Finding · as stated by the study, recorded by Coridum · status verified-machine
Finding F-0395
“The probability of having poor concentration was 2.143 times higher in the children who were exposed to CO2 levels > 984 ppm than in those who were not.”
Structure
- Factor
- Carbon dioxide (CO₂)
- Outcome
- Cognitive performance
- Population
- elementary school children
- Setting
- classroom, PT
- 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)
- Effect
- ratio 2.143
- Sample
- 1019 children
- Caveat
- printed as a probability ratio without a confidence interval; poor concentration filed under cognitive-performance
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.