What question did this study set out to answer?

The research aims to develop and psychometrically validate a satisfaction questionnaire specifically for diabetes pharmaceutical care in primary settings.

April 22, 2026

Psychometric validation of Diabetes Pharmaceutical Care Program Satisfaction Questionnaire (DPCPSQ) for diabetes care in primary settings

Key Points

The research aims to develop and psychometrically validate a satisfaction questionnaire specifically for diabetes pharmaceutical care in primary settings.
Utilized a 16-month prospective design with 141 patients enrolled.
Conducted baseline assessments to validate the questionnaire, resulting in a trimmed 19-item version.
Assessed psychometric properties including reliability, validity, and model fit indices.
The 19-item version showed improved fit indices compared to the 25-item model, confirming better reliability and validity.
Convergent validity was improved by restructuring item factors, leading to a better understanding of patient satisfaction.
The final questionnaire demonstrated high reliability (ω = 0.956; α = 0.823) and acceptable model fit.

Abstract

This study developed and validated the Diabetes Pharmaceutical Care Patient Satisfaction Questionnaire (DPCPSQ) within a 16-month prospective design enrolling 141 patients. Although five assessments were conducted (705 responses), only baseline data (141 responses) were used for psychometric validation. The trimmed 19-item version outperformed the original 25-item model, showing improved fit (χ2 = 271.314 vs 415.141; CFI = 0.956; TLI = 0.949; NFI = 0.907; RFI = 0.894; GFI = 0.854), acceptable χ2/df (1.82) and RMSEA (0.076), and markedly better SRMR (0.049). Reliability strengthened (ω = 0.956; α = 0.823), sampling adequacy improved (KMO = 0.846), and convergent validity was enhanced through restructuring weaker domains into a Behavior & Recommendation factor (AVE = 0.556). Collectively, the 19-item DPCPSQ offers a parsimonious, reliable, and valid framework for assessing patient satisfaction with pharmaceutical care.

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