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Jackson, Peter, Padalkar, Roma, Katagira, Winceslaus, Mortimer, Kevin 
ORCID: https://orcid.org/0000-0002-8118-8871, Rykiel, Natalie A, Robertson, Nicole M, Pollard, Suzanne L, Alupo, Patricia, Checkley, William, Kirenga, Bruce and Siddharthan, Trishul
(2022)
'Development and validation of an interstitial lung disease exposure questionnaire for sub-Saharan Africa.'. ERJ Open Research, Vol 8, Issue 4, e00205.
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Abstract
Background
American Thoracic Society/European Respiratory Society guidelines recommend context-specific exposure assessments to diagnose interstitial lung disease (ILD). In sub-Saharan Africa, ILD diagnoses are rare, and locally validated ILD exposure questionnaires are not used.
Methods
A physician-administered ILD exposure questionnaire was developed using a four-step mixed-methods modified Delphi approach. First, ILD questionnaires from high-income countries and data from Pneumotox were reviewed, compiled and face-validated. Second, a local pilot group of ILD experts ranked item relevance using a Likert scale and suggested additions. Third, the questionnaire format and pilot rankings were addressed in a focus group discussion that was analysed using grounded theory. Finally, following focus group discussion modifications, the resulting items (with three duplicate item groups for evaluation of internal consistency) were ranked for importance by members of the Pan-African Thoracic Society (PATS).
Results
Face validation resulted in 82 items in four categories: “Smoking and Drugs”, “Environmental Exposures”, “Occupations” and “Medications”. Pilot group (n=10) ranking revealed 27 outliers and 30 novel suggestions. Focus group (n=12) discussion resulted in 10 item deletions, 14 additions and 22 re-wordings; themes included desire for extensive questionnaires and stigma sensitivity. Final validation involved 58 PATS members (mean±sd age 46±10.6 years, 76% male, from 17 countries) ranking 84 items derived from previous steps and three duplicate question groups. The questionnaire was internally consistent (Cronbach's α >0.80) and ultimately included 73 items.
Conclusion
This mixed-methods study included experts from 17 countries in sub-Saharan Africa and successfully developed a 73-item ILD exposure questionnaire for sub-Saharan Africa. African pulmonary experts valued region-specific additions and ranked several items from existing ILD questionnaires as unimportant.
| Item Type: | Article |
|---|---|
| Subjects: | WA Public Health > WA 20.5 Research (General) WA Public Health > Statistics. Surveys > WA 950 Theory or methods of medical statistics. Epidemiologic methods WF Respiratory System > Lungs > WF 600 Lungs |
| Faculty: Department: | Clinical Sciences & International Health > Clinical Sciences Department |
| Digital Object Identifer (DOI): | https://doi.org/10.1183/23120541.00205-2022 |
| SWORD Depositor: | JISC Pubrouter |
| Depositing User: | JISC Pubrouter |
| Date Deposited: | 24 Jan 2023 15:44 |
| Last Modified: | 14 Jun 2023 11:28 |
| URI: | https://archive.lstmed.ac.uk/id/eprint/21771 |
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