Title: | Risk of suicide after a self-poisoning episode: a self-controlled case series study |
Authors: | Zongzhi Xu, Author ; Jiannan Yang, Author ; Qingpeng Zhang, Author |
In : | SOCIAL PSYCHIATRY AND PSYCHIATRIC EPIDEMIOLOGY (56(12), 2021) |
Article on page: | 2155-2162 |
Languages: | English |
Descriptors: |
SANTEPSY ETUDE LONGITUDINALE ; EVALUATION ; INTOXICATION ; RECIDIVE SUICIDAIRE ; RISQUE SUICIDAIRE ; SUICIDANT ; SUICIDE |
Abstract: |
Purpose : The risk of death from suicide after self-poisoning has been known to be significantly higher as compared to the general population. Nevertheless, the change in suicide risk before and after self-poisoning is still unclear.
Methods : The database of territory-wide medical records collected by the Hospital Authority of Hong Kong was used to identify inpatients who have survived the first-ever self-poisoning but died by suicide between January 1, 2001, and December 31, 2010. A self-controlled case series (“SCCS”) design controlling for time-invariant patient confounders was used to explore the temporal change in suicide risk after the first self-poisoning episode. Results : During the study period, 227 people in the database died from suicide after surviving one episode of self-poisoning. A significant increase of the risk of suicide in the first 12 months after the first lifetime self-poisoning—Risk Ratio (“RR”) 2.88 (95% CI 1.74–4.76)—was detected. The RR gradually returned to baseline levels after the second post-poisoning period. Conclusion : By within-person comparison, the net increase of the suicide risk caused by the first self-poisoning was quantitatively modeled, demonstrating that the first lifetime self-poisoning event itself is a modifiable risk factor of subsequent suicide death. |
Link for e-copy: | https://go.openathens.net/redirector/ghu-paris.fr?url=https://link.springer.com/article/10.1007/s00127-021-02074-0 |
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Location | Call number | Emplacement | Media type | Section | Status |
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Bibliothèque Henri Ey | s.c. | Périodique | Indéterminé | Not for loan |