Indoor Air Laws Up Adoption of Smokefree-Home Policy

But, only half of U.S. households with children and smokers have complete home smoking bans

WEDNESDAY, Nov. 9 (HealthDay News) -- Clean indoor air laws are associated with increased adoption of smokefree-home policies; and complete home smoking bans more than tripled among U.S. households from 1992/1993 to 2006/2007, according to two studies published online Nov. 8 in the American Journal of Preventive Medicine.

Kai-Wen Cheng, Ph.D., from the University of California in San Francisco, and colleagues investigated the influence of smokefree workplace and public place laws on the adoption of voluntary smokefree policies in U.S. homes. Data were collected from 1992 to 2007, and analyzed in 2010 and 2011. Living in a county with 100 percent clean indoor air laws correlated with an increased likelihood of having a 100 percent smokefree home. This was true for those who live with smokers and those who don't live with smokers (odds ratios, 7.76 and 4.12, respectively).

Alice L. Mills, M.D., M.P.H., from the University of California San Diego in La Jolla, and colleagues examined the prevalence of home smoking bans over time and by domestic subgroups among 22,746 U.S. households with both children and smokers. Data were collected in 1992/1993 and 2006/2007, and analyzed in 2010/2011. Complete home smoking bans more than tripled from 14.1 (1992/1993) to 50.0 percent (2006/2007), with non-Hispanic white and African-American smoking families lagging behind Asian/Pacific Islanders and Hispanics. In 2006/2007, smoking at home was allowed by 67.2 percent of African-American smoking families and 59.2 percent of smoking families with children aged 14 years or older.

"Only half of U.S. households with both children and smokers had complete home smoking bans," Mills and colleagues write.

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