Finding F-0448

“No difference in CO2 concentration was observed between the cases with natural, mechanical, or hybrid ventilation.”

Alonso Assessing the indoor air quality and their predictor variable in 21 home offices during the Covid-19 pandemic in Norway (2022). Building and environment. Page 11. CKB 8721

Structure

Factor: Carbon dioxide (CO₂)
Intervention: Ventilation
Population: home-office workers
Setting: home office, NO
Study design: measurement study in 21 home offices in Trondheim (Norway) during the COVID-19 pandemic: CO2, formaldehyde, TVOC, temperature and relative humidity logged with calibrated low-cost sensors for at least one week in winter (11 homes also in summer), predictors analysed with generalized estimating equations (class 4)
Sample: 21 homes
Caveat: no test statistic printed 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.