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Developing an interactive portion size assessment system (IPSAS) for use with children.

E Foster¹, A Hawkins, E Simpson

¹Medical School, Human Nutrition Research Centre, Institute of Health & Society, Newcastle University, Newcastle upon Tyne, UK.

Journal of Human Nutrition and Dietetics : the Official Journal of the British Dietetic Association

|May 21, 2013

Summary

This summary is machine-generated.

Accurately assessing children's food portions is challenging. The interactive portion size assessment system (IPSAS) uses age-specific digital food images to improve dietary intake data collection for children aged 18 months to 16 years.

Keywords:

children dietary assessment food photographs portion size

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Area of Science:

Nutrition Science
Dietary Assessment Methods
Pediatric Nutrition

Background:

Traditional dietary assessment methods, such as weighing food, can be burdensome for participants.
Reducing participant burden is crucial for improving survey representativeness and minimizing measurement effects on food intake.
Accurate portion size estimation is vital for reliable dietary intake assessment, especially in children.

Purpose of the Study:

To describe the development and structure of the interactive portion size assessment system (IPSAS).
To introduce a novel computer-based tool for estimating children's food portion sizes.
To enhance the accuracy and reduce the burden of dietary intake assessment in pediatric populations.

Main Methods:

The interactive portion size assessment system (IPSAS) is a computer-based tool for estimating portion sizes in children aged 18 months to 16 years.
IPSAS utilizes age-specific digital food photographs linked to weights from UK National Diet and Nutrition Surveys.
Foods are categorized using a three-tier structure with 27 food group icons, drop-down menus, and links to UK food composition codes.

Main Results:

The study details the development and structural components of the IPSAS.
IPSAS provides a method for estimating both food served and food left over.
Photographs are directly linked to the weight of depicted food portions.

Conclusions:

The interactive portion size assessment system (IPSAS) offers a user-friendly approach to estimating children's food portion sizes.
IPSAS has the potential to reduce participant burden and improve the accuracy of dietary intake data in children.
This system facilitates objective portion size assessment, aiding in nutritional research and public health initiatives.