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Published on: February 2, 2020
Accessibility from the patient perspective: comparison of primary healthcare evaluation instruments
Jeannie L Haggerty1, Jean-Frédéric Lévesque, Darcy A Santor
1Department of Family Medicine, McGill University, Montreal, QC.
Unlabelled:
The operational definition of first-contact accessibility is "the ease with which a person can obtain needed care (including advice and support) from the practitioner of choice within a time frame appropriate to the urgency of the problem"; accommodation is "the way healthcare resources are organized to accommodate a wide range of patients' abilities to contact healthcare providers and reach healthcare services, that is to say telephone services, flexible appointment systems, hours of operation, and walk-in periods."
Objective:
To compare how well accessibility is measured in validated subscales that evaluate primary healthcare from the patient's perspective.
Method:
645 adults with at least one healthcare contact in the previous 12 months responded to six instruments that evaluate primary healthcare with four subscales that measure accessibility: the Primary Care Assessment Survey (PCAS), the Primary Care Assessment Tool - Short Form (PCAT-S, two subscales) and the first version of the EUROPEP (EUROPEP-I). Scores were normalized to a 0-to-10 scale for descriptive comparison. Exploratory and confirmatory (structural equation modelling) factor analysis examined fit to operational definition, and item response theory analysis examined item performance on common constructs.
Results:
The subscales demonstrate similar psychometric measures to those reported by developers. The PCAT-S First-Contact Utilization subscale does not fit the accessibility construct. The remaining three subscales load reasonably onto a single factor, presumed to be accessibility, but the best-fitting model has two factors: "timeliness of obtaining needed care" (PCAT-S First-Contact Access, some EUROPEP-I items) and "how resources are organized to accommodate clients" (PCAS Organizational Access and most of EUROPEP-I organization of care). Items in the PCAS and PCAT-S subscales have good discriminability.
Conclusion:
Only three of the four subscales measure accessibility; all are appropriate for use in Canada. The PCAT-S First-Contact Access subscale is the best measure for first-contact accessibility, and PCAS Organizational Accessibility has good metric properties and measures for accommodation.
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