Background. In 2005, Uruguay instituted a nationwide tobacco control campaign that has resulted in a substantial decline in nationwide smoking rates. We sought to determine the quantitative contributions of each of the major tobacco control measures adopted by the Uruguayan government. We...

We asked 97 cigarette smokers to make a series of 12 binary choices between experimental cigarette packages with varying warnings and background colors. Each smoker had to decide which of the two packages contained cigarettes less risky for his health. We tested whether the smokers, confronted...