November 10, 2011   Smoking bans in public places have had a spillover effect by reducing smoking in homes as well, according to a study published in the American Journal of Preventive Medicine. U.S. researchers analyzed data from a nationally representative household survey of tobacco use and found that people who lived in counties with total smoking bans in workplaces, restaurants, and bars were more likely to have total smoking bans at home. Homes with children were most likely to be smoke-free. “Since the home remains a major source of secondhand smoke exposure for children, this work shows that an additional justification for enacting smoke-free legislation is the secondary effect of encouraging voluntary smoke-free rules at home, particularly in homes occupied by smokers,” said lead investigator Stanton Glantz.

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http://health.usnews.com/health-news/family-health/articles/2011/11/08/public-smoking-bans-may-spill-over-to-households