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Is asthma in children still increasing?: 20-year prevalence trends in northern Sweden
Umeå universitet, Medicinska fakulteten, Institutionen för folkhälsa och klinisk medicin.ORCID-id: 0000-0002-1630-3167
Umeå universitet, Medicinska fakulteten, Institutionen för folkhälsa och klinisk medicin.ORCID-id: 0000-0001-7222-6402
The OLIN studies, Norrbotten County Council, Luleå, Sweden.
Umeå universitet, Medicinska fakulteten, Institutionen för folkhälsa och klinisk medicin.ORCID-id: 0000-0002-0553-8067
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2024 (Engelska)Ingår i: Pediatric Allergy and Immunology, ISSN 0905-6157, E-ISSN 1399-3038, Vol. 35, nr 4, artikel-id e14120Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Background: In the present study, we describe prevalence trends of asthma and investigate the association with asthma symptoms, use of asthma medication, and asthma severity among 8-year-old children in Norrbotten, Sweden in 1996, 2006, and 2017.

Methods: Within the Obstructive Lung Disease in Northern Sweden (OLIN) studies, three pediatric cohorts were recruited in 1996, 2006, and 2017 respectively. Identical methods were used; all children in first and second grade (median age 8 years) in three municipalities were invited to a parental questionnaire survey, completed by n = 3430 in 1996 (97% participation), n = 2585 in 2006 (96%), and n = 2785 in 2017 (91%). The questionnaire included questions about respiratory symptoms and diagnosis, treatment, and severity of asthma.

Results: The prevalence of wheezing was stable during the study, 10.1% in 1996; 10.8% in 2006; and 10.3% in 2017, p =.621, while physician-diagnosed asthma increased: 5.7%, 7.4%, and 12.2%, p <.001. The use of asthma medication in the last 12 months increased: 7.1%, 8.7%, and 11.5%, p <.001. Among children diagnosed with asthma, the prevalence of asthma symptoms, the impact on daily life, and severe asthma decreased, while the use of inhaled corticosteroids increased from 1996 until 2017.

Conclusion: The prevalence of wheezing was stable among 8-year-old in this area from 1996 to 2017, while the prevalence of physician-diagnosed asthma doubled but without an increase in asthma morbidity. The increase of physician-diagnosed asthma without a coincident increase in asthma morbidity can partly be explained by more and earlier diagnosis among those with mild asthma.

Ort, förlag, år, upplaga, sidor
John Wiley & Sons, 2024. Vol. 35, nr 4, artikel-id e14120
Nyckelord [en]
asthma, children, epidemiology, respiratory, severity, time trends, wheeze
Nationell ämneskategori
Lungmedicin och allergi
Identifikatorer
URN: urn:nbn:se:umu:diva-223251DOI: 10.1111/pai.14120ISI: 001194143100001PubMedID: 38556800Scopus ID: 2-s2.0-85189319147OAI: oai:DiVA.org:umu-223251DiVA, id: diva2:1852434
Forskningsfinansiär
Region NorrbottenHjärt-LungfondenAstma- och AllergiförbundetVårdalstiftelsenVisare NorrTillgänglig från: 2024-04-18 Skapad: 2024-04-18 Senast uppdaterad: 2024-04-18Bibliografiskt granskad

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Hedman, LinneaAndersson, MartinBackman, Helenaaf Klinteberg, MajaWinberg, AnnaRönmark, Eva

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Hedman, LinneaAndersson, MartinBackman, Helenaaf Klinteberg, MajaWinberg, AnnaRönmark, Eva
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Institutionen för folkhälsa och klinisk medicinPediatrik
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Pediatric Allergy and Immunology
Lungmedicin och allergi

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