Journal of Shandong University (Health Sciences) ›› 2022, Vol. 60 ›› Issue (1): 86-92.doi: 10.6040/j.issn.1671-7554.0.2021.0347

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Relationship between exposure to suicidal behaviors and suicide attempt of rural residents

YAO Zhiying1, WEI Yanxin1, WANG Xinting1, ZHANG Jie1,2, JIA Cunxian1   

  1. 1. Department of Epidemiology, School of Public Health, Cheeloo College of Medicine &
    Center for Suicide Prevention Research, Shandong University, Jinan 250012, Shandong, China;
    2. Department of Sociology, State University of New York College at Buffalo, Buffalo NY14222, New York, the United States
  • Published:2022-01-08

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Abstract: Objective To explore the relationship between exposure to suicidal behaviors and suicide attempt of rural residents, and to provide a scientific basis for the formulation of relevant preventive measures. Methods A 1∶1 matched case-control study was designed to collect 610 suicide attempt cases and 610 controls as the case group and the control group in rural areas of Shandong Province. The data of the research subjects were obtained through face-to-face interviews, and the multivariate conditional Logistic regression model was used to analyze the relationship between exposure to suicidal behavior and suicide attempt. Results There was no statistical difference in age between the case group and the control group(31.80±8.01 vs 32.00±7.98, P=0.662), and 61.6%(376/610)were females in each group. Exposure to suicidal behavior, suicide death, and suicide attempt in the case group accounted for 7.0%(43/610), 3.0%(18/610)and 4.0%(25/610), respectively, which were higher than those in the control group(all P<0.05), about 2.0%(12/610), 0.7%(4/610)and 1.3%(8/610), respectively. Multivariate conditional Logistic regression model analysis showed that after adjusting for effects of confounding factors such as gender, age, education level, marital status, family economic status, physical illness, mental illness, anxiety level, social support level, impulsivity level, hopelessness level and other factors, history of exposure to suicidal behavior, history of exposure to suicide death and history of exposure to suicide attempt were all risk factors for suicide attempt, with OR(95%CI)of 4.70(1.78-12.43), 6.85(1.37-34.33)and 3.67(1.07-12.62), respectively. Conclusion Exposure to suicidal behavior is a risk factor for suicide attempt.

Key words: Exposure to suicidal behavior, Suicide attempt, Relatives, Rural population, Case-control study

CLC Number: 

  • R181
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