A pilot study of differences in behavioral and linguistic characteristics between Sina suicide microblog users and Sina microblog users without suicide idea
10.3760/cma.j.issn.0254-6450.2015.05.003
- VernacularTitle:新浪微博用户中自杀死亡和无自杀意念者特征差异的研究
- Author:
Li GUAN
1
,
2
;
Bibo HAO
;
Tianli LIU
;
Qijin CHENG
;
Yip Paul Siu Fai
;
Tingshao ZHU
Author Information
1. 100101北京,中国科学院心理研究所社会与工程研究室
2. 中国科学院大学
- Keywords:
Suicide;
Microblog;
Microblog use behavior;
Text analysis;
Social media
- From:
Chinese Journal of Epidemiology
2015;36(5):421-425
- CountryChina
- Language:Chinese
-
Abstract:
Objective To investigate how suicide microblog users in China "act" and "speak" differently from other microblog users without suicide idea.Methods The suicide group consisted of 31 Chinese microblog users identified as suicide via online information provided by a Sina microblog user,and the control group consisted of 30 active microblog users without suicide idea screened by using suicide-related psychological scales.The differences in 10 microblog use behavioral characteristics and 88 linguistic characteristics between the suicide group and the control group were compared with normality test and rank sum test respectively.Results In the behavioral characteristics,the suicide group used hyperlinks and "@" less frequently than the control group [0.04 (0.04) vs.0.06 (0.04),P=0.029;0.60 (0.27) vs.0.69 (0.18),P=0.028],and was more self-focused [0.47 (0.25) vs.0.30 (0.10),P=0.010].In the linguistic characteristics,the suicide group showed less frequency in using measure word,work related word and apostrophe than the control group (P<0.05),and showed more frequency in using pronoun,personal pronoun,third person singular,non-specific pronoun,word expressing social experience,word expressing anxiety,word expressing exclusion,sexual word,religious word,second person singular,human being related word,negative emotion related word,anger related word,sadness or death related word (P<0.05).Conclusion Suicides seemed to interact less with others,showed more self-concern and more negative expressions,use more cognitively exclusive,death-related,religion-related words,and use less work-related words.The results of this study might be helpful for the research on suicide among netizen.