Table 1 Characteristics of included articles
Author | Year of publication | Study period | Region level | Risk of bias | Study design | Population size | Source of data | Suicide methods |
|---|---|---|---|---|---|---|---|---|
He, et al. [33] | 1998 | 1968–1992 | Multiple regions | High | Review | Not stated | “Appeared in Chinese publications” (Not clear) | Yes |
Ji, et al. [34] | 2001 | 1988, 1990, 1992 | Multiple regions | Low | Review and Secondary data analysis | Not stated | The Chinese Ministry of Public Health (CMPH) | Yes |
Li, et al. [35] | 2009 | Not Applicable | Multiple regions | High | Review | Not stated | Not mentioned | Yes |
Lu, et al. [25] | 2013 | 2004–2005 | Yunnan Province | Moderate | Register studies | 8,128,780 | The Ministry of Health Vital Registration (MOH-VR) system, Police departments, Civil Affairs departments, Medical Institutions and Family Planning Departments | Yes |
Page, et al. [36] | 2017 | 2006–2013 | Multiple regions | Low | Register studies | 73,000,000 | The Chinese Disease Surveillance Points (DSP) system | Yes |
Phillips, et al. [37] | 2002 | 1995–1999 | Multiple regions | Low | Register studies | 110,000,000 | The Chinese Ministry of Health (MOH) | Yes |
Sha, et al. [43] | 2017 | 1990–2010 | Multiple regions | Moderate | Register studies | Roughly 8% of the national population | The Chinese Ministry of Health Vital Registration (MOH-VR) System | No |
Sun, et al. [26] | 2013 | 1991–2010 | Shandong province | Moderate | Register studies | 12,000,000 (13% of the total population in the province) | Shandong Disease Surveillance Point (DSP) | Yes |
Sun, et al. [41] | 2014 | 2002–2011 | Multiple regions | Low | Register studies | 8% of the national population | The Ministry of Health (MOH) of the People’s Republic of China | No |
Wang, et al. [16] | 2014 | 2002–2011 | Multiple regions | Low | Register studies | 8% of the national population | The China’s Ministry of Health Vital Registration (MOH-VR) system | No |
Yang, et al. [22] | 2005 | 1996–2000 | Multiple regions | Moderate | Cross-sectional studies | 895 | 23 of the 145 National Disease Surveillance Point (NDSP) system | Yes |
Yip, et al. [28] | 2000 | 1991–1996 | Beijing city | Moderate | Register studies | Not stated | Beijing Public Security Bureau | Yes |
Yip, et al. [44] | 2005 | 1991–2000 | Multiple regions | Moderate | Register studies | 10% of the national population | The Ministry of Health (MOH) of the People’s Republic of China | No |
Yip, et al. [7] | 2008 | 1990–2000 | Multiple regions | Low | Register studies | 10% of the national population | The Ministry of Public Health (MOH) of the People’s Republic of China | No |
Yip. [29] | 2001 | 1987–1996 | Beijing city | Low | Register studies | Not stated | The Ministry of Public Health (MOH) of the People’s Republic of China | No |
Zhong, et al. (a) [23] | 2016 | 1987–2014 | Multiple regions | Low | Register studies | 323,800,000 | The Ministry of Public Health Vital Registration (MOH-VR) system of the People’s Republic of China and the Integrated National Mortality Surveillance System (INMSS) | No |
Zhong, et al. (b) [39] | 2016 | 2013–2014 | Multiple regions | Low | Register studies | 323,800,000 | The Integrated National Mortality Surveillance System (INMSS) | No |
Peng, et al. (In Chinese) [30] | 2013 | 2006–2010 | Chengdu city | Moderate | Register studies | 15,436,893 | Chengdu Death Registration Reporting Information system | Yes |
Xu, et al. (in Chinese) [32] | 1993 | 1988–1990 | Yantai city and Laiyang rural area | Moderate | Case-control | 878,951 (rural)/317,328 (urban) | Household death registration | Yes |
Xu, et al. (in Chinese) [27] | 2000 | 1990–1998 | Hunan province: Changsha city and Liuyang county | Low | Register studies | Not stated | Hunan public health department | Yes |
Li, et al. (in Chinese) [58] | 2007 | 2004–2005 | Zhuhai city | Moderate | Register studies | Not stated | Zhuhai Disease Surveillance system | Yes |
Cai, et al. (in Chinese) [40] | 2012 | 2010 | Multiple regions | Low | Register studies | 730,000,000 | National Disease Surveillance (NDS) system | No |
Wang (in Chinese) [42] | 2013 | 2004; 2010 | Multiple regions | Low | Register studies | Not stated | Chinese Statistical Year Book | No |
Yan. (in Chinese) [38] | 2003 | 1990; 1995; 2000 | National (41 urban cities and 101 rural areas) | Low | Register studies | Not stated | Chinese Statistical Year Book | No |