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@article{Roda:2020:ije/dyz128,
author = {Roda, C and Mahmoud, O and Peralta, GP and Fuertes, E and Granell, R and Serra, I and Henderson, J and Jarvis, D and Garcia-Aymerich, J},
doi = {ije/dyz128},
journal = {International Journal of Epidemiology},
pages = {131--141},
title = {Physical-activity trajectories during childhood and lung function at 15 years: findings from the ALSPAC cohort},
url = {http://dx.doi.org/10.1093/ije/dyz128},
volume = {49},
year = {2020}
}

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TY  - JOUR
AB  - BACKGROUND: Although physical activity has many known health benefits, its association with lung function in childhood/adolescence remains unclear. We examined the association of physical-activity trajectories between 11 and 15 years with lung function at 15 years in 2266 adolescents. METHODS: A population-based cohort of 14 305 singleton births alive at 1 year was recruited in the UK population-based Avon Longitudinal Study of Parents and Children cohort. Physical activity (counts/minute and moderate-to-vigorous physical activity) was assessed for 7 days using an accelerometer at 11, 13 and 15 years. We identified sex-specific physical-activity trajectories applying K-means for longitudinal data in children with at least two accelerometer measurements (n = 3584). We then estimated the sex-specific associations of these trajectories with post-bronchodilation lung-function parameters using multivariable linear-regression models (n = 2266, 45% boys). RESULTS: Fewer than 7% of participants met the WHO physical-activity recommendations (i.e. daily average of at least 60 minutes of moderate-to-vigorous physical activity). Boys were substantially more active than girls. In both sexes, we identified three distinct physical-activity trajectories ('low': 39.8% boys, 45.8% girls; 'moderate': 42.9% boys, 41.4% girls; and 'high' physical activity: 17.3% boys, 12.8% girls). Girls in the moderate and high physical-activity trajectories had 0.11 L [95% confidence interval (CI): 0.04-0.19] and 0.15 L (95% CI: 0.03-0.26) higher forced vital capacity than their less-active peers. No association was observed in boys. CONCLUSIONS: Higher childhood physical activity relates to higher lung-function levels in adolescent girls. A better understanding of the mechanisms underlying this association should be pursued.
AU  - Roda,C
AU  - Mahmoud,O
AU  - Peralta,GP
AU  - Fuertes,E
AU  - Granell,R
AU  - Serra,I
AU  - Henderson,J
AU  - Jarvis,D
AU  - Garcia-Aymerich,J
DO  - ije/dyz128
EP  - 141
PY  - 2020///
SN  - 1464-3685
SP  - 131
TI  - Physical-activity trajectories during childhood and lung function at 15 years: findings from the ALSPAC cohort
T2  - International Journal of Epidemiology
UR  - http://dx.doi.org/10.1093/ije/dyz128
UR  - https://www.ncbi.nlm.nih.gov/pubmed/31270549
UR  - https://academic.oup.com/ije/advance-article/doi/10.1093/ije/dyz128/5528004#137411037
UR  - http://hdl.handle.net/10044/1/71610
VL  - 49
ER  -

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