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Prevalence of asthma in Portuguese adults - the EPI-ASTHMA study, a nationwide population-based survey
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Autores
Orientador(es)
Resumo(s)
In 2010, 6.8% of the Portuguese adults had asthma. Contemporary studies employing more accurate methods are needed. We aimed to assess asthma prevalence in Portugal and to identify associated-factors. A population-based nationwide study was conducted from May 2021 to March 2024. A multistage random sampling approach was applied to select adults from primary care. Stage 1 involved a telephone screening interview to collect sociodemographic and clinical data. Patients with an Adult Asthma Score (A2 Score) ≥1 were eligible for Stage 2, and 5% of those with an A2 Score = 0 were also invited to participate in Stage 2, which consisted of a diagnostic visit with a physical examination and diagnostic tests. We computed weighted asthma prevalence estimates and multivariable logistic regression models were used. Results: A total of 7,556 participants completed Stage 1 and 1,857 Stage 2. The prevalence of asthma was 7.1% (95%CI = 6.3–8.0%), with slight differences by sex, age, and region. Education, family history of asthma, inhaler prescription, nasal/ocular symptoms, food allergies, and previous allergy skin tests were associated with an increased risk of asthma (R2 = 33%). Asthma diagnosis could also be predicted by the A2 score, either on its own (R2 = 43%) or in combination with family history and previous allergy skin tests (R2 = 45%). Asthma affects 7.1% of Portuguese adults. Family history of asthma, nasal/ ocular symptoms, and comorbid food allergy are associated with increased risk of asthma.
Descrição
Palavras-chave
Asthma Epidemiology Prevalence
Contexto Educativo
Citação
Jacóme, C., & Amaral, R. (2025). Prevalence of asthma in Portuguese adults—The EPI-ASTHMA study, a nationwide population-based survey. Pulmonology, 31. https://doi.org/10.1080/25310429.2025.2466920
Editora
Taylor & Francis