title: Clean indoor air: advances in California, 1990-1999.
abstract: OBJECTIVE
  This study assessed progress in achieving clean indoor air in California.
  
  
  METHODS
  Data were from large, cross-sectional population-based surveys (1990-1999).
  
  
  RESULTS
  Indoor workers reporting smoke-free workplaces increased from 35.0% (95% confidence interval [CI] = 33.7, 36.3) in 1990 to 93.4% (95% CI = 92.6, 94.2) in 1999. Exposure of nonsmoking indoor workers to secondhand tobacco smoke decreased from 29.0% (95% CI = 27.2, 30.8) to 15.6% (95% CI = 14.1, 17.1). Adults with smoke-free homes increased from 37.6 % (95% CI = 35.1, 40.1) in 1992 to 73.7% (95% CI = 73.2, 74.2) in 1999; nearly half of smokers in 1999 had smoke-free homes. In 1999, 82.2% (95% CI = 81.5, 82.9) of children and adolescents (0-17 years) had smoke-free homes, up from 38.0% (95% CI = 35.1, 40.9) in 1992.
  
  
  CONCLUSIONS
  California's advances highlight an important opportunity for tobacco control.
authors: Cancer Prevention and Control Program, Cancer Center, University of California, San Diego, La Jolla, Calif 92093-0645, USA.
authors: Elizabeth A
authors: EA
authors: Gilpin
authors: Arthur J
authors: AJ
authors: Farkas
authors: Sherry L
authors: SL
authors: Emery
authors: Christopher F
authors: CF
authors: Ake
authors: John P
authors: JP
authors: Pierce
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D016902:Air Pollution, Indoor / Q000331:legislation & jurisprudence / Q000517:prevention & control* / Q000706:statistics & numerical data; D002140:California; D003430:Cross-Sectional Studies; D005191:Family Characteristics; D006293:Health Promotion / Q000331:legislation & jurisprudence*; D006798:Housing / Q000592:standards / Q000706:statistics & numerical data; D006801:Humans; D007407:Interviews as Topic; D008875:Middle Aged; D016273:Occupational Exposure / Q000517:prevention & control* / Q000706:statistics & numerical data; D015397:Program Evaluation; D016540:Smoking Cessation / Q000208:ethnology / Q000706:statistics & numerical data*; D011049:Social Control Policies / Q000331:legislation & jurisprudence*; D014028:Tobacco Smoke Pollution / Q000331:legislation & jurisprudence / Q000517:prevention & control* / Q000706:statistics & numerical data; D017132:Workplace / Q000331:legislation & jurisprudence / Q000706:statistics & numerical data
chemical_list: D014028:Tobacco Smoke Pollution