Xiao-Lan Cao1, Bao-Liang Zhong2, Yu-Tao Xiang3, Gabor S Ungvari4, Kelly Y C Lai2, Helen F K Chiu2, Eric D Caine5. 1. Department of Psychiatry, Chinese University of Hong Kong, Hong Kong SAR, China Shenzhen Kangning Hospital, Shenzhen, China. 2. Department of Psychiatry, Chinese University of Hong Kong, Hong Kong SAR, China. 3. Faculty of Health Sciences, University of Macau, Macao SAR, China xyutly@gmail.com. 4. School of Psychiatry and Clinical Neurosciences, University of Western Australia, Perth, Australia The University of Notre Dame Australia/Marian Centre, Perth, Australia. 5. Injury Control Research Center for Suicide Prevention, Department of Psychiatry, University of Rochester Medical Center, Rochester, NY, USA.
Abstract
OBJECTIVE: The objective of this meta-analysis is to estimate the pooled prevalence of suicidal ideation and suicide attempts in the general population of Mainland China. METHODS: A systematic literature search was conducted via the following databases: PubMed, PsycINFO, MEDLINE, China Journals Full-Text Databases, Chongqing VIP database for Chinese Technical Periodicals, and Wan Fang Data. Statistical analysis used the Comprehensive Meta-Analysis program. RESULTS: Eight studies met the inclusion criteria for the analysis; five reported on the prevalence of suicidal ideation and seven on that of suicide attempts. The estimated lifetime prevalence figures of suicidal ideation and suicide attempts were 3.9% (95% confidence interval: 2.5%-6.0%) and 0.8% (95% confidence interval: 0.7%-0.9%), respectively. The estimated female-male ratio for lifetime prevalence of suicidal ideation and suicide attempts was 1.7 and 2.2, respectively. Only the difference of suicide attempts between the two genders was statistically significant. CONCLUSION: This was the first meta-analysis of the prevalence of suicidal ideation and suicide attempts in the general population of Mainland China. The pooled lifetime prevalence of both suicidal ideation and suicide attempts are relatively low; however, caution is required when assessing these self-report data. Women had a modestly higher prevalence for suicide attempts than men. The frequency for suicidal ideation and suicide attempts in urban regions was similar to those in rural areas.
OBJECTIVE: The objective of this meta-analysis is to estimate the pooled prevalence of suicidal ideation and suicide attempts in the general population of Mainland China. METHODS: A systematic literature search was conducted via the following databases: PubMed, PsycINFO, MEDLINE, China Journals Full-Text Databases, Chongqing VIP database for Chinese Technical Periodicals, and Wan Fang Data. Statistical analysis used the Comprehensive Meta-Analysis program. RESULTS: Eight studies met the inclusion criteria for the analysis; five reported on the prevalence of suicidal ideation and seven on that of suicide attempts. The estimated lifetime prevalence figures of suicidal ideation and suicide attempts were 3.9% (95% confidence interval: 2.5%-6.0%) and 0.8% (95% confidence interval: 0.7%-0.9%), respectively. The estimated female-male ratio for lifetime prevalence of suicidal ideation and suicide attempts was 1.7 and 2.2, respectively. Only the difference of suicide attempts between the two genders was statistically significant. CONCLUSION: This was the first meta-analysis of the prevalence of suicidal ideation and suicide attempts in the general population of Mainland China. The pooled lifetime prevalence of both suicidal ideation and suicide attempts are relatively low; however, caution is required when assessing these self-report data. Women had a modestly higher prevalence for suicide attempts than men. The frequency for suicidal ideation and suicide attempts in urban regions was similar to those in rural areas.
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