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April 29, 2026PLoS ONE0 citationsOpen Access

Community Health Worker Intervention to Reduce VOC Exposure in Small Business Shops

Community health worker intervention to reduce worker exposure to volatile organic compounds in small business auto and beauty shops in a marginalized community: A cluster randomized controlled trial

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Authors

SGShannon GutenkunstNLNathan LothropCQCarolina Quijada

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Overview

Randomized trial evaluates VOC exposure reduction in marginalized community shops, suggesting a need for improved protections.

Key Points

  • This study aims to assess the effectiveness of a CHW-led intervention in reducing VOC exposure in small auto and beauty shops.
  • Conducted a two-arm, parallel, cluster randomized trial among small business shops in Tucson, AZ.
  • Randomized shops to immediate intervention or delayed intervention while stratifying by sector.
  • Assessed total VOC levels using photoionization detectors over three timepoints.
  • Auto shops showed a non-significant average 28% increase in TVOC (95% CI: −46% to 203%).
  • Beauty shops experienced an average 27% reduction in TVOC (95% CI: −55% to 19%).
  • 87% of beauty shop assessments revealed ventilation rates below recommended levels.

Cite This Study

Gutenkunst et al. (2026) studied this question.

synapsesocial.com/papers/69f19f74edf4b468248064e7https://doi.org/10.1371/journal.pone.0346356
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