Finding F-0619

“The estimated population-weighted radon exposure in 1990 was 113 Bq/m3 (arithmetic mean), and in 2008, it was 90 Bq/m3, where the exposure was 120 Bq/m3 in single-family homes and 55 Bq/m3 in apartments.”

Lung cancer risk from radon exposure in dwellings in Sweden: how many cases can be prevented if radon levels are lowered? (2015). Cancer causes & control : CCC. Page 3. CKB 6966

Structure

Factor: Radon
Population: residential occupants
Setting: dwelling, SE
Study design: population-weighted analysis of two Swedish national indoor radon surveys (8,992 dwellings in 1990 and 1,819 in 2008, both representative of Swedish dwellings), with an estimate of lung cancer cases preventable by lowering radon (class 4)
Effect: mean 90
Averaging time: population-weighted arithmetic mean, 2008 survey
Sample: 1819 homes

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.