Finding F-0397

“We found no association of allergic rhinitis, cough, or breathing difficulties with exposure to classrooms with or without health risks because of CO2 levels (p > 0.05); however, of the total of children controlled for each symptom, 184 (18.9%) had rhinitis, 164 (16.1%) had cough, and 103 (10.1%) had breathing difficulties.”

Indoor air quality and health in schools (2014). Jornal brasileiro de pneumologia : publicacao oficial da Sociedade Brasileira de Pneumologia e Tisilogia. Page 5. CKB 6909

Structure

Factor: Carbon dioxide (CO₂)
Outcome: Allergic rhinitis
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)
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.