ANALYSIS OF EXTERNAL FACTORS OF SMOKING BEHAVIOR AMONG STUDENTS
State Senior High School 4 of Manado has implemented a rule that limits the space for smoking, marked with a sign "No smoking in designated areas" since early 2016. This policy and regulation need to be done to prevent the students smoking in the school area. However, in reality they tend to do the opposite. Based on direct obsevation toward the students, the teachers become an example of smoking in state Senior High School 4 of Manado. Smoking teachers become one of the factors that cause students to smoke. The purpose of this study is to analyze the external factors of smoking behavior of state Senior High School 4 of Manado students. This research is an analytic observational study with Cross sectional study design. The independent variables are the smoking behavior in the family and the reverence of the people around and the dependent variabel is the smoking behavior. The population of this study was 653 students both male and female. As the results of calculation, 257 students were accounted for the sample of this research, using simple random sampling. The instrument used in this research is questionnaire. The result data was analyzed with univariat and bivariate by using chi square test to see the correlation of smoking behavior on students by calculating prevalence ratio (RP). As the result of data analysis, there is a significant relationship between smoking behavior in the family and of students, marked by p = 0,000; RP = 2,666 smoking behavior in the family is the risk factor in students’ smoking behavior. There is a significant association between people around the students and their smoking behavior, marked by p = 0,000; RP = 5,559 example given by the people around is a risk factor to smoking behavior. Conclusion: There is a significant correlation between family members who smoke and smoking behavior of state Senior High School 4 of Manado students and there is a significant relationship between reference group to smoking behavior and references of people around is a factor risk to smoking behavior of state Senior High School 4 of Manado students. Suggestion: The school to apply strictly the regulation of non-smoking area in state Senior High School 4 of Manado.