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Research ArticleArticles

Measuring Primary Care Across 35 OECD Countries

Stephen J. Zyzanski, Martha M. Gonzalez, Jonathan P. O’Neal, Rebecca S. Etz, Sarah R. Reves and Kurt C. Stange
The Annals of Family Medicine July 2021, 2697; DOI: https://doi.org/10.1370/afm.2697
Stephen J. Zyzanski
1Center for Community Health Integration, Departments of Family Medicine & Community Health, Population & Quantitative Health Sciences, Case Western Reserve University, Cleveland, Ohio
PhD
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Martha M. Gonzalez
2Larry A. Green Center for the Advancement of Primary Health Care for the Public Good, Department of Family Medicine and Population Health, Virginia Commonwealth University, Richmond, Virginia
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Jonathan P. O’Neal
2Larry A. Green Center for the Advancement of Primary Health Care for the Public Good, Department of Family Medicine and Population Health, Virginia Commonwealth University, Richmond, Virginia
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Rebecca S. Etz
2Larry A. Green Center for the Advancement of Primary Health Care for the Public Good, Department of Family Medicine and Population Health, Virginia Commonwealth University, Richmond, Virginia
PhD
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  • For correspondence: Rebecca.Etz@vcuhealth.org
Sarah R. Reves
2Larry A. Green Center for the Advancement of Primary Health Care for the Public Good, Department of Family Medicine and Population Health, Virginia Commonwealth University, Richmond, Virginia
FNP-C, MBA
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Kurt C. Stange
1Center for Community Health Integration, Departments of Family Medicine & Community Health, Population & Quantitative Health Sciences, Case Western Reserve University, Cleveland, Ohio
2Larry A. Green Center for the Advancement of Primary Health Care for the Public Good, Department of Family Medicine and Population Health, Virginia Commonwealth University, Richmond, Virginia
3Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, Ohio
MD, PhD
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Abstract

PURPOSE To examine the psychometric properties and scores of the Person-Centered Primary Care Measure (PCPCM) in 28 languages and 35 Organisation for Economic Co-operation and Development (OECD) countries.

METHODS Using a paid online sampling service, we requested age- and sex-representative samples of 360 adults in each country. We administered the Person-Centered Primary Care Measure—a previously validated 11-item, patient-reported measure that was developed using what patients and clinicians said is most important about primary care. We also assessed construct validity through associations with demographics, the Patient-Enablement Instrument, number of years the person had been with their primary care physician and practice, whether the patient thought the doctor knowing the results would improve their care, and whether it was hard to complete the survey. We assessed the psychometric properties of the PCPCM in each country and report the summative and item-specific PCPCM scores for each country.

RESULTS The PCPCM exhibited solid psychometric properties across all languages and countries, with Cronbach’s alphas ranging from 0.88 to 0.95, and corrected item-total correlations ranging from 0.47 to 0.81, with the vast majority of countries ranging from the low 0.50s to the high 0.70s. Multiple analyses showed strong evidence of concurrent validity. With a potential range from a low of 1 to a high of 4, the overall mean score was 2.74, with a standard deviation of 0.19. Mean PCPCM scores ranged from the lowest in Sweden (2.28) to the highest in Turkey (3.08), with Germany ranking second (3.01), and the United States third (2.99).

CONCLUSIONS The internal consistency and concurrent validity of the PCPCM across multiple countries provides strong evidence of the coherence of the breadth of primary care functions that patients and clinicians say are important. The diversity of total and item-specific scores across countries provokes interesting hypotheses about the influence of each different country’s policies, practices, demographics, and culture on primary care, and provides a strong impetus for further ecological and individual data analyses using the Person-Centered Primary Care Measure.

Key words:
  • primary care
  • quantitative methods
  • health status/QOL measurement
  • measure development
  • international comparison
  • Received for publication January 22, 2020.
  • Revision received November 14, 2020.
  • Accepted for publication January 22, 2021.
  • © 2021 Annals of Family Medicine, Inc.
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The Annals of Family Medicine: 21 (5)
The Annals of Family Medicine: 21 (5)
Vol. 21, Issue 5
September/October 2023
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Measuring Primary Care Across 35 OECD Countries
Stephen J. Zyzanski, Martha M. Gonzalez, Jonathan P. O’Neal, Rebecca S. Etz, Sarah R. Reves, Kurt C. Stange
The Annals of Family Medicine Jul 2021, 2697; DOI: 10.1370/afm.2697

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Measuring Primary Care Across 35 OECD Countries
Stephen J. Zyzanski, Martha M. Gonzalez, Jonathan P. O’Neal, Rebecca S. Etz, Sarah R. Reves, Kurt C. Stange
The Annals of Family Medicine Jul 2021, 2697; DOI: 10.1370/afm.2697
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