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Table 2 Study characteristics of case–control studies included (n = 15)

From: Association of socio-economic position and suicide/attempted suicide in low and middle income countries in South and South-East Asia – a systematic review

Study Country Cases N (response rate %) Sampling frame Controls N (response rate %) Sampling frame If matched – matching criteria % Male Age range Outcome
Zhang (2004) [50] China 66 (100 %) Public health personnel and villagers 66 (97 %) Neighbourhood Age & sex 73 All ages Suicide
Jia (2005) [9] China 205 (NR) Hospital 205 (NR) Hospital and community Age, sex & area 43 All ages Attempted suicide
Zhang (2010) [13] China 392 (98 %) Surveillance system 416 (97 %) Community controls   51 15-34 Suicide
Sun (2014) [46] China 199 (91 %) Surveillance system 199 (NR) Unclear Age, sex & residence 58 All ages Suicide
Manoranjitham (2010) [42] India 100 (92 %) Surveillance system 100 (100 %) Neighbourhood Age, sex & neighbourhood 59 All ages Suicide
Vijayakumar (1999) [49] India 100 (81 %) Police 100 (94 %) Neighbourhood Age, sex & neighbourhood 55 ≥15 Suicide
Gururaj (2004) [8] India 269 (NR) Police 269 (NR) Neighbourhood Age, sex & community 64 All ages Suicide
Sisask (2010) - A [32] India 680 (NR) Hospital 500 (NR) Community   NR All ages Attempted suicide
Kulkarni (2011) [38] India 100 (NR) NR 100 (NR) NR Age & sex 63 All ages Attempted suicide
Kumar (2013) [48] India 50 (NR) Hospital 50 (NR) Community Age, sex & marital status 44 ≥18 Attempted suicide
Kurihara (2009) [11] Indonesia 60 (94 %) Police 120 (100 %) Neighbourhood Age & sex NR All ages Suicide
Khan (2008) [10] Pakistan 100 (NR) Police 100 (NR) Community Age, sex & area of residence 83 All ages Suicide
Jollant (2014) [37] Philippines 15 (94 %) Local informants 30 (NR) Community Age and sex 73 All ages Suicide
Sisask (2010) - B [32] Sri Lanka 300 (NR) Hospital 684 (NR) Community   NR All ages Attempted suicide
Sisask (2010) - C [32] Vietnam 143 (NR) Hospital 2280 (NR) Community   NR All ages Attempted suicide
  1. NR - Not reported