West London Healthy Home and Environment (WellHome) Study: Protocol for a community-based study investigating exposures across the indoor-outdoor air pollution continuum in urban communities

Varaden, Diana, Barratt, Benjamin, Dallman, Margaret J., Skillern, Adam, Elmi, Munira S., Green, David C., Tremper, Anja H., Hedges, Michael, Hicks, William, Priestman, Max, Barron, Leon P., Fitzgerald, Shane P., Walder, Holly M., Wright, Stephanie L., Mudway, Ian S., Fisher, Matthew C., Hemmings, Samuel J., Poortinga, Wouter ORCID: https://orcid.org/0000-0002-6926-8545, Tirotto, Francesca, Beevers, Sean, Walton, Heather, Vu, Tuan, Katsouyanni, Klea, Evangelopoulos, Dimitris, Young, George, Wood, Dylan, Griffiths, Christopher and Kelly, Frank J. 2025. West London Healthy Home and Environment (WellHome) Study: Protocol for a community-based study investigating exposures across the indoor-outdoor air pollution continuum in urban communities. International Journal of Environmental Research and Public Health 22 (2) , 249. 10.3390/ijerph22020249

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Abstract

The relationship between indoor air quality and public health remains under-researched. WellHome is a transdisciplinary community-based study that will engage with residents to co-design feasible and acceptable research to quantify air pollution exposure in 100 homes in West London and examine its potential to exacerbate asthma symptoms in children. Sampling strategies such as using air quality monitors and passive samplers placed in kitchens, children’s bedrooms, and living rooms, will be developed in collaboration with local ambassadors and participating households to measure multiple physical, chemical, microplastic, and biological contaminants. This will provide a comprehensive understanding of indoor air quality across the city’s socio-economic gradient. Other data collected will include housing types and tenure, ventilation practices, occupant behaviours, time-activity, and airway symptoms. Epidemiological analysis will examine air pollution exposure impacts on children’s respiratory health. The particulate mixture’s relative hazard will be evaluated in toxicity studies based on source profiles and activity patterns of participants, focusing on asthma exacerbation related pathways. The study’s findings will be communicated to participants through co-designed reports and inform evidence-based recommendations for reducing indoor air pollution in London and urban areas worldwide. By raising awareness and providing actionable insights, WellHome seeks to contribute to global efforts to improve the health and well-being of vulnerable communities.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Schools > Architecture Schools > Psychology
Publisher:	MDPI
ISSN:	1660-4601
Funders:	NERC (NE/W002116/1)
Date of First Compliant Deposit:	11 February 2025
Date of Acceptance:	4 February 2025
Last Modified:	20 Feb 2025 10:46
URI:	https://orca.cardiff.ac.uk/id/eprint/176090

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