Resources

This paper describes the steps that need to be considered to validate food photographs when estimating the amount of food consumed.

This IZiNCG technical brief describes various data collection tools and methods, and analysis approaches and software to assess dietary zinc intake in populations.

This WHO fact sheet provides recommendations for a healthy diet.

This paper describes a two-part statistical model that uses information from two 24-hour recalls to estimate the usual intake distribution of episodically consumed foods; the method allows for…

This brief describes five main steps to assessing the adequacy of zinc intake in a population. The document includes IZiNCG guidance on Estimated Average Requirements (EAR) for zinc.

This Intake publication provides an overview of the various methodologic issues that are relevant to the collection and analysis of dietary data when a key objective of the survey includes…

This Intake survey guidance document provides an overview of the main pre-survey tasks that should be considered as part of the planning, design, and budgeting process for large-scale quantitative…

This article, published in the Journal of Nutrition, compares four different methods to assess the prevalence of use and estimate nutrient intakes from dietary supplements among US adults.

This paper presents the INFOODS guidelines for describing foods.

This paper describes a food classification system that is based on the level of processing of the food.  Foods are categorized into four groups: Group 1 - Unprocessed or minimally…