Asthma and asthma medication are common among recreational athletes participating in endurance sport competitions

SND-ID: EXT 0276

Creator/Principal investigator(s)

Nikolai Stenfors - Umeå University, Medicine unit orcid


Asthma prevalence is high among elite endurance athletes, but little is known about its prevalence among competitive recreational athletes. The aim of this study was to determine the prevalence of self-reported asthma and asthma medication use among competitive recreational endurance athletes, and their association with training.
A web survey on asthma and medication was conducted among 38,603 adult participants of three Swedish endurance competitions (cross-country running, cross-country skiing, and swimming).


The aim of this cross-sectional study was to determine the prevalence among competitive recreational endurance athletes of self-reported physician-diagnosed asthma and asthma medication use and their association with training.
Research principal, contributors, and funding

Research principal

Umeå University

Protection and ethical review

Ethics Review

Umeå - Ref. 2014/287-31

Method and time period


Athlets registered for participation in three large Swedish endurance competitions open to the public: Lidingöloppet(cross-country running), Vasaloppet (cross-country skiing), and Vansbrosimningen (swimming)

Time Method

Time period(s) investigated

2014-09-01 – 2015-07-30

Geographic coverage

Geographic spread

Geographic location: Sweden


Amanda Näsman, Tommie Irewall, Ulf Hållmarker, Anne Lindberg, and Nikolai Stenfors, “Asthma and Asthma Medication Are Common among Recreational Athletes Participating in Endurance Sport Competitions,” Canadian Respiratory Journal, vol. 2018, Article ID 3238546, 7 pages, 2018.

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Contact for questions about the data

Nikolai Stenfors

Published: 2018-11-20