Abstract
BackgroundBoth alcohol use and cigarette smoking have been identified as risk factors for suicidal behaviors. However, suicide is a process from ideation to action, and some evidence have implied us that alcohol use and cigarette smoking may play different roles in the different process of suicidal behaviors. MethodsData was derived from the 2019 Youth Risk Behavior Survey (YRBS), and a total of 12, 487 valid samples were analyzed in the study. To distinguish the different situation of suicidal behaviors, participants were divided into general people without any suicidal behavior (GNS), suicidal ideators without plan or attempt (SINPA), suicide planners without attempt (SPNA), and suicide attempters (SA).11GNS denotes to general people without any suicidal behavior, SINPA denotes to suicidal ideators without plan or attempt, SPNA denotes to suicide planners without attempt, SA denotes to suicide attempters. ResultsThe prevalence of suicidal ideation, plan, and attempt were 19.4 %, 15.9 %, and 7.7 %, respectively. Comparing to GNS, alcohol use and cigarette smoking were associated with SINPA (OR = 1.27, P < 0.05; OR = 1.47, P < 0.001), SPNA (OR = 1.29, P < 0.01; OR = 1.26, P < 0.01), and SA (OR = 1.31, P < 0.01; OR = 2.11, P < 0.001). However, alcohol use was not associated with SA comparing to SINPA (OR = 1.05, P > 0.05) and SPNA (OR = 1.03, P > 0.05), while cigarette smoking was associated with SA (OR = 1.40, P < 0.01; OR = 1.74, P < 0.001). LimitationsFirstly, using the secondary data was possibly limited. Next, this was a cross-sectional study, the casual relationship was unsure. Lastly, the amount of alcohol consumption and cigarette smoking status were not considered. ConclusionBoth alcohol use and cigarette smoking are risk factors for any suicidal behaviors. However, controlling alcohol use may be a limited method to prevent the further suicidal behaviors for ideators and planners. Managing cigarette smoking should be considered.
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