National representative samples of and people, respectively, were conducted successfully by telephone in July pre-law and March post-law. Results reveal that the prevalence of thinking about the health hazards of smoking among smokers increased from The prevalence rates of smokers who reported thinking of quitting rose from In conclusion, the implementation of a smoke-free law in combination with graphic cigarette warning labels has been effective in increasing thoughts about the health hazards of smoking and quitting smoking. The World Health Organization WHO has predicted that tobacco use may kill a billion people by the end of this century. More than three quarters of tobacco-attributable deaths will be in low- and middle-income countries [ 1 ].

About two thirds of those sampled were from rural areas and one third were from urban areas. Age at smoking initiation declined by about 3 years for both men and women from 28 to 25 years. Of the nonsmokers, Respondents were generally supportive of tobacco control measures. As the world's largest producer and consumer of tobacco, China bears a substantial proportion of the global burden of smoking-related disease.

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