Smoking, tobacco smoke pollution, environmental exposure, family health, health policy, Mexico.
ABSTRACTSmoking and passive smoking represent leading public health problems in Mexico (1-3). Over the last decade, Mexico has developed tobacco control measures to curb the tobacco epidemic, including laws to protect nonsmokers from passive smoking (1, 4). These measures should be complemented with surveillance of key tobacco control outcomes, such as the prevalences of such things as smoking, passive smoking, smoke-free policies; societal sentiments against smoking; and physician advice related to smoking cessation and the avoidance of secondhand smoke. The last Mexican national surveys on passive smoking (2) and on tobacco use (3) date from 1998 and 2000, respectively. To our knowl-