[Analysis of trends and influencing factors of pesticide-related suicide based on a sixteen years repeated cross-sectional investigation].

Authors

J Hu, B S Wang, F W Xu, L Han, H D Zhang, B L Zhu

Published in

Zhonghua lao dong wei sheng zhi ye bing za zhi = Zhonghua laodong weisheng zhiyebing zazhi = Chinese journal of industrial hygiene and occupational diseases. Volume 44. Issue 6. Pages 455-458. Jun 20, 2026.

Abstract

Objective: To analyze the trend of pesticide-related suicide incidents in Jiangsu Province, and factors influencing changes in pesticide suicide rates, in order to provide reference for suicide prevention and pesticide management policy formulation. Methods: In December 2022, data on pesticide-related suicides in Jiangsu Province from 2006 to 2021 were collected. The autoregressive integrated moving average (ARIMA) and generalized autoregressive conditional heteroskedasticity (GARCH) models were used for time series analysis. Granger causality test was used to analyze the causal relationship between pesticide-related suicide related indicators and socio-economic and agricultural related indicators. Results: From 2006 to 2021, a total of 41419 cases of pesticide poisoning were reported in Jiangsu Province, including 26426 cases of pesticide-related suicide poisoning, with a mortality rate of 7.84%. The pesticide-related suicide rate among women was 1.25/100000, which was significantly higher than that among men (0.78/100000, OR=0.61, 95%CI: 0.60-0.63, P<0.001). Pesticide-related suicide had obvious seasonal characteristics, with the highest proportion of cases in summer (35.11%). Granger causality test shows that the number of pesticide-related suicides was a one-way Granger cause of the average annual population, and the number of pesticide-related suicide deaths was a one-way Granger cause of pesticide-related suicide (P<0.05). No Granger causality was found between pesticide use, unemployment rate, per capita GDP, with the number of pesticide-related suicides. Conclusion: The number of pesticide-related suicide cases in Jiangsu Province has shown a continuous downward trend from 2006 to 2021, with women having a higher risk of suicide than men, and summer being high-risk periods.

PMID:
42373520
Bibliographic data and abstract were imported from PubMed on 30 Jun 2026.

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