Asthma increased in young adults from 2008–2016 despite stable allergic rhinitis and reduced smoking

Studies have produced inconsistent results on prevalence trends in asthma and allergic rhinitis (AR). We surveyed young adults about asthma in 2008 and 2016 and examined the impact of gender, AR and smoking. Thirty-thousand randomly selected subjects aged 16-75 years in Western Sweden received posta...

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Veröffentlicht in:PloS one 2021-06, Vol.16 (6), p.e0253322-e0253322
Hauptverfasser: Vasileiadou, Styliana, Ekerljung, Linda, Bjerg, Anders, Goksör, Emma
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Sprache:eng
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Zusammenfassung:Studies have produced inconsistent results on prevalence trends in asthma and allergic rhinitis (AR). We surveyed young adults about asthma in 2008 and 2016 and examined the impact of gender, AR and smoking. Thirty-thousand randomly selected subjects aged 16-75 years in Western Sweden received postal questionnaires in 2008 and 50,000 in 2016. This study is based on responders aged 16-25 years, 2,143 in 2008 and 2,484 in 2016. From 2008-2016 current asthma increased from 9.3% to 11.5% (p = 0.014) and was significant in males without AR (aOR 1.83, 95% CI 1.09-3.07) and male smokers (aOR 3.02, 95% CI 1.12-8.13). In both years the risk of current asthma was reduced by growing up on a farm (aOR 0.26, 95% CI 0.81-0.84 and aOR 0.47, 95% CI 0.23-0.996), independent of a family history of asthma or allergy. AR did not differ significantly from 2008-2016 (22.5% vs 24.4%, p = 0.144). Current smoking decreased from 20.3% to 15.2% (p
ISSN:1932-6203
1932-6203
DOI:10.1371/journal.pone.0253322