From pesticides to medicinal drugs: time series analyses of methods of self-harm in Sri Lanka

Silva, Varuni de; Senanayake, S. M. H. M. K.; Dias, Patricia Correa; Hanwella, Raveen

doi:10.2471/blt.11.091785

Cited by 49 publications

(68 citation statements)

References 22 publications

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“…The analyses show several important findings. The reduction in suicide rates, increase in rate of admissions due to poisoning with drugs, medicaments and biological substances and decrease in admissions due to pesticides, in the whole country was reported in a previous study [8]. The district analysis shows that the patterns of admissions vary according to districts.…”

Section: Discussionmentioning

confidence: 50%

“…However, self-poisoning has become more common overall, because medicinal drug overdose and poisoning by other substances classified as "chiefly non-medicinal" are more frequently used for self-harm [8]. This changing pattern of self-poisoning was observed in most districts.…”

Section: Discussionmentioning

confidence: 99%

“…Over the same period, annual admissions resulting from poisoning with pesticides decreased from 105.1 to 88.9 per 100,000 [8].…”

Section: Introductionmentioning

confidence: 97%

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Geographical variation in admissions due to poisoning in Sri Lanka: a time series analysis

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Section: Discussionmentioning

confidence: 50%

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Geographical variation in admissions due to poisoning in Sri Lanka: a time series analysis

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“…Since then the overall rate has fallen by more than half in 2009 to 19.6 per 100,000 (2). The methods of suicide have changed over time.…”

Section: Introductionmentioning

confidence: 99%

“…Other methods used in suicide are burns, hanging, jumping in front of a train and drowning (5). Although the rate of hospital admissions due to poisoning have increased between 1996-2008, admissions due to pesticide poisoning have decreased (2). The main substance used in self poisoning currently is paracetamol and other medicinal drugs (6,7).…”

Section: Introductionmentioning

confidence: 99%

Age and sex specific suicide rates in Sri Lanka from 1995-2011

Silva¹,

Hanwella²,

Senanayake

2013

Sri Lanka J. Psyc.

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Association Between Means Restriction of Poison and Method-Specific Suicide Rates

et al. 2021

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IMPORTANCESuicide is a major and preventable cause of death worldwide. Means restriction aims to reduce the rate of completed suicides by limiting public access to lethal suicide methods. Means restriction of agents used in poisoning is more controversial because there is potential to switch to other lethal methods. OBJECTIVE To identify the changes in suicide rate by the targeted poison and the corresponding changes in suicide by other methods. EVIDENCE REVIEW Five databases (MEDLINE, Embase, Scopus, PsycInfo, and Web of Science)were searched for studies on national means restriction of poison that were published in the English language from inception until December 31, 2019. Of the 7657 articles that were screened by title and abstract, 62 studies were included in the analysis.FINDINGS Sixty-two studies from 26 countries in Europe, the US, Australia, Asia, and the United Kingdom were included in the review. The studies included restrictions on pesticides (15 countries), domestic gas (14 countries), motor vehicle exhaust (9 countries), and pharmaceuticals (8 countries).The median (IQR) change in method-specific suicide rates was −1.18 (−2.03 to −0.46) per 100 000 people after restrictions, whereas the median (IQR) change in other methods of suicide (not the restricted poison) was −0.09 (−2.22 to 1.65) per 100 000 people. Decreases in suicide by the restricted poison were not associated with increases in suicide by other methods. An estimated 57 355 poison-specific suicides annually (before the interventions were implemented) may have benefited the most from means restriction. CONCLUSIONS AND RELEVANCEThis systematic review found that means restriction of poison was associated with decreased method-specific suicide rates without an equivalent shift toward the use of other methods. Suicide prevention strategies need to address both individuals who are at risk and population-level policies.

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From pesticides to medicinal drugs: time series analyses of methods of self-harm in Sri Lanka

Cited by 49 publications

References 22 publications

Geographical variation in admissions due to poisoning in Sri Lanka: a time series analysis

Geographical variation in admissions due to poisoning in Sri Lanka: a time series analysis

Age and sex specific suicide rates in Sri Lanka from 1995-2011

Association Between Means Restriction of Poison and Method-Specific Suicide Rates

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