Finding F-1452

“A sizable fraction (43%–54%) of the teachers and staff reported respiratory or cognitive symptoms that might be related to IAQ issues.”

Xia Effectiveness of enhanced filtration interventions for improving indoor air quality in child-serving facilities (2026). Page 12. CKB 1033

Structure

Outcome: Sick building syndrome
Population: teachers and staff
Setting: classroom
Study design: study of enhanced filtration in school classrooms: indoor air quality measured together with a questionnaire on symptoms and satisfaction answered by the teachers and staff (class 3)
Effect: prevalence 54
Caveat: self-reported symptoms from a questionnaire, not a diagnosis

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.