Yanmei Shen1,2, Bella Siu Man Chan2, Chunxiang Huang1, Xilong Cui1, Jianbo Liu3, Jianping Lu3, Marguerite Patel4, Christopher D Verrico4, Xuerong Luo5, Xiang Yang Zhang6,7. 1. China National Clinical Research Center for Mental Disorders, and Department of Psychiatry, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China. 2. The Department of Educational and Counselling Psychology, and Special Education, The University of British Columbia, Vancouver, Canada. 3. Department of Child and Adolescent Psychiatry of Shenzhen Kangning Hospital, Shenzhen Mental Health Center, Shenzhen, China. 4. Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine, Houston, TX, USA. 5. China National Clinical Research Center for Mental Disorders, and Department of Psychiatry, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China. luoxuerong@csu.edu.cn. 6. Department of Psychiatry and Behavioral Sciences, The University of Texas Health Science Center at Houston, UT Houston Medical School, Houston, TX, 77054, USA. xiang.y.zhang@uth.tmc.edu. 7. Institute of Psychology, Chinese Academy of Sciences, Beijing, China. xiang.y.zhang@uth.tmc.edu.
Abstract
BACKGROUNDS: Associations between attention deficit hyperactivity disorder (ADHD) subtypes and suicidal behaviors remains unclear. The current study explored the prevalence of suicidal behaviors, and its association with ADHD among Chinese medical students. METHODS: Five thousand six hundred ninety-three medical college students participated. Symptoms of suicidal behaviors, ADHD, anxiety, depression, tobacco and alcohol use were assessed using online questionnaires. RESULTS: The prevalence of lifetime suicidal ideation, suicide plans, and suicide attempts among medical college students were 27.5, 7.9 and 14.8% respectively. Participants with ADHD predominantly inattentive type (ADHD-I) had more than fivefold increased odds of suicidal behaviors, the adjusted odds ratios (ORs) of ADHD-I and ADHD combined type (ADHD-C) remained significant after controlling for confounding factors. CONCLUSIONS: ADHD is associated with high risk of suicidal behaviors. ADHD-I and ADHD-C were strongly associated with suicidal behaviors independent of comorbidities. The finding suggests the importance of addressing ADHD symptoms in suicide prevention.
BACKGROUNDS: Associations between attention deficit hyperactivity disorder (ADHD) subtypes and suicidal behaviors remains unclear. The current study explored the prevalence of suicidal behaviors, and its association with ADHD among Chinese medical students. METHODS: Five thousand six hundred ninety-three medical college students participated. Symptoms of suicidal behaviors, ADHD, anxiety, depression, tobacco and alcohol use were assessed using online questionnaires. RESULTS: The prevalence of lifetime suicidal ideation, suicide plans, and suicide attempts among medical college students were 27.5, 7.9 and 14.8% respectively. Participants with ADHD predominantly inattentive type (ADHD-I) had more than fivefold increased odds of suicidal behaviors, the adjusted odds ratios (ORs) of ADHD-I and ADHD combined type (ADHD-C) remained significant after controlling for confounding factors. CONCLUSIONS:ADHD is associated with high risk of suicidal behaviors. ADHD-I and ADHD-C were strongly associated with suicidal behaviors independent of comorbidities. The finding suggests the importance of addressing ADHD symptoms in suicide prevention.
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