Development of a digestive health status instrument: tests of scaling assumptions, structure and reliability in a primary care population

Autor:	M. Healey, Michael J. Shaw, Nicholas J. Talley, Timothy J. Beebe, S. A. Adlis, P. A. Tomshine
Rok vydání:	1998
Předmět:	medicine.medical_specialty Abdominal pain education.field_of_study Hepatology Psychometrics business.industry Population Gastroenterology Primary care physician Heartburn medicine.disease Surgery Scale (social sciences) medicine Physical therapy Criterion validity Pharmacology (medical) medicine.symptom business education Irritable bowel syndrome
Zdroj:	Alimentary Pharmacology & Therapeutics. 12:1067-1078
ISSN:	0269-2813
Popis:	Background: The absence of valid and reliable health status measures for functional gastrointestinal illness has limited research and patient care for this common group of disorders. A self-report survey has been developed. Methods: Initial development focused on extensive pre-testing of patients, primary care physicians and gastroenterologists. The disease-specific portion included the Rome criteria for dyspepsia subgroups and the Manning and Rome criteria for irritable bowel syndrome. The Short Form-36 was added. Psychometric analyses included techniques of multitrait scaling, scale internal consistency and criterion validation. Results: Six hundred and ninety patients presenting to their primary care physician for treatment of heartburn, abdominal pain or discomfort completed the 98 question survey. The disease-specific portion revealed five components including reflux, dysmotility, a two-domain bowel dysfunction complex, and a pain index. Internal consistency measures demonstrated good to excellent reliability. Scaling successes were observed on multitrait scaling. The disease-specific portion was reduced to 34 questions. Criterion validity was demonstrated with the correlation of the disease-specific questions to the SF-36. Conclusions: The psychometric analyses lend credence to the concept of stomach and bowel symptom subgrouping as proposed by expert consensus. The psychometric properties of the five summated disease-specific scales compare favourably with standardized health status measures.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::a9296ba4b5f625f553a980a1c588244b https://doi.org/10.1046/j.1365-2036.1998.00399.x Zobrazit plný text záznamu Plný text ve formátu PDF Plný text ve formátu HTML
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