Finding F-0388

“The hourly mean CO2 concentration of indoor (1160 ppm, SD = 604 ppm) was 2.6 times higher than that outdoors (mean = 434 ppm, SD= 60 ppm).”

Lu et al. Building-Related Symptoms among Office Employees Associated with Indoor Carbon Dioxide and Total Volatile (2015). International journal of environmental research and public health. Page 5. CKB 7002

Structure

Factor: Carbon dioxide (CO₂)
Population: office employees
Setting: outdoors at the offices, TW
Study design: cross-sectional study of 417 employees in 87 offices in high-rise buildings in Taiwan: 8-hour indoor and outdoor CO2 and TVOC measurements with a sick building syndrome questionnaire, generalized estimating equations logistic regression (class 4)
Effect: mean 434
Averaging time: hourly means over 8-hour workdays
Sample: 417 participants

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.