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Journal of Clinical Psychology in Medical Settings

Published in:

01-09-2014

The Patient–Doctor Relationship Questionnaire (PDRQ-9) in Primary Care: A Validity Study

Authors: John H. Porcerelli, William Murdoch, Pierre Morris, Shannon Fowler

Published in: Journal of Clinical Psychology in Medical Settings | Issue 3/2014

Abstract

This study assessed the validity of the Patient–Doctor Relationship Questionnaire-9 (PDRQ-9) in a primary care sample (N = 180). Convergent validity was assessed through a correlation between the patient-rated PDRQ-9 and the physician-rated Difficult Doctor Patient Relationship Questionnaire-10 (DDPRQ-10). Discriminant validity was assessed through correlations between the PDRQ-9 and patient age, patient- and physician-reported health and psychological distress. To determine if the PDRQ-9 could discriminate between groups, patient PDRQ-9 ratings were compared between patients who were treated by faculty physicians versus those who were treated by residents. An exploratory factor analysis confirmed that the PDRQ-9 was made up of a single factor. The PDRQ-9 scale was internally consistent (α = .96) and significantly and negatively correlated with the DDPRQ-10 (r = −.22, p = .003) and was not significantly correlated with patient age, health, or psychological distress. PDRQ-9 ratings were statistically greater in patients who were treated by faculty physicians than those who were treated by residents (p = .01). This study provides additional support for the reliability and validity of the PDRQ-9 as a measure of the doctor–patient relationship in a primary care sample.

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Title: The Patient–Doctor Relationship Questionnaire (PDRQ-9) in Primary Care: A Validity Study
Authors: John H. Porcerelli
William Murdoch
Pierre Morris
Shannon Fowler
Publication date: 01-09-2014
Publisher: Springer US
Published in: Journal of Clinical Psychology in Medical Settings / Issue 3/2014
Print ISSN: 1068-9583
Electronic ISSN: 1573-3572
DOI: https://doi.org/10.1007/s10880-014-9407-2

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