaire for Chinese pregnant women
نویسندگان
چکیده
منابع مشابه
Reproducibility 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 کاملValidity and reproducibility of a semi-quantitative food frequency questionnaire for use among pregnant women in rural China.
A longitudinal study was conducted to validate a 68-item semi-quantitative food-frequency questionnaire (FFQ) for assessing nutrient intake among pregnant women in rural China. The interview administrated FFQs were conducted at the start of the third trimester (FFQ1) and repeated three months later prior to delivery (FFQ2), and compared with six repeated 24-hour recalls collected between the FF...
متن کاملValidity and reproducibility of a food frequency questionnaire for pregnant Finnish women.
The authors developed a self-administered 181-item food frequency questionnaire (FFQ) to assess dietary intake during pregnancy for Finnish women from August 1995 to July 1996. In the validation study (n = 113), the data that were collected by using two 5-day food records completed during the eighth month of pregnancy were compared with FFQ data. The intake of foods and nutrients was higher as ...
متن کاملReproducibility and validity of a food frequency questionnaire among pregnant women in a Mediterranean area
BACKGROUND Studies exploring the role of diet during pregnancy are still scarce, in part due to the complexity of measuring diet and to the lack of valid instruments. The aim of this study was to examine the reproducibility and validity (against biochemical biomarkers) of a semi-quantitative food frequency questionnaire (FFQ) in pregnant women. METHODS Participants were 740 pregnant women fro...
متن کاملValidity and Reproducibility of a Semi-Quantitative Food Frequency Questionnaire Adapted to an Israeli Population
Assessment of individual representative dietary practices in epidemiologic research has long been a challenge. Given the differences in eating habits and availability of foods between populations, a study was set to test the reproducibility and validity of an Israeli-adapted semi-quantitative food frequency questionnaire (SFFQ) used in case-control studies of cancer etiology. Two hundred volunt...
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ژورنال
عنوان ژورنال: Nutrition Journal
سال: 2015
ISSN: 1475-2891
DOI: 10.1186/s12937-015-0044-x