A multilevel study of smoking among youths in school at Buriram Province.

Objective: The purpose of this cross-sectional study was to determine status of smoking among youths in school and to identify both student-level and school-level factors on smoking.

Material And Method: A stratified two stage cluster sampling was employed to recruit 2,557 students in grades 10-12 and 30 teachers from 30 high schools in academic years 2010 in Buriram province, using a multilevel logistic analysis.

Results: The current smoking status was 9.