Displaying 21 - 25 of 25

Validation of Digital Photographs as a Tool in 24-H Recall for the Improvement of Dietary Assessment among Rural Populations in Developing Countries

This paper describes the use of digital photographs as an aid to improve 24HDR quality in rural Bolivia. The day before the 24HDR the respondents are asked to take pictures of every food eaten as…
2012
Lazarte CE, Encinas ME, Alegre C , Granfeldt Y

Measurement Errors in Dietary Assessment Using Self-Reported 24-Hour Recalls in Low-Income Countries and Strategies for Their Prevention

This paper reviews potential sources of both random and systematic errors during the process of data collection using self-reported 24HDR in LIC settings. It also provides strategies to minimize…
2017
Gibson RS , Charrondiere UR, Bell W

Food Photographs: Practical Guidelines - I. Design and Analysis of Studies to Validate Portion Size Estimates

This paper describes the steps that need to be considered to validate food photographs when estimating the amount of food consumed. Recommendations are provided on the characteristics and the number…
1998
Nelson M, Haraldsdottir J

An Overview of the Main Pre-Survey Tasks Required for Large-Scale Quantitative 24-Hour Recall Dietary Surveys in LMICs

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 24…
2020
Vossenaar M, Arimond M, Deitchler M, Lubowa A, Hotz C, Moursi M

INFOODS Guidelines for Describing Foods: A Systematic Approach to Describing Foods to Facilitate International Exchange of Food Composition Data

This paper presents the INFOODS guidelines for describing foods. The guidelines have been designed to provide a harmonized approach that facilitates the interchange of food composition…
1991
Truswell S, Bateson A, Madafiglio KC, Pennington JAT, Rand WM, Klensin JC