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Open AccessArticle

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

1
Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, AB T6G 2R3, Canada
2
Department of Physiology, University of Alberta, Edmonton, AB T6G 2R3, Canada
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Nutrients 2015, 7(7), 5484-5496; https://doi.org/10.3390/nu7075231
Received: 15 May 2015 / Revised: 26 June 2015 / Accepted: 1 July 2015 / Published: 7 July 2015
(This article belongs to the Special Issue Assessment of Nutrient Intakes)
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. View Full-Text
Keywords: dietary guidelines; nutritional assessment; type 2 diabetes dietary guidelines; nutritional assessment; type 2 diabetes
MDPI and ACS Style

Asaad, G.; Sadegian, M.; Lau, R.; Xu, Y.; Soria-Contreras, D.C.; Bell, R.C.; Chan, C.B. The Reliability and Validity of the Perceived Dietary Adherence Questionnaire for People with Type 2 Diabetes. Nutrients 2015, 7, 5484-5496.

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