Title Page
Contents
Abstract 7
Introduction 9
Materials and Methods 11
1. Study population 11
2. Study variables 12
1) Smoking status 12
2) Socio-demographic factors 12
3) Health-related factors 13
4) Smoking-related factors 13
3. Statistical analysis 14
Results 15
1. General characteristics of the study populations 15
2. Current smoking prevalence of younger and older young adults 17
3. Factors affecting current smoking of young adults by age groups 19
Discussion 21
References 25
초록 32