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Psychometric Validation and Reliability of the 9-Item Shared Decision-Making Questionnaire: A Systematic Review
Pavan Kumar Narapaka1, Manisha Singh2, Sarasa Meenakshi1
1Department of Pharmacy Practice, National Institute of Pharmaceutical Education and Research (NIPER) Hajipur, Dist. Vaishali, Bihar, India.
Iranian Journal of Public Health
|July 14, 2025
Summary
Translated versions of the 9-item shared decision-making questionnaire show reliable patient involvement measurement. Validation confirms tool efficacy across diverse, language-specific populations.
Area of Science:
- Health Services Research
- Psychometrics
- Patient-Reported Outcomes
Background:
- The 9-item shared decision-making questionnaire is a key tool for assessing patient involvement.
- Numerous translated versions exist, necessitating a consolidated review of their psychometric properties.
Purpose of the Study:
- To systematically evaluate the psychometric validation of translated 9-item shared decision-making questionnaires.
- To provide comprehensive data on the reliability and validity of these tools for international use.
Main Methods:
- Systematic literature search across PubMed, Scopus, Google Scholar, and developer websites up to February 2024.
- Psychometric validation assessment based on item characteristics, content validity, and factor analysis.
- Narrative synthesis following European Social Research Council guidance for systematic reviews.
Main Results:
- Nine studies involving 3090 participants across various countries were included.
- Most translated versions demonstrated good model fit and satisfactory reliability (Cronbach's alpha) and validity.
- Limitations included convenience sampling and potential recall bias in participant responses.
Conclusions:
- The 9-item shared decision-making tool is validated for measuring patient involvement in diverse, language-specific contexts.
- Satisfactory confirmatory analysis and reliability testing support its international application.
Keywords:
9-Item shared decision-makingPatient involvementPsychometric validationShared decision-makingValidity and reliabilityMore Related Videos
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