Respiratory hospital admission risk near large composting facilities

TitleRespiratory hospital admission risk near large composting facilities
Publication TypeJournal Article
Year of Publication2016
AuthorsDouglas P, Ioannis B, Fecht D, Pearson C, Sanches MLeal, Kinnersley R, Hansell A
JournalInternational Journal of Hygiene and Environmental Health
Volume219
Pagination372-379
Date Published2016
KeywordsAsthma; Bioaerosol; Chronic obstructive pulmonary disease (COPD); Compost; Hospitalization; Respiratory health
Abstract

Large-scale composting can release bioaerosols in elevated quantities, but there are few studies of health effects on nearby communities. A cross-sectional ecological small area design was used to examine risk of respiratory hospital admissions within 2500m of all 148 English large-scale composting facilities in 2008-10. Statistical analyses used a random intercept Poisson regression model at Census Output Area (COA) level (mean population 310). Models were adjusted for age, sex, deprivation and tobacco sales. Analysing 34,963 respiratory hospital admissions in 4656 COAs within 250-2500m of a site, there were no significant trends using pre-defined distance bands of >250-750m, >750-1500m and >1500-2500m. Using a continuous measure of distance, there was a small non-statistically significant (p=0.054) association with total respiratory admissions corresponding to a 1.5% (95% CI: 0.0-2.9%) decrease in risk if moving from 251m to 501m. There were no significant associations for subgroups of respiratory infections, asthma or chronic obstructive pulmonary disease. This national study does not provide evidence for increased risks of respiratory hospital admissions in those living beyond 250m of an outdoor composting area perimeter. Further work using better measures of exposure and exploring associations with symptoms and disease prevalence, especially in vulnerable groups, is recommended to support regulatory approaches

DOI10.1016/j.ijheh.2016.03.004
Full Text
PubMed ID27061055