Swimming pool exposure is associated with autonomic changes and increased airway reactivity to a beta-2 agonist in school aged children: A cross-sectional survey
Fig 4
Logistic regression between the number of years in swimming practice and the assessed clinical outcomes (adjusted for age and “early swimming”).
Participants were stratified according to their atopic status: A) Atopic children; and B) Non-atopic children. Results are represented as β (5–95%CI). *There were no non-atopic children reporting symptoms of allergic rhinitis.