Exposure to air pollution during the first 1000 days of life and subsequent health service and medication usage in children

Journal article


Shao, Jingyi, Zosky, Graeme R., Wheeler, Amanda J., Dharmage, Shyamali Chandrika, Dalton, Marita, Williamson, Grant J., O'Sullivan, Tierney, Chappell, Katherine, Knibbs, Luke D. and Johnston, Fay H.. (2019). Exposure to air pollution during the first 1000 days of life and subsequent health service and medication usage in children. Environmental Pollution. 256, pp. 1 - 8. https://doi.org/10.1016/j.envpol.2019.113340
AuthorsShao, Jingyi, Zosky, Graeme R., Wheeler, Amanda J., Dharmage, Shyamali Chandrika, Dalton, Marita, Williamson, Grant J., O'Sullivan, Tierney, Chappell, Katherine, Knibbs, Luke D. and Johnston, Fay H.
Abstract

Background Evidence of health effects following early life exposure to short-to-medium duration of high pollution levels is extremely limited. Objectives We aimed to evaluate the associations between: 1. intrauterine exposure to fine particulate matter (PM2.5) from coal mine fire emissions and the frequencies of general practitioner attendances and dispensations of prescribed asthma inhalers, steroid skin creams, and antibiotics during the first year of life; 2. infant exposure and those outcomes during the year following the fire. Methods All participants were recruited from the Latrobe Valley of Victoria, Australia. Participants’ 24-h average and hourly peak mine fire-specific PM2.5 exposures from 09/02/2014 to 31/03/2014 were estimated using chemical transport modelling. Outcome data were obtained from the Australian Medicare Benefits Schedule and Pharmaceutical Benefits Scheme from each child’s birth to 31/12/2016. We used negative binomial and logistic regression models to independently assess risks of the outcomes associated with every 10 and 100 μg m−3 increase in average or peak PM2.5 exposure, respectively, while adjusting for potential confounders. Results We included 286 of 311 children whose parents consented to be linked, comprising 77 with no exposure, 88 with intrauterine exposure and 121 with exposure in infancy. 10- and 100- μg m−3 increases in average and peak PM2.5 exposure during infancy were associated with greater incidence of antibiotics being dispensed during the year following the fire: the adjusted incidence rate ratios were 1.24 (95% CI 1.02, 1.50, p = 0.036) and 1.14 (1.00, 1.31, p = 0.048) respectively. No other significant associations were observed. Conclusion Exposure to coal mine fire emissions during infancy was associated with increased dispensing of antibiotics. This could reflect increased childhood infections or increased prescriptions of antibiotics in the year following the fire.

Keywordsparticulate matter; infant; prenatal exposure; infection; allergy and immunology
Year2019
JournalEnvironmental Pollution
Journal citation256, pp. 1 - 8
PublisherElsevier Ltd
ISSN0269-7491
Digital Object Identifier (DOI)https://doi.org/10.1016/j.envpol.2019.113340
Scopus EID2-s2.0-85074391494
Page range1 - 8
Research GroupMary MacKillop Institute for Health Research
Publisher's version
File Access Level
Controlled
Place of publicationUnited Kingdom
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