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Liu BP, Jia CX, Qin P, Zhang YY, Yu YK, Luo X, Li SX. Associating factors of suicide and repetition following self-harm: A systematic review and meta-analysis of longitudinal studies. EClinicalMedicine 2022; 49:101461. [PMID: 35747199 PMCID: PMC9126760 DOI: 10.1016/j.eclinm.2022.101461] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 04/26/2022] [Accepted: 05/04/2022] [Indexed: 11/29/2022] Open
Abstract
BACKGROUND Longitudinal evidence for sociodemographic and clinic factors deviating risk for suicide and repetition following SH (self-harm) varied greatly. METHODS A comprehensive search of PubMed, Web of Science, EMBASE, and PsycINFO was conducted from January 1st, 2010 to April 5th, 2022. Longitudinal studies focusing on examining associating factors for suicide and repetition following SH were included. PROSPERO registration CRD42021248695. FINDINGS The present meta-analysis synthesized data from 62 studies published from Jan. 1st, 2010. The associating factors of SH repetition included female gender (RR, 95%CI: 1.11, 1.04-1.18, I2=82.8%), the elderly (compared with adolescents and young adults, RR, 95%CI: 0.67, 0.52-0.87, I2=86.3%), multiple episodes of SH (RR, 95%CI: 1.97, 1.51-2.57, I2=94.3%), diagnosis (RR, 95%CI: 1.60, 1.27-2.02, I2=92.7%) and treatment (RR, 95%CI: 1.59, 1.40-1.80, I2=93.3%) of psychiatric disorder. Male gender (RR, 95%CI: 2.03, 1.80-2.28, I2=83.8%), middle-aged adults (compared with adolescents and young adults, RR, 95%CI: 2.40, 1.87-3.08, I2=74.4%), the elderly (compared with adolescents and young adults, RR, 95%CI: 4.38, 2.98-6.44, I2=76.8%), physical illness (RR, 95%CI: 1.95, 1.56-2.43, I2=0), multiple episodes of SH (RR, 95%CI: 2.02, 1.58-2.58, I2=87.4%), diagnosis (RR, 95%CI: 2.13, 1.67-2.71, I2=90.9%) and treatment (RR, 95%CI: 1.36, 1.16-1.58, I2=58.6%) of psychiatric disorder were associated with increased risk of suicide following SH. INTERPRETATION Due to the substantial heterogeneity for clinic factors of suicide and repetition following SH, these results need to be interpreted with caution. Clinics should pay more attention to the cases with SH repetition, especially with poor physical and psychiatric conditions. FUNDING This work was supported by National Natural Science Foundation of China (NSFC) [No: 82103954; 30972527; 81573233].
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Affiliation(s)
- Bao-Peng Liu
- Department of Epidemiology, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
- Center for Suicide Prevention Research, Shandong University, Jinan, Shandong, China
| | - Cun-Xian Jia
- Department of Epidemiology, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
- Center for Suicide Prevention Research, Shandong University, Jinan, Shandong, China
- Corresponding author at: Department of Epidemiology, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, China.
| | - Ping Qin
- National Centre for Suicide Research and Prevention, Institute of Clinical Medicine of University of Oslo, Oslo, Norway
| | - Ying-Ying Zhang
- Department of Epidemiology, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
- Center for Suicide Prevention Research, Shandong University, Jinan, Shandong, China
| | - Yao-Kun Yu
- Department of Epidemiology, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
- Center for Suicide Prevention Research, Shandong University, Jinan, Shandong, China
| | - Xiao Luo
- Department of Epidemiology, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
- Center for Suicide Prevention Research, Shandong University, Jinan, Shandong, China
| | - Shi-Xue Li
- Centre for Health Management and Policy Research, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, China
- Corresponding author at: Centre for Health Management and Policy Research, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, China.
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