Fig. 2From: Incorporating environmental variables as precursor background variables of the theory of planned behavior to predict quitting-related intentions: a comparative study between adult and young adult smokersPath coefficients for a model predicting intention to take measures to quit among Texas adult smokers (N = 395): Texas, United States, 2007 Note: The effects of precursor background variables on three global constructs of the theory of planned behavior (i.e., attitude, subjective norm, and perceived behavioral control) were adjusted for age, sex, and race/ethnicity. a reference category is living in a city without comprehensive smoke-free air law. * p < .05, ** p < .01Back to article page