frequency questionnaire
Reproducibility 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 ...
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Assessing validity of a short food frequency questionnaire on present dietary intake of elderly Icelanders
... food frequency questionnaire was designed specifically for the AGES-Reykjavik Study and is divided into three parts, containing questions on early life diet (14-19 y), mid- life diet (40-50 y) and present ...
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Relative validation of a food frequency questionnaire for national health and nutrition monitoring
... the effects of vegetable consumption on various out- comes. The food group of vegetables includes a consid- erable number of various products, consumed either as single foods or as part of mixed dishes. In the FFQ, ...
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Reproducibility and comparative validity of a food frequency questionnaire for Australian children and adolescents
... Background: Dietary intake during childhood and adolescence is of increasing interest due to its influence on adult health, particularly obesity, cardiovascular disease and diabetes. There is a need to develop and ...
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Adaptation and validation of a food frequency questionnaire (FFQ) to assess dietary intake in Moroccan adults
... Our study described the process of adaptation of the international GA 2 LEN FFQ for use in Moroccan adults, and its relative validity and reproducibility to estimate usual food intake. The adapted FFQ contained 255 ...
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Use of a food frequency questionnaire to assess diets of Jamaican adults: validation and correlation with biomarkers
... In 2001, we developed a 70-item FFQ to assess energy and nutrient intakes of adult Jamaicans of African origin as part of a study of the epidemiology of diabetes and hypertension. The FFQ showed reasonable estimates of ...
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Relative validity of a semiquantitative food frequency questionnaire designed for schoolchildren in western Greece
... questionnaire. To assess the relative validity, we chose the 24-hour-recall method for the forthcoming 7 days as the reference method. Because the interviews with the chil- dren were conducted at school, and the ...
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Development of a food frequency questionnaire to estimate habitual dietary intake in Japanese children
... In Japan, some FFQs incorporate raw single food or food groups, such as meat, fish, egg and vegetables [12]. However, a typical Japanese meal normally consists of steamed rice, soup, main dishes, and multiple side ...
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Evaluation of the online Beverage Frequency Questionnaire (BFQ)
... Given the unique contribution of sugary drinks to key metabolic diseases, and their prominent role in Cana- dians’ diets, it is important to accurately monitor bever- age consumption at a population level. Beverage ...
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Food consumption habits in two states of Australia, as measured by a Food Frequency Questionnaire
... The FFQ, as originally conceived, does not ask any information about quantity and this is a serious limita- tion. The Australian Guide to Healthy Eating includes not only recommendations on which foods to eat but also on ...
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Validity and reliability of a food frequency questionnaire to estimate dietary intake among Lebanese children
... Participants were enrolled in the study for a period of 4 weeks (Fig. 1), during which two face-to-face inter- views took place at the Nutrition and Food Sciences de- partment at the American University of Beirut. In the ...
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Validity and reliability of a food frequency questionnaire for assessing dietary intake among Shanghai residents
... [18], whereas the FFQs used in the SMHS and SWHS were developed based on the most commonly con- sumed foods in urban Shanghai in 1996. Due to sig- nificant changes in dietary intake, China’s food supply has become much ...
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Validation of a Short Semi-Quantitative Food Frequency Questionnaire for Adults: a Pilot study
... food questionnaire is a part of large questionnaire consisting of demographic, physical exercise, tobacco, alcohol, anthropometrics measurement, cardiovascular risk-related questionnaire and anxiety ...
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Reproducibility and relative validity of a semi-quantitative food frequency questionnaire for Chinese pregnant women
... usual frequency of intake and portion size during the past 4 weeks. Frequency of consumption was re- ported as one of fifteen categories from “never during the past 4 weeks” to “five or more times per ...
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The web-based ASSO-food frequency questionnaire for adolescents: relative and absolute reproducibility assessment
... Public health studies need reliable and valid measures of daily food and nutrients intake in adolescents. Among the several methods to assess dietary intake, food frequency questionnaires (FFQs) are commonly used ...
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Relative validity of a web-based food frequency questionnaire for Danish adolescents
... The observed disparities in mean intakes of food groups and low percentages classified into same quartile were to some extent expected due to the adolescent study population. Adolescents are known to pay less at- tention ...
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Validity and reproducibility of a short food frequency questionnaire among patients with chronic kidney disease
... by frequency (never or less than once a month, x times a day, x times a week or x times a month) and portion sizes per food group ...the questionnaire to help participants estimate the con- sumed quantities ...
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Development of a food frequency questionnaire for Sri Lankan adults
... food items were grouped together yielding a final list of 81 food items (Table 3). An additional nine food items were included to cover festival and seasonal dietary habits and the final 90 food items were categorized as ...
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The validity of a food frequency questionnaire as a measure of PUFA status in pregnancy
... food frequency questionnaires (FFQs) that retrospectively seek details on frequency of consumption as well as portion size of foods and nutrients over a spe- cific period ...
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Reproducibility and validity of the food frequency questionnaire for estimating habitual dietary intake in children and adolescents
... In many epidemiological studies, a FFQ originally developed for adults was applied for the assessment of dietary intake in children [5-8]. We thought that a diet- ary survey method for children was more suitable to ...
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