Evidence map›Paper›PMID 20889905›Full record

ArticleAmerican journal of respiratory and critical care medicine2011

Swimming pool attendance, asthma, allergies, and lung function in the Avon Longitudinal Study of Parents and Children cohort.

Laia Font-Ribera, Cristina M Villanueva, Mark J Nieuwenhuijsen, Jan-Paul Zock, Manolis Kogevinas, John Henderson

Open access · greenAbstract read
In one paragraph

Article in American journal of respiratory and critical care medicine, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 40 papers, 5 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
40citing papers in PubMed, 5 pooled it
9.9field-weighted citation impact, top 1% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

40 citing papers in PubMed, 5 syntheses or guidelines pooled it, 112 citations in OpenAlex.

  1. Pooled it
  2. A systematic review of vigorous physical activity in eczema.The British journal of dermatology · 2016
    Pooled it
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  4. Water-based exercise for adults with asthma.The Cochrane database of systematic reviews · 2014
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  18. Early life swimming pool exposure and asthma onset in children - a case-control study.Environmental health : a global access science source · 2018
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

6 authors at 3 institutions in 3 countries.

Laia Font-RiberaCentre for Research in Environmental Epidemiology, Barcelona, Spain.
Cristina M Villanueva
Mark J Nieuwenhuijsen
Jan-Paul Zock
Manolis Kogevinas
John Henderson
Center for Research in Environmental Epidemiology · ESUniversitat Pompeu Fabra · ESUniversity of Bristol · GB

Funding

Medical Research Council 74882Medical Research Council G0401540Medical Research Council G9815508Wellcome Trust 076467
6 · The paper itself

Abstract

rationaleCross-sectional studies have reported inconsistent findings for the association between recreational swimming pool attendance and asthma and allergic diseases in childhood.

objectivesTo examine whether swimming in infancy and childhood was associated with asthma and allergic symptoms at age 7 and 10 years in a UK longitudinal population-based birth cohort, the Avon Longitudinal Study of Parents and Children.

methodsData on swimming were collected by questionnaire at 6, 18, 38, 42, 57, 65, and 81 months. Data on rhinitis, wheezing, asthma, eczema, hay fever, asthma medication, and potential confounders were collected through questionnaires at 7 and 10 years. Spirometry and skin prick testing were performed at 7 to 8 years. Data for analysis were available for 5,738 children. MEASUREMENTS AND MAIN

resultsAt age 7 years, more than 50% of the children swam once per week or more. Swimming frequency did not increase the risk of any evaluated symptom, either overall or in atopic children. Children with a high versus low cumulative swimming pool attendance from birth to 7 years had an odds ratio of 0.88 (95% confidence interval, 0.56-1.38) and 0.50 (0.28-0.87), respectively, for ever and current asthma at 7 years, and a 0.20 (0.02-0.39) standard deviation increase in the forced midexpiratory flow. Children with asthma with a high versus low cumulative swimming had an odds ratio for current asthma at 10 years of 0.34 (0.14-0.80).

conclusionsThis first prospective longitudinal study suggests that swimming did not increase the risk of asthma or allergic symptoms in British children. Swimming was associated with increased lung function and lower risk of asthma symptoms, especially among children with preexisting respiratory conditions.

Indexed as

Swimming PoolsAsthmaChildCohort StudiesCross-Sectional StudiesEnvironmental ExposureFemaleFollow-Up StudiesHumansHypersensitivity, ImmediateLongitudinal StudiesMaleOdds RatioProspective StudiesRespiratory Function TestsRisk Factors

Identifiers

PMID20889905
PMCPMC3081279
OpenAlexW1965849542

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.