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Published on: September 18, 2018
Evaluation of a PDA-based dietary assessment and intervention program: a randomized controlled trial
Jeannette M Beasley1, William T Riley, Amanda Davis
1Personal Improvement Computer Systems, Inc., Reston, Virginia, USA. jbeasley@jhsph.edu
Journal of the American College of Nutrition
|August 12, 2008
Summary
DietMatePro, a PDA-based program, did not yield more valid dietary data than paper diaries. However, it may improve adherence to weight management diets.
Area of Science:
- Nutrition science
- Health informatics
- Behavioral science
Background:
- Accurate dietary monitoring is crucial for weight management and adherence to therapeutic diets.
- Personal digital assistant (PDA)-based tools offer potential for improved dietary assessment and adherence.
- Evaluating novel dietary assessment technologies is essential for clinical practice.
Purpose of the Study:
- To assess the validity of DietMatePro, a PDA-based dietary assessment program, in monitoring food intake.
- To determine if DietMatePro enhances adherence to a specific dietary regimen compared to traditional methods.
Main Methods:
- A randomized controlled trial involving 174 overweight and obese participants.
- Participants used either DietMatePro or a paper food diary for one week to record intake.
- Dietary adherence was assessed over three weeks during the Ornish Prevention Diet intervention.
Main Results:
- DietMatePro's validity in capturing energy and nutrient intake was comparable to paper-based diaries.
- Participants using DietMatePro showed significantly higher adherence (43%) to the Ornish diet compared to the paper diary group (28%).
Conclusions:
- DietMatePro demonstrates potential for improving adherence to dietary interventions.
- While not superior in data validity, DietMatePro may be a valuable tool for promoting dietary compliance.
