. Author manuscript; available in PMC: 2015 Aug 14.

Published in final edited form as: Int J Psychiatry Med. 2015 Jun 9;49(4):296–308. doi: 10.1177/0091217415589306

TABLE 1.

Summary of selected studies on suicidal ideations and suicide attempts

Study	Region	Years study conducted	Sampling method	Age (years)	Sample size	Response rate (%)	Cases with suicidal behavior
Study	Region	Years study conducted	Sampling method	Age (years)	Sample size	Response rate (%)	Lifetime	One year
Ma WJ 2010	mixed	2007	PPS	16 above	6670	99.3	-	SA^a: 52
Sun XL 2010	mixed	2004–2005	M, C	18 above	24000	86.3	SA^a: 170	SA^a: 37
Yao J 2010	Mixed	2005–2006	PPS	15 above	5060	99.5	SI^b: 304; SA: 40	-
Feng SS 2004	rural	2003	S, R	18 above	946	90.2	SI^c: 201	SI^c: 114
Wang WQ 2012	Mixed	2010	M, C	18 above	12051	89.2	SA^a: 59	SA^a: 9
Lee S 2007	urban	2001–2002	M, C	18 above	5201	74.6	SI^b: 160; SA^a: 49	-
Ma X 2009	mixed	2003	M, S	15 above	6251	94.8	SI^b: 136; SA^a: 59	-
Wang ZZ 2013	Mixed	2011–2012	PPS	18 above	5526	86.7	SI^b: 252, SA^a: 37	SI^b: 94, SA^a: 9

Sample method: M: multistage sampling; C: cluster sampling, S: stratified sampling, R: random sampling; PPS: sampling with probability proportional to size. SI: suicidal ideation, SA: suicide attempt.

Respondents answering “yes” to “have you ever attempted suicide?”.

Respondents answering “yes” to “have you ever seriously thought about committing suicide?”.

Respondents answering “yes” to “have you ever thought of ending your life?”.