Finding F-1561

“The proportion of HVs with indoor PM2.5 concentrations greater than the WHO’s 24 h average was 75% in venues with both indoor and outdoor facilities, compared to 62.5% in venues with only indoor facilities, with no statistically significant difference observed.”

Hirpa et al. Second-Hand Tobacco Smoke Exposure: Results of Particulate Matter (PM2.5) Measurements at Hospitality Venues in Addis Ababa, Ethiopia (2024). Int J Environ Res Public Health. Page 6. CKB 1127

Structure

Source: Tobacco smoke (secondhand smoke)
Factor: Particulate matter (PM₂.₅ and PM₁₀)
Setting: hospitality venue, ET
Study design: study of second-hand tobacco smoke in hospitality venues of Addis Ababa: indoor and outdoor fine particulate matter measured in bars, restaurants and other venues and compared with the World Health Organization 24-hour value, with compliance with the smoke-free law recorded (class 4)
Effect: share-above 75
Caveat: the study finds the difference between the two venue types not significant

A Finding records what one published document states, verbatim and with its page. It is not a conclusion of Coridum; see the Claims that build on it.