Finding F-1684

“From Period 1 to Period 2, one percent decrease in the proportion of cooking with coal was associated with a 19.0% (95% CI, 0.96–37.04%) decrease in the prevalence of males’ chronic bronchitis and a 1.86% (0.69–3.04%) increase in the prevalence of females’ asthma.”

The effects of indoor and outdoor air pollution on the prevalence of adults’ respiratory diseases in four Chinese cities: a comparison (2021). Journal of thoracic disease. Page 1. CKB 8234

Structure

Source: Coal
Outcome: Asthma
Setting: home, CN
Study design: repeat cross-sectional study of the same districts ten years apart: the change in the share of households cooking with coal related to the change in the prevalence of asthma and chronic bronchitis, adjusted for covariates (class 4)
Effect: difference 1.86 (0.69–3.04) per 1 % %
Flags: source-inconsistent
Caveat: women only, and the direction runs against the expected one: asthma prevalence rose as coal cooking fell; the same sentence reports a 19.0% (95% CI 0.96–37.04%) decrease in chronic bronchitis among men

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.