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Updated: May 1, 2026

'Boden Food Plate': Novel Interactive Web-based Method for the Assessment of Dietary Intake

'Boden Food Plate': Novel Interactive Web-based Method for the Assessment of Dietary Intake

Published on: September 18, 2018

Diet Quality Changes in a 12-Week Web-Based Physical Activity Intervention without Explicit Dietary Guidance.

Bruna C Mazzolani^1,2,3, Gabriel P Esteves^1,2,3, Jessica Cheng^4,5

¹Applied Physiology and Nutrition Research Group - School of Physical Education and Sport and Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, SP, Brazil.

Behavioral Medicine (Washington, D.C.)

|October 23, 2024

Summary

A web-based physical activity (PA) intervention showed modest improvements in diet quality among adults with obesity. Increased moderate to vigorous PA led to better diet quality, suggesting interconnected lifestyle behaviors.

Keywords:

diet quality obesity physical activity intervention

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Area of Science:

Lifestyle Medicine
Behavioral Science
Nutritional Epidemiology

Background:

Lifestyle habits are interconnected, with physical activity (PA) potentially influencing dietary patterns.
Web-based interventions offer a scalable approach to promote health behaviors.

Purpose of the Study:

To evaluate changes in diet quality using the Healthy Eating Index 2020 (HEI-2020) after a 12-week web-based PA intervention in adults with obesity.
To explore the impact of a PA intervention on diet quality without explicit dietary guidance.

Main Methods:

Secondary analysis of a 12-week pilot randomized controlled trial with 82 adults with obesity.
Participants were randomized to a web-based PA intervention (Physical Activity for The Heart - PATH) or a wait-list control.
Diet quality was assessed using HEI-2020 via the Automated Self-Administered 24-h recall (ASA-24) system at baseline and post-intervention.

Main Results:

Both groups showed small improvements in total HEI-2020 scores (PATH: 65.11, Control: 62.24).
Participants engaging in ≥60 minutes of moderate to vigorous PA showed greater improvements in specific HEI-2020 components.
Overall changes in diet quality scores were modest, despite the PA intervention.

Conclusions:

Web-based PA interventions may lead to minor improvements in specific diet quality components in adults with obesity.
The findings suggest an interconnectedness between physical activity and dietary habits.
Larger studies are needed to confirm these effects and explore combined PA and dietary interventions.