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  4. Vol 3, Issue 2, 2023

Effect of smoking on suicide in adolescents with major depressive disorder

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DOI: 10.23977/phpm.2023.030205 | Downloads: 11 | Views: 370

Author(s)

Xinglian Zhang 1, Jiaquan Liang 1

Affiliation(s)

1 The Third People's Hospital of Foshan, Foshan, Guangdong, 528000, China

Corresponding Author

Jiaquan Liang

ABSTRACT

The prevalence of major depressive disorder (MDD) has increased in all age groups, and adolescents are growing faster than adults. Many adolescents with MDD have smoking behavior, which may be a risk factor for suicidal behavior. Methods Adolescents with MDD (AMDD, 12≤age≤18 years old) were from 16 mental health centers in 9 provinces in China. They were divided into never smoking, previous smoking and current smoking, assessed with Generalized Anxiety Disore-7 (GAD-7) and Patient Health Questionnaire-9 (PHQ-9) scales, as well as suicidal ideation and suicide behavior records. Thenspearman correlation and binary logistic regression were used to analyze the relationship between smoking and suicide. The incidence of suicide in never, previous and current smoking groups were 41.74%, 66.67% and 62.50%. Most of the suicide methods used by AMDD were cutting skin or blood vessels (50.13%), taking poisons, drugs or alcohol (30.42%) and falling to death (11.64%). Spearman correlation analysis showed that the occurrence of suicidal behavior was positively correlated with smoking (rs = 0.139, p<0.001) and the score of GAD-7 (rs = 0.172, p<0.001) / PHQ-9 (rs = 0.238, p<0.001). Binary logistic regression results determined that current smoking (OR = 2.227, p<0.001) and previous smoking (OR = 2.337, p<0.001) were the risk factors for suicide. Each unit of PHQ-9 score increased the suicide risk by 8.2%.Smoking is the risk factor for suicidal behavior. In the treatment of AMDD, strengthen the education on smoking prohibition is essential.

KEYWORDS

Adolescents; Major depressive disorder; Suicide; Smoking; Behavior

CITE THIS PAPER

Xinglian Zhang, Jiaquan Liang, Effect of smoking on suicide in adolescents with major depressive disorder. MEDS Public Health and Preventive Medicine (2023) Vol. 3: 29-34. DOI: http://dx.doi.org/10.23977/phpm.2023.030205.

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