This paper describes the development and test for precision and accuracy of visual aids (small size photographs, life size photographs, line diagrams and households utensils) to estimates portion…
In the method section of this paper, the authors report in detail how 24HDR interviews are conducted using the multipass method and what kind of visual aids are used to help individuals to…
This paper describes the key points to consider in developing and using a food photographs atlas for portion size estimation.
This paper describes the use of digital photographs as an aid to improve 24HDR quality in rural Bolivia.
This paper reviews potential sources of both random and systematic errors during the process of data collection using self-reported 24HDR in LIC settings.
This paper describes the steps that need to be considered to validate food photographs when estimating the amount of food consumed.
This paper presents the INFOODS guidelines for describing foods.