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Clean Indoor Air: Advances in California, 19901999
Elizabeth A. Gilpin, MS,
Arthur J. Farkas, PhD,
Sherry L. Emery, PhD,
Christopher F. Ake, PhD and
John P. Pierce, PhD
The authors are with the Cancer Prevention and Control Program, Cancer Center, University of California, San Diego, La Jolla, Calif.

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FIGURE 1— Indoor workers reporting smoke-free workplaces (1990, 1992, 1996, and 1999 California Tobacco Surveys).
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FIGURE 2— Californians reporting smoke-free homes (1992, 1993, 1996, and 1999 California Tobacco Surveys).
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FIGURE 3— Children and adolescents living in smoke-free homes (1992, 1993, 1996, and 1999 California Tobacco Surveys).
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Copyright © 2002 by the American Public Health Association
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