OBJECTIVE To compare methods used to assess the validity of nutrient intake data obtained from a food-frequency questionnaire (FFQ), using folate and vitamin B12 as nutrient examples. DESIGN Cross-sectional sample from a population cohort. SETTING Two postcode areas west of Sydney, Australia. SUBJECTS In total, 2895 people aged 49 years and older provided dietary data using a semi-quantit...

BACKGROUND Total nutrient intake (TNI) is intake from food and supplements. This provides an assessment of nutrient adequacy and the prevalence of excessive intake, as well as the response with respect to biomarkers. Cod liver oil (CLO) is the most frequently consumed supplement in the UK, containing nutrients that might have varying influences on health. We calculated TNI for vitamins A, D and...

Accurate assessment of nutrient adequacy of a population should be based on usual intake distribution of that population. This study was conducted to adjust usual nutrient intake distributions of a single 24-hour recall in 2001 Korean National Health and Nutrition Surveys (KNHNS) in order to determine the magnitude of limitations inherent to a single 24-hour recall in assessing nutrient intakes...

T lifestyle of the residents of Arab and Persian Gulf countries is changing due to globalization. They consume more fat, meat, fast foods, and sugar than before.1 To assess an individuals’ dietary intake, a valid dietary tool is needed. We developed such an instrument for the population of the United Arab Emirates (UAE). The foods consumed in UAE, however, are influenced by its large multicultu...

Tables of food frequency and nutrient intake were created for a random sample of 266 lactating women from different areas of Shiraz city, Islamic Republic of Iran. Women were interviewed at home in 1998 and nutrient intake was calculated from a food frequency questionnaire and 24-hour dietary recall. On average, daily consumption was 2 servings of dairy foods, 4 of bread/rice, 2 of vegetables a...

many common diseases, including cardiovascular disease (cvd) are associated with diet. hyperlipidemia, hypertension, diabetes and obesity are major risk factors for cvd which are diet-related and the incidence of which is on the increase in isfahan, iran. this cross-sectional descriptive study was conducted, using the 24-hour recall questionnaire, to determine dietary pattern of the adult (>19 ...

BACKGROUND There is little information in the literature on methods of food composition database development to calculate nutrient intake from food frequency questionnaire (FFQ) data. The aim of this study is to describe the development of an FFQ and a food composition table to calculate nutrient intake in a Black Zimbabwean population. METHODS Trained interviewers collected 24-hour dietary r...