What was issued?
The research article evaluates the relationship between housing characteristics and childhood lead exposure in England. The study uses surveillance data from the UK Health Security Agency (UKHSA) between 2014 and 2020 to identify patterns in blood lead concentration (BLC) in children. It focuses on how housing age and type, particularly homes built before 1976, correlate with higher lead levels. The study emphasizes the ongoing risks of lead exposure from older housing with leaded paint and water pipes, despite regulatory actions to remove lead from fuel and household items.
Who is affected?
Children living in older housing built before 1976 are most at risk of lead exposure, particularly those in lower-income households. The study found a higher incidence of elevated BLC in children residing in terraced homes compared to other types of housing, with a notable concentration of cases in more deprived neighborhoods. These children, along with pregnant women, are the most vulnerable to lead’s toxic effects. Health professionals, including those involved in surveillance and public health management, as well as local authorities and housing sector stakeholders, are affected as they are responsible for identifying and mitigating lead risks in residential areas.
Most important findings
The study found that children living in houses built before 1976 had significantly higher blood lead concentrations compared to those living in newer homes. Terraced housing, often constructed with leaded paint and older water pipes, was associated with a 1.68 times higher likelihood of elevated BLC. Despite the removal of leaded paint and water pipes from newer homes, older housing continues to be a significant risk factor due to persistent lead contamination in dust, paint flakes, and pipes. The study also highlighted that children in more deprived areas were disproportionately affected, with the highest proportion of cases found in such neighborhoods.
Key implications
The findings have significant public health implications. They suggest that housing age and type are important indicators of lead exposure risk, with older homes still posing a substantial threat, particularly in economically disadvantaged areas. Public health strategies should focus on raising awareness among families living in older housing about the potential presence of lead. Interventions should include the removal of lead pipes, repainting surfaces with lead-free paint, and regular testing for lead contamination. Local authorities should integrate these measures into their housing health and safety assessments. In the food sector, contamination risks in older homes may affect household food preparation and storage environments, necessitating enhanced regulations for lead testing in food products and materials used in food processing.
Citation
Crabbe, H., Verlander, N. Q., Iqbal, N., Close, R., White, G., Leonardi, G. S., & Busby, A. (2022). ’As safe as houses; the risk of childhood lead exposure from housing in England and implications for public health’. BMC Public Health, 22, 2052. https://doi.org/10.1186/s12889-022-14350-y
Lead is a neurotoxic heavy metal with no safe exposure level. It contaminates food, consumer goods and drinking water, causing cognitive deficits, birth defects and cardiovascular disease. HMTC’s rigorous lead testing applies ALARA principles to protect infants and consumers and to prepare brands for tightening regulations.