Cultural adaptation and validation of the Brazilian Portuguese version of the PROactive Physical Activity in COPD–clinical visit instrument for individuals with COPD

Objective: To adapt the PROactive Physical Activity in COPD-clinical visit (C-PPAC) instrument to the cultural setting in Brazil and to determine the criterion validity, test-retest reliability agreement, and internal consistency of this version. Methods: A protocol for cultural adaptation and valid...

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Published in:	Jornal brasileiro de pneumologia Vol. 49; no. 4; p. e20220372
Main Authors:	Vinicius Santana1, André, Daiane Fontana1, Andrea, Cristina de Almeida1, Rafaela, Cruz Mantoani1, Leandro, Augusto Camillo1,2, Carlos, Couto Furlanetto1,2, Karina, Rodrigues3,4, Fátima, Cruz5, Joana, Marques6, Alda, Jácome7,8, Cristina, Demeyer9, Heleen, Dobbels10, Fabienne, Garcia-Aymerich11,12,13, Judith, Troosters9, Thierry, Aparecida Hernandes1, Nidia, Pitta1, Fabio
Format:	Journal Article
Language:	English
Published:	Sociedade Brasileira de Pneumologia e Tisiologia 2023
Subjects:	Activities of daily living Original Psychometrics Pulmonary disease, chronic obstructive RESPIRATORY SYSTEM Validation study Doença pulmonar obstrutiva crônica Activities of daily living Estudo de validação Psicometria Atividades cotidianas Psychometrics Pulmonary disease, chronic obstructive Validation study
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Summary:	Objective: To adapt the PROactive Physical Activity in COPD-clinical visit (C-PPAC) instrument to the cultural setting in Brazil and to determine the criterion validity, test-retest reliability agreement, and internal consistency of this version. Methods: A protocol for cultural adaptation and validation was provided by the authors of the original instrument and, together with another guideline, was applied in a Portuguese-language version developed by a partner research group from Portugal. The adapted Brazilian Portuguese version was then cross-sectionally administered twice within a seven-day interval to 30 individuals with COPD (57% were men; mean age was 69 ± 6 years; and mean FEV1 was 53 ± 18% of predicted) to evaluate internal consistency and test-retest reliability. Participants also completed the International Physical Activity Questionnaire (IPAQ), the modified Medical Research Council scale, the COPD Assessment Test, and Saint George's Respiratory Questionnaire to evaluate criterion validity. Results: The C-PPAC instrument showed good internal consistency and excellent test-retest reliability: "amount" domain = 0.87 (95% CI, 0.73-0.94) and "difficulty" domain = 0.90 (95% CI, 0.76-0.96). Bland & Altman plots, together with high Lin's concordance correlation coefficients, reinforced that agreement. Criterion validity showed moderate-to-strong correlations of the C-PPAC with all of the other instruments evaluated, especially with the IPAQ (rho = -0.63). Conclusions: The Brazilian Portuguese version of the C-PPAC is a reliable and valid instrument for evaluating the experience of Brazilian individuals with COPD with their physical activity in daily life.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 CONFLICTS OF INTEREST: None declared.
ISSN:	1806-3756 1806-3713 1806-3756
DOI:	10.36416/1806-3756/e20220372