Meanings of smoking among adolescents in Chiang Mai, Thailand.

The Meanings of Smoking Index-2 (MSI-2) was administered to 2516 Thai adolescents in an urban, suburban, rural, and vocational high school. Factor analysis identified six meanings of smoking factor domains: coping, social image, stimulation, weight, independence, and difficulty refusing smoking. Logistic regression analyses determined that the strongest positive association with smoking behavior and ever smoking was the coping domain, and coping was also positively associated with susceptibility to smoking.