Recent reports have asserted that, because of energy underreporting, dietary self-report data suffer from measurement error so great that findings that rely on them are of no value. This commentary considers the amassed evidence that shows that self-report dietary intake data can successfully be used to inform dietary guidance and public health policy. Topics discussed include what is known and...

Self-reported dietary assessment methods can be challenging to validate, and reporting errors for those with lower health literacy (HL) may be augmented. Interactive multimedia (IMM) based questionnaires could help overcome these limitations. The objectives of this investigation are to assess the comparative validity and sensitivity to change of an IMM beverage intake questionnaire (IMM-BEVQ) a...

CONTEXT Nutrition education aims to enhance knowledge and improve dietary intake in athletes. Understanding athletes' nutrition knowledge and its influence on dietary intake will inform nutrition-education programs in this population. PURPOSE To systematically review the level of nutrition knowledge in athletes, benchmark this against nonathlete comparison groups, and determine the impact of ...

PURPOSE Pre-pregnancy is an under-examined and potentially important time to optimize dietary intake to support fetal growth and development as well as maternal health. The purpose of the study was to determine the extent to which dietary intake reported by non-pregnant women is similar to pre-pregnancy dietary intake reported by pregnant women using the same assessment tool. METHODS The self...

BACKGROUND Dietary assessment methods that can provide high quality data while limiting participant burden and resource requirements in epidemiological research are highly sought after and continue to evolve. The use of mobile phone technology in research has increased rapidly over the last decade and offers multiple advantages to the researcher over traditional data collection methods. This st...

The validity of these approaches have been often questioned the method could be improved by using dietary recalls more frequently in order to limit the variability and dietary intake markers. Expectations for a better assessment of dietary and beverage intake are focused on new methods such as researches in metabolomics, metagenomics and natural enrichment of stable isotopes which could be help...

This report presents dietary intake estimates for selected B-vitamins, carotenes, and vitamins A, C, and E from the National Health and Nutrition Examination Survey, 1999-2000, for the U.S. population. Vitamin intakes are estimated from one 24-hour dietary recall interview. Population means, medians, and standard errors of the mean are weighted to produce national estimates, and are presented b...

This report presents dietary intake estimates of 10 nutrients for the U.S. population by sex and age groups. Nutrient intakes are estimated from one 24-hour dietary recall interview conducted in the National Health and Nutrition Examination Survey, 1999-2000. Population means, medians, and standard errors of the mean are weighted to produce national estimates. Assessment of dietary intakes is a...

800x600 normal 0 false false false en-us x-none ar-sa microsoftinternetexplorer4 background: this study’s aim was to design and validate a semi-quantitative food frequency questionnaire (ffq) for assessment of fruits and vegetables (fv) consumption in adults of isfahan by comparing the ffq with dietary reference method and blood plasma levels of beta-carotene, vitamin c, and retinol. methods: t...