OBJECTIVE To assess the food storage knowledge and practice of elderly people living at home. METHODS Three phase survey data collection: face to face interviews; dietary diaries with a food frequency questionnaire; and follow up interviews. SETTING Urban Nottingham. PARTICIPANTS 809 elderly people (aged 65+) randomly selected from general practitioner lists. MAIN OUTCOME MEASURES Respo...

OBJECTIVES To create a food frequency questionnaire specifically designed to capture the dietary habits of Saudis and test its validity and reliability. Methods: This investigation is a longitudinal, test-retest study conducted in King Saud University, Riyadh, Kingdom of Saudi Arabia between December 2015 and March 2016. A list of 140 food items was included in the questionnaire where a closed-...

women's health. although calcium deficiency intake is only one of the factors that effects bone fractures, there are many evidences that sufficient calcium have direct effect in bone density and reverse effect upon bone fractures rate. methods: this study is a descriptive cross-sectional type. a sample of 271 female students in tabriz medical sciences university, aged 20-25 years was studied in...

OBJECTIVE To describe the design of a Food Frequency Questionnaire (FFQ) to be used in studies on food intake of adults from Cuiabá, Mato Grosso State, Brazil. METHODS A 24-hour dietary recall (24hR) was applied to a sub-sample of 104 men and women, randomly selected from a random population-based study sample. Based on the frequency of report and on the contribution to the intake of energy a...

The objectives were to develop a Mediterranean oriented semi-quantitative food frequency questionnaire (FFQ) and evaluate its validity in measuring energy and nutrient intakes. For FFQ development, the main challenge was to merge food items and practices reflecting cultural Mediterranean preferences with other food choices ensuing from diet transition to more westernized dietary patterns. FFQ v...

This study reports the validity, reliability, and responsiveness of a 33-item fat- and fiber-related behavior questionnaire (FFB) and describes how this instrument provides insight into the process of adopting healthy diets. Data are from the Eating Patterns Study, a randomized clinical trial of a physician-delivered, self-help intervention to reduce fat and increase fiber intake. Intervention ...

OBJECTIVE Diet is an important determinant of health outcomes, but physicians have few ways to identify persons with suboptimal diets. The purposes of this study were to examine the reproducibility of a short dietary assessment questionnaire (PrimeScreen) and to compare its results with those of a longer food frequency questionnaire and with plasma levels of selected nutrients. DESIGN Each su...

A 28-item simplified food frequency questionnaire (SFFQ) combined with 9 open questions about basic commodities was designed for the Elderly Nutrient and Health Survey in Taiwan (NAHSIT) to collect participants' usual intake of the previous month. We have examined the validity this SFFQ as assessed by multiple 24-hour dietary recall (n=81) and biomarkers (n=1473). All questionnaires were comple...

BACKGROUND Validation of a quantitative food frequency questionnaire (QFFQ) developed specifically for Inuit is necessary to determine its usefulness in assessing dietary intake and adequacy and in identifying dietary risk factors for chronic disease in this population. METHODS Seventy-five randomly selected Inuit adults in Nunavut, Canada, were recruited. Mean daily intake of nutrients from ...

This study was conducted to validate a food frequency questionnaire (FFQ) to assess vitamin K intake in clinical and research settings based on data from the Fifth Korea National Health and Nutrition Examination Survey (KNHANES V). We collected a subset of data on informative food items using the 24-hour recall method from adults aged 19 to 64 years from KNHANES V. The cumulative percent contri...