Decrease hospitalization for childhood asthma in smoke-free legislation country

It is well documented, that people who worked in an environment with smoke, like barman for example showed a marked decreased of respiratory problem whith a smoke-free environment. But the question was, do people who do not have occupational exposure to environmental tobacco smoke would show similar result?

According to a study done in Scotland and that was published in The Journal of New England Medecine, in 2010, they study the rate of admissions for childhood asthma in hospital, after the legislation. The result showed an 18% decrease in the rate of admissions for children , showing a marked reduction of respiratory disease in the population, other than those associated with occupational exposure.