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Article Abstract

Objectives: To investigate the associations of physical activity (PA) and sedentary behaviour in early childhood with asthma and reduced lung function in later childhood within a large collaborative study.

Design: Pooling of longitudinal data from collaborating birth cohorts using meta-analysis of separate cohort-specific estimates and analysis of individual participant data of all cohorts combined.

Setting: Children aged 0-18 years from 26 European birth cohorts.

Participants: 136 071 individual children from 26 cohorts, with information on PA and/or sedentary behaviour in early childhood and asthma assessment in later childhood.

Main Outcome Measure: Questionnaire-based current asthma and lung function measured by spirometry (forced expiratory volume in 1 s (FEV), FEV/forced vital capacity) at age 6-18 years.

Results: Questionnaire-based and accelerometry-based PA and sedentary behaviour at age 3-5 years was not associated with asthma at age 6-18 years (PA in hours/day adjusted OR 1.01, 95% CI 0.98 to 1.04; sedentary behaviour in hours/day adjusted OR 1.03, 95% CI 0.99 to 1.07). PA was not associated with lung function at any age. Analyses of sedentary behaviour and lung function showed inconsistent results.

Conclusions: Reduced PA and increased sedentary behaviour before 6 years of age were not associated with the presence of asthma later in childhood.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11331876PMC
http://dx.doi.org/10.1136/bmjresp-2023-001630DOI Listing

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