Development and validation of a low-literacy Chronic Obstructive Pulmonary Disease knowledge Questionnaire (COPD-Q)

Paula Maples, Andrea Franks, Shaunta' Chamberlin, Amy Barger-Stevens, Lorraine S. Wallace

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Objective: The objective of this study was to develop a content valid, understandable, readable, and reliable Chronic Obstructive Pulmonary Disease knowledge Questionnaire (COPD-Q). Methods: Twenty-one questions were generated as potential items to include in the COPD-Q. Twenty-two content experts provided both qualitative and quantitative assessments of two COPD-Q drafts. Ten patient volunteers completed a field test to assess clarity of individual COPD-Q items. An additional 24 patient volunteers completed a pilot test to determine internal consistency and test-retest reliability of the COPD-Q. The Flesch Reading Ease (FRE) was used to assess reading grade level of the COPD-Q. Results: Thirteen items were rated as " essential" (content validity ratio=p<0.05) by content experts and composed the final COPD-Q. Internal consistency, using Cronbach's alpha, was 0.72. Test-retest reliability, using intraclass correlation coefficient, was 0.90. The FRE score of the COPD-Q was 74.7 (equivalent to a 5th grade reading level). Conclusion: The COPD-Q is a valid, readable and reliable knowledge assessment instrument for assessing COPD knowledge in patients who may have low health literacy skills. Practice implications: Health care providers can use the COPD-Q to tailor counseling efforts according to individual patient needs, and to assess the effectiveness of their educational interventions.

Original languageEnglish (US)
Pages (from-to)19-22
Number of pages4
JournalPatient Education and Counseling
Volume81
Issue number1
DOIs
StatePublished - Oct 1 2010

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Chronic Obstructive Pulmonary Disease
Reading
Reproducibility of Results
Volunteers
Surveys and Questionnaires
Literacy
Health Literacy
Health Personnel
Counseling

All Science Journal Classification (ASJC) codes

  • Medicine(all)

Cite this

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AU - Wallace, Lorraine S.

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