Brick kiln pollution and its impact on health: A systematic review and meta-analysis

Nicolaou, Laura; Sylvies, Fiona; Veloso, Isabel; Lord, Katherine; Chandyo, Ram K.; Sharma, Arun K.; Shrestha, Laxman P.; Parker, David L.; Thygerson, Steven M.; DeCarlo, Peter F.; Ramachandran, Gurumurthy; Checkley, William

doi:10.1016/j.envres.2024.119220

Environmental Research

2024

DOI: 10.1016/j.envres.2024.119220

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Brick kiln pollution and its impact on health: A systematic review and meta-analysis

Laura Nicolaou,

Fiona Sylvies,

Isabel Veloso

et al.

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2024

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Knowledge, attitudes and practices regarding respirable silica exposure and personal protective equipment use among brick kiln workers in Nepal

Gaviola,

Nicolaou,

Sharma

et al. 2024

Occup Environ Med

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ObjectivesBrick kiln workers in Nepal are a neglected population who are exposed to high respirable silica concentrations, and few use interventions to reduce exposure. We aimed to characterise the prevalence of respiratory personal protective equipment (PPE) use, understand knowledge and attitudes towards kiln dust and respiratory PPE and identify factors associated with respiratory PPE use.MethodsWe conducted a cross-sectional study in Bhaktapur, Nepal. We used simple random selection to identify 10 out of 64 total kilns and stratified random sampling of 30 households to enrol workers aged ≥14 years within selected kilns. Field workers surveyed participants using structured questionnaires. Our primary outcome was to characterise the prevalence of current respiratory PPE use and secondary outcomes were summaries of knowledge, attitudes and practice of PPE use.ResultsWe surveyed 83 workers (mean age 30.8 years, 77.1% male). Of these, 28.9% reported current respiratory PPE use at work, 3.6% heard of silicosis prior to the survey and 24.1% correctly identified the best respiratory PPE (N95, compared with surgical masks and barrier face coverings) for reducing dust exposure. Respiratory PPE users had higher income (mean monthly household income US$206 vs US$145; p=0.04) and education levels (25% vs 5.1% completed more than primary school; p=0.02) compared with non-users.ConclusionsRespiratory PPE use was low. Workers had poor knowledge of kiln dust health effects and proper respiratory PPE. We highlight important barriers to PPE use, particularly knowledge gaps, which can guide future investigations to reduce the silicosis burden among brick kiln workers.

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Knowledge, attitudes and practices regarding respirable silica exposure and personal protective equipment use among brick kiln workers in Nepal

Gaviola,

Nicolaou,

Sharma

et al. 2024

Occup Environ Med

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show abstract

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Brick kiln pollution and its impact on health: A systematic review and meta-analysis

Cited by 1 publication

References 101 publications

Knowledge, attitudes and practices regarding respirable silica exposure and personal protective equipment use among brick kiln workers in Nepal

Knowledge, attitudes and practices regarding respirable silica exposure and personal protective equipment use among brick kiln workers in Nepal

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