The Effect of Outdoor Environmental Exposure on Readmission Rates for Children and Adolescents with Asthma—A Systematic Review

Lisa Smaller, Mehak Batra and Bircan Erbas
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Lisa Smaller: Department of Public Health, School of Psychology and Public Health, La Trobe University, Melbourne, VIC 3086, Australia
Mehak Batra: Department of Public Health, School of Psychology and Public Health, La Trobe University, Melbourne, VIC 3086, Australia
Bircan Erbas: Department of Public Health, School of Psychology and Public Health, La Trobe University, Melbourne, VIC 3086, Australia

IJERPH, 2022, vol. 19, issue 12, 1-24

Abstract: The burden of asthma readmission for children and adolescents is approximately 10% worldwide. Research has been synthesised for behavioural and indoor impacts; however, no such synthesis has been conducted for outdoor environmental exposures. This systematic review aims to evaluate and synthesise the impact the outdoor environment has on readmission rates for children or adolescents with asthma. We conducted a systematic search of seven databases and hand searched reference lists of articles published up until 18 January 2021. There were 12 out of 392 studies eligible for inclusion. Overall, most studies showed that outdoor environments impact on readmission; however, the strength of association is seen to be stronger in a particular subpopulation of each study depending on the exposure investigated. The evidence for the association between outdoor environmental exposure and readmission rates for children or adolescents with asthma is increasing; however, it is complicated by potential confounders such as socioeconomic factors, ethnicity, indoor air pollutants, and other behavioural factors. Further research is required to differentiate between them. Additionally, further studies need to be undertaken in further countries other than the United States of America to understand the full relationship.

Keywords: asthma; child; adolescent; readmission; outdoor environmental exposure; traffic related air pollution; pollen; seasonal effects (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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