Evaluation of a PDA-based dietary assessment and intervention program

A randomized controlled trial

Jeannette M. Beasley, William T. Riley, Amanda Davis, Jatinder Singh

Research output: Contribution to journalArticle

66 Citations (Scopus)

Abstract

Objective: To evaluate the capability of DietMatePro, a PDA-based dietary assessment program, to monitor dietary intake and to improve adherence to a dietary regimen. Design: Randomized controlled trial. Subjects. Overweight and obese (Body Mass Index (BMI) 25-40) participants without dietary restrictions. Intervention: Participants (n = 174) were randomized to record usual dietary intake using either Diet-MatePro or a paper food diary for one week to compare concordance with 24-hr recall. At the week 1 visit, participants were individually counseled to follow the diet recommendations of the Ornish Prevention Diet for three weeks and continue monitoring food intake using the assigned method to estimate adherence to the intervention by monitoring condition. Outcome Measures: Spearman correlations between week 1 24-hr recall and the assigned recording method were compared to assess validity. Mean pre-post changes in intake measured by 24-hr recall were compared according to monitoring condition to measure adherence to the Ornish diet. Results: Correlations of energy and nutrient values reported on the food label ranged from 0.41 to 0.71 for the DietMatePro condition versus 0.63 to 0.83 for the paper-based diary. Diet adherence was higher among DietMatePro (43%) compared to the paper diary (28%) group (p = 0.039). Conclusions/Applications: DietMatePro does not appear to produce more valid data than paper-based approaches. DietMatePro may improve adherence to dietary regimens compared to paper-based methods.

Original languageEnglish (US)
Pages (from-to)280-286
Number of pages7
JournalJournal of the American College of Nutrition
Volume27
Issue number2
StatePublished - Apr 2008
Externally publishedYes

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Randomized Controlled Trials
Diet
food intake
monitoring
Diet Records
diet
dietary restriction
food labeling
dietary recommendations
food records
Food
body mass index
nutritive value
methodology
Body Mass Index
Eating
Outcome Assessment (Health Care)
energy

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Food Science

Cite this

Evaluation of a PDA-based dietary assessment and intervention program : A randomized controlled trial. / Beasley, Jeannette M.; Riley, William T.; Davis, Amanda; Singh, Jatinder.

In: Journal of the American College of Nutrition, Vol. 27, No. 2, 04.2008, p. 280-286.

Research output: Contribution to journalArticle

Beasley, Jeannette M. ; Riley, William T. ; Davis, Amanda ; Singh, Jatinder. / Evaluation of a PDA-based dietary assessment and intervention program : A randomized controlled trial. In: Journal of the American College of Nutrition. 2008 ; Vol. 27, No. 2. pp. 280-286.
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