Prevalence of asthma in Portugal - The Portuguese National Asthma Survey

Clinical and Translational Allergy

João Almeida Fonseca⁴  Jean Bousquet⁸  António Bugalho-Almeida⁶  Carlos Loureiro³  Ana Todo-Bom³  Tiago Jacinto⁴  Rosa Carvalho¹  Luis Filipe Azevedo⁵  Mário Morais-Almeida²  Ana Sa-Sousa⁷ 

[1] GBN, Estudos de Mercado, Porto, Portugal;Sociedade Portuguesa de Alergologia e Imunologia Clínica, LIsbon, Portugal;Allergy and Clinical Immunology Division, Hospitais da Universidade de Coimbra, Coimbra, Portugal;Allergy Unit, Hospital and Institute CUF, Porto, Portugal;Health Information and Decision Sciences Department, Faculdade de Medicina da Universidade do Porto, Porto, Portugal;Coordinator of Comissão de Acompanhamento do Programa Nacional de Controlo da Asma, Lisbon, Portugal;Center for Research in Health Technologies and Information Systems, Faculdade de Medicina da Universidade do Porto, Porto, Portugal;Hôpital Arnaud de Villeneuve, Centre Hospitalier Universitaire Montpellier, Montpellier, France

关键词: Prevalence;    Epidemiology;    Computer-assisted-telephone–interviewing (CATI);    Asthma;   

Others  :  794564
DOI  :  10.1186/2045-7022-2-15

 received in 2012-05-02, accepted in 2012-08-21,  发布年份 2012

【 摘 要 】

Background

Asthma is a frequent chronic respiratory disease in both children and adults. However, few data on asthma prevalence are available in Portugal. The Portuguese National Asthma Survey is the first nationwide study that uses standardized methods. We aimed to estimate the prevalence of current asthma in the Portuguese population and to assess the association between ‘Current asthma’ and comorbidities such as upper airways disease.

Methods

A cross-sectional, population-based, telephone interview survey including all municipalities of Portugal was undertaken. Participants were randomly selected to answer a questionnaire based on the Portuguese version of the GA²LEN survey. ‘Current asthma’ was defined as self-reported lifetime asthma and at least one of 3 symptoms in the last 12 months: wheezing, waking with breathlessness or having an asthma attack.

Results

Data were obtained for 6 003 respondents, with mean age of 38.9 (95%CI 38.2-39.6) years and 57.3% females. In the Portuguese population, the prevalence of ‘Current asthma’ was 6.8% (95%CI 6.0-7.7) and of ‘Lifetime asthma’ was 10.5% (95%CI 9.5-11.6) Using GA²LEN definition for asthma, our prevalence estimate was 7.8% (95%CI 7.0-8.8). Rhinitis had a strong association with asthma (Adjusted OR 3.87, 95%CI 2.90-5.18) and the association between upper airway diseases and asthma was stronger in patients with both rhinitis and sinusitis (Adjusted OR 13.93, 95%CI 6.60-29.44).

Conclusions

Current asthma affects 695 000 Portuguese, with a prevalence of 6.8%. People who reported both rhinitis and sinusitis had the highest risk of having asthma.

【 授权许可】

   
2012 Sa-Sousa et al.; licensee BioMed Central Ltd.

【 图 表 】

Figure 1.

Figure 2.

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