Quality of life of asthmatic children and adolescents: Portuguese translation, adaptation, and validation of the questionnaire “Pediatric Quality of Life (PedsQL) Asthma Module”

ABSTRACTObjective: The objectives of the study were to translate, validate, and verify the psychometric properties of the Portuguese version of the instrument “Pediatric Quality of Life Asthma Module” (PedsQL Asthma) culturally adapted for the Brazilian culture. Methods: After being translated to Portuguese and being culturally adapted, the questionnaire was answered by 200 asthmatic children and adolescents (aged 2–18) as well as the adults responsible for them. Validation required the use of the following instruments: PedsQL Asthma Children (applied to children and adolescents), PedsQL Asthma Parents (applied to adults responsible for children and adolescents), Pediatric Asthma Quality of Life (PAQLQ), Asthma Control Test (ACT) or Childhood Asthma Control Test (C-ACT), as well as socioeconomic and personal information questionnaires. A group of 45 clinically stable children repeated the questionnaires 15–60 days after answering the first questionnaire. Results: Correlations between the scores of PedsQL ...