Adolescents in families with more-authoritative parents were half as likely to smoke by follow-up as adolescents in families with less-authoritative parents (20% vs 41%, p<0.0001). In families with more-authoritative parents, adolescents who were highly receptive to tobacco-industry advertising and promotions were significantly more likely to smoke (odds ratio=3.52, 95% confidence interval =1.10-11.23), compared to those who were minimally receptive