T2 shows no change by 2011 , but a large reduction by 2012 . Panel shows the association with fine particulate matter. PM2.5 concentration did not change significantly in the control group between baseline and follow-up. Households in T1 show significant reduction in average PM2.5 concentration at the first and second follow-ups. Households in T2 […]
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A homogeneous risk of smoking and passive smoking was assumed
Smoke-free workplaces substantially reduce exposure to secondhand smoke and the associated cardiovascular risks for passive smokers. Smoke-free workplaces also reduce cigarette consumption among smoking employees by 29% by making it easier for them to quit or reduce consumption . However, only about 69% of U.S. indoor workers reported being covered by a smoke free workplace policy […]