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The Reliability and Validity of the Perceived Dietary Adherence Questionnaire for People with Type 2 Diabetes.


ABSTRACT: Nutrition therapy is essential for diabetes treatment, and assessment of dietary intake can be time consuming. The purpose of this study was to develop a reliable and valid instrument to measure diabetic patients' adherence to Canadian diabetes nutrition recommendations. Specific information derived from three, repeated 24-h dietary recalls of 64 type 2 diabetic patients, aged 59.2 ± 9.7 years, was correlated with a total score and individual items of the Perceived Dietary Adherence Questionnaire (PDAQ). Test-retest reliability was completed by 27 type 2 diabetic patients, aged 62.8 ± 8.4 years. The correlation coefficients for PDAQ items versus 24-h recalls ranged from 0.46 to 0.11. The intra-class correlation (0.78) was acceptable, indicating good reliability. The results suggest that PDAQ is a valid and reliable measure of diabetes nutrition recommendations. Because it is quick to administer and score, it may be useful as a screening tool in research and as a clinical tool to monitor dietary adherence.

SUBMITTER: Asaad G 

PROVIDER: S-EPMC4517008 | biostudies-literature | 2015 Jul

REPOSITORIES: biostudies-literature

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The Reliability and Validity of the Perceived Dietary Adherence Questionnaire for People with Type 2 Diabetes.

Asaad Ghada G   Sadegian Maryam M   Lau Rita R   Xu Yunke Y   Soria-Contreras Diana C DC   Bell Rhonda C RC   Chan Catherine B CB  

Nutrients 20150707 7


Nutrition therapy is essential for diabetes treatment, and assessment of dietary intake can be time consuming. The purpose of this study was to develop a reliable and valid instrument to measure diabetic patients' adherence to Canadian diabetes nutrition recommendations. Specific information derived from three, repeated 24-h dietary recalls of 64 type 2 diabetic patients, aged 59.2 ± 9.7 years, was correlated with a total score and individual items of the Perceived Dietary Adherence Questionnair  ...[more]

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