Finding F-0699

“Cigarette smoke was an important predictor for NO2, as the inclusion of smoking homes in the summer model improved its prediction from 36% to 44%.”

Héroux Predictors of indoor air concentrations in smoking and non-smoking residences… (2010). International journal of environmental research and public health. Page 15. CKB 6699

Structure

Source: Tobacco smoke (secondhand smoke)
Factor: Nitrogen dioxide (NO₂)
Setting: dwelling, CA (2007)
Study design: cross-sectional measurement study in Regina, Saskatchewan, Canada: indoor and outdoor air pollutants measured in 106 homes in winter and 111 homes in summer of 2007 (71 homes in both seasons), with air exchange rates, housing characteristics and questionnaires as predictors (class 4)
Effect: other
Sample: 111 homes
Caveat: the two percentages are how much of the variation the regression model explains, not concentrations

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.