Finding · as stated by the study, recorded by Coridum · status verified-machine
Finding F-0396
“Chronic bronchitis occurred in 22 children (2.2%); however, we found no significant association between the disease and exposure to high CO2 levels in the classrooms during the fall/ winter (p > 0.05).”
Structure
- Factor
- Carbon dioxide (CO₂)
- Outcome
- Chronic bronchitis
- Population
- elementary school children
- Setting
- classroom, PT (fall/winter)
- Study design
- cross-sectional study of 1,019 students at 51 elementary schools in Coimbra (Portugal): questionnaire on symptoms and diseases with indoor air quality measurements in classrooms in fall/winter and spring/summer (class 4)
- Sample
- 1019 children
- Caveat
- no effect size in the sentence
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.