Reliability and validity of the Brief Pain Inventory in individuals with chronic obstructive pulmonary disease
Background Pain is prevalent in chronic obstructive pulmonary disease (COPD) and the Brief Pain Inventory (BPI) appears to be a feasible questionnaire to assess this symptom. However, the reliability and validity of the BPI have not been determined in individuals with COPD. This study aimed to deter...
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| Published in: | European journal of pain Vol. 22; no. 10; pp. 1718 - 1726 |
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| Main Authors: | , , , , , |
| Format: | Journal Article |
| Language: | English |
| Published: |
England
01-11-2018
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| Online Access: | Get full text |
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| Summary: | Background
Pain is prevalent in chronic obstructive pulmonary disease (COPD) and the Brief Pain Inventory (BPI) appears to be a feasible questionnaire to assess this symptom. However, the reliability and validity of the BPI have not been determined in individuals with COPD. This study aimed to determine the internal consistency, test–retest reliability and validity (construct, convergent, divergent and discriminant) of the BPI in individuals with COPD.
Methods
In order to examine the test–retest reliability, individuals with COPD were recruited from pulmonary rehabilitation programmes to complete the BPI twice 1 week apart. In order to investigate validity, de‐identified data was retrieved from two previous studies, including forced expiratory volume in 1‐s, age, sex and data from four questionnaires: the BPI, short‐form McGill Pain Questionnaire (SF‐MPQ), 36‐Item Short Form Survey (SF‐36) and Community Health Activities Model Program for Seniors (CHAMPS) questionnaire.
Results
In total, 123 participants were included in the analyses (eligible data were retrieved from 86 participants and additional 37 participants were recruited). The BPI demonstrated excellent internal consistency and test–retest reliability. It also showed convergent validity with the SF‐MPQ and divergent validity with the SF‐36. The factor analysis yielded two factors of the BPI, which demonstrated that the two domains of the BPI measure the intended constructs. The BPI can also discriminate pain levels among COPD patients with varied levels of quality of life (SF‐36) and physical activity (CHAMPS).
Conclusion
The BPI is a reliable and valid pain questionnaire that can be used to evaluate pain in COPD.
Significance
This study formally established the reliability and validity of the BPI in individuals with COPD, which have not been determined in this patient group. The results of this study provide strong evidence that assessment results from this pain questionnaire are reliable and valid. |
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| Bibliography: | Yi‐Wen Chen is funded by the University of British Columbia and the British Columbia Lung Association. Pat G. Camp is funded by the Michael Smith Foundation for Health Research Scholar Award. Harvey O. Coxson reports personal fees from Samsung Inc. and grants from Spiration Inc. outside the submitted work. Pat G. Camp reports grants from Boehringer Ingelheim Canada, outside the submitted work. The other authors declare that there is no conflict of interest. Conflicts of interest Funding sources ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 |
| ISSN: | 1090-3801 1532-2149 |
| DOI: | 10.1002/ejp.1258 |