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Review article: self-report measures to evaluate constipation
G L McCrea1, C Miaskowski, N A Stotts
1Department of Physiological Nursing, University of California, San Francisco, CA, USA. lindsay.mccrea@ucsf.edu
Alimentary Pharmacology & Therapeutics
|January 29, 2008
Summary
Patient self-report is crucial for evaluating constipation. The Chinese Constipation Questionnaire and Patient Assessment of Constipation-Symptom Questionnaire show promise, but more research is needed for comprehensive adult constipation measures.
Area of Science:
- Gastroenterology
- Clinical Epidemiology
- Health Outcomes Research
Background:
- Constipation is a subjective condition requiring patient self-report for accurate evaluation.
- Validated and reliable constipation measures are vital for diagnosis, severity assessment, and treatment efficacy.
- Standardized assessment tools are essential for consistent clinical practice and research.
Purpose of the Study:
- To systematically compare and contrast existing self-report constipation measures.
- To evaluate measures based on their development, content, characteristics, psychometric properties, and clinical utility.
- To identify the most suitable patient self-report instruments for assessing constipation.
Main Methods:
- A comprehensive literature search was conducted across multiple databases (MEDLINE, CINAHL, Cochrane, Web of Science) from 1966 to 2007.
- Inclusion criteria specified self-report measures exclusively for constipation, psychometric testing, adult use, and English language.
- Seven distinct self-report constipation measures were identified for analysis.
Main Results:
- Significant variation exists in the content areas covered by the identified constipation measures.
- Only two of the seven measures demonstrated adequate validity, reliability, and sensitivity to change.
- Limited psychometric validation across multiple samples was observed for most measures.
Conclusions:
- The Chinese Constipation Questionnaire and the Patient Assessment of Constipation-Symptom Questionnaire exhibit adequate psychometric properties.
- Further research is recommended to develop or enhance a more comprehensive self-report measure for adult constipation.
- Improved assessment tools are needed to better evaluate constipation in clinical and research settings.
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