Korean J Health Promot.  2017 Dec;17(4):219-233. 10.15384/kjhp.2017.17.4.219.

The Relationship between Smoking and Suicidal Behavior in Korean Adolescents: 12th Korea Youth Risk Behavior Web-based Survey

• Kim HW
• Kim YK
• Paik JY
• Hong CB
• Lee K
• Park TJ
• Kim J

• KMID: 2399332
• DOI: http://doi.org/10.15384/kjhp.2017.17.4.219

Abstract

BACKGROUND
Suicide is the first leading cause of death among teenagers in Korea, and smoking is reported to be one of the risk factors for suicide. The purpose of this study is to investigate the relationship between smoking and smoking amount and suicidal behavior using data from the Korea Youth Risk Behavior Web-based Survey (KYRBS).
METHODS
Using the 12th KYRBS 2016, we surveyed smoking, smoking amount, suicidal ideation, suicidal planning, and suicidal attempt of adolescents. And a total of 65,528 respondents were divided into current smoker, former smokers, and non-smoker, and 4,012 smokers were classified into ≤9 cigarettes/day group, 10-19 cigarettes/day group, and ≥20 cigarettes/day group according to the amount of smokers. We analyzed the relationship between smoking and smoking amount and suicidal ideation, suicidal planning, and suicidal attempt using multivariate logistic regression analysis.
RESULTS
As a result of adjusting for all confounding variables, the current smoker has an odds ratio of 1.143 (confidence interval 1.020-1.281) with suicidal ideation compared to non-smoker and the odds ratio of suicidal planning and suicidal attempt is also statistically significant, respectively. And the odds ratio of all suicidal behaviors was significantly higher in ≥20 cigarettes/day group than in ≤9 cigarettes/day group, respectively.
CONCLUSIONS
We found that smoking and smoking amount was related to suicidal ideation, suicidal planning, and suicidal attempts in adolescents. Therefore, suicidal prevention strategies considering this relationship should be established.

Keyword

Korea; Adolescent; Suicide; Behavior; Smoking

MeSH Terms

Adolescent*
Cause of Death
Confounding Factors (Epidemiology)
Humans
Korea*
Logistic Models
Odds Ratio
Risk Factors
Risk-Taking*
Smoke*
Smoking*
Suicidal Ideation
Suicide
Surveys and Questionnaires
Smoke

Figure

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  Figure 1 Framework.

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