Outdoor air pollution and infant mortality: analysis of daily time-series data in 10 English cities.


Hajat, S; Armstrong, B; Wilkinson, P; Busby, A; Dolk, H; (2007) Outdoor air pollution and infant mortality: analysis of daily time-series data in 10 English cities. Journal of epidemiology and community health, 61 (8). pp. 719-22. ISSN 0143-005X DOI: 10.1136/jech.2006.053942

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Abstract

BACKGROUND: There is growing concern that moderate levels of outdoor air pollution may be associated with infant mortality, representing substantial loss of life-years. To date, there has been no investigation of the effects of outdoor pollution on infant mortality in the UK. METHODS: Daily time-series data of air pollution and all infant deaths between 1990 and 2000 in 10 major cities of England: Birmingham, Bristol, Leeds, Liverpool, London, Manchester, Middlesbrough, Newcastle, Nottingham and Sheffield, were analysed. City-specific estimates were pooled across cities in a fixed-effects meta-regression to provide a mean estimate. RESULTS: Few associations were observed between infant deaths and most pollutants studied. The exception was sulphur dioxide (SO2), of which a 10 mug/m(3) increase was associated with a RR of 1.02 (95% CI 1.01 to 1.04) in all infant deaths. The effect was present in both neonatal and postneonatal deaths. CONCLUSIONS: Continuing reductions in SO2 levels in the UK may yield additional health benefits for infants.

Item Type: Article
Faculty and Department: Faculty of Public Health and Policy > Dept of Social and Environmental Health Research
Research Centre: Centre for Global Non-Communicable Diseases (NCDs)
Transport & Health Group
PubMed ID: 17630372
Web of Science ID: 248036300012
URI: http://researchonline.lshtm.ac.uk/id/eprint/9389

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