Association of retail tobacco marketing with adolescent smoking.

A survey of 2125 middle-school students in central California examined adolescents' exposure to tobacco marketing in stores and its association with self-reported smoking. Two thirds of sixth-, seventh-, and eighth-grade students reported at least weekly visits to small grocery, convenience, or liquor stores. Such visits were associated with a 50% increase in the odds of ever smoking, even after control for social influences to smoke. Youth smoking rates may benefit from efforts to reduce adolescents' exposure to tobacco marketing in stores.