Dataset Information

The role of private pesticide vendors in preventing access to pesticides for self-poisoning in rural Sri Lanka.

ABSTRACT: In 15% to 20% of self-poisoning cases, the pesticides used are purchased from shops just prior to ingestion. We explored how pesticide vendors interacted with customers at risk of self-poisoning to identify interventions to prevent such poisonings. Two strategies were specifically discussed: selling pesticides only to farmers bearing identity cards or customers bearing pesticide 'prescriptions'. Vendors reported refusing to sell pesticides to people thought to be at risk of self-poisoning, but acknowledged the difficulty of distinguishing them from legitimate customers; vendors also stated they did want to help to improve identification of such customers. The community did not blame vendors when pesticides used for self-poison were purchased from their shops. Vendors have already taken steps to restrict access, including selling low toxic products, counselling and asking customer to return the next day. However, there was little support for the proposed interventions of 'identity cards' and 'prescriptions'. Novel public health approaches are required to complement this approach.

SUBMITTER: Weerasinghe M

PROVIDER: S-EPMC3963527 | biostudies-literature | 2014 Apr

REPOSITORIES: biostudies-literature

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The role of private pesticide vendors in preventing access to pesticides for self-poisoning in rural Sri Lanka.

Weerasinghe Manjula M Pearson Melissa M Peiris Ravi R Dawson Andrew H AH Eddleston Michael M Jayamanne Shaluka S Agampodi Suneth S Konradsen Flemming F

Injury prevention : journal of the International Society for Child and Adolescent Injury Prevention 20130604 2

In 15% to 20% of self-poisoning cases, the pesticides used are purchased from shops just prior to ingestion. We explored how pesticide vendors interacted with customers at risk of self-poisoning to identify interventions to prevent such poisonings. Two strategies were specifically discussed: selling pesticides only to farmers bearing identity cards or customers bearing pesticide 'prescriptions'. Vendors reported refusing to sell pesticides to people thought to be at risk of self-poisoning, but a ...[more]

PMID: 23736739

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Project description:BackgroundPesticide poisoning is among the most common means of suicide globally, but can be prevented with regulation of the most hazardous agents. We aimed to compare the lethality of pesticides ingested by our cohort, seek evidence on variation between human and regulatory animal toxicity, and establish change over time in the case fatality of individual pesticides in Sri Lanka.MethodsWe examined the case fatality of agricultural pesticides in a prospective cohort in nine hospitals serving rural populations in Sri Lanka. We included all patients (>11 years) who had presented to a South Asian Clinical Toxicology Research Collaboration study hospital during the study period. Patients were enrolled by clinical research assistants and were regularly reviewed. Identification of the ingested pesticide was generally on the basis of history or positive identification of the container, supported by nested blood analysis.FindingsFrom March 31, 2002, to Dec 31, 2019, 34 902 patients (median age 29 years [IQR 21-40]; 23 060 [66·1%] male) presented with a possible or known pesticide self-poisoning. We identified 23 139 specific pesticides that were ingested. Poisoning was fatal in 2299 (6·6%) patients. Case fatality varied greatly from 0·0% (several substances) to 41·8% (paraquat). The three most toxic agents (ie, paraquat, dimethoate, and fenthion) were banned between 2008 and 2011. Since 2013, the five agents causing the most deaths (ie, profenofos, propanil, fenobucarb, carbosulfan, and quinalphos) had a case fatality of 7·2-8·6%. A steady decline was seen in overall case fatality of pesticide poisoning (10·5% for 2002-06 to 3·7% for 2013-19), largely attributable to pesticide bans. A modest fall in case fatality for non-banned pesticides was also seen.InterpretationDeclines seen in case fatalities of poisonings with non-banned pesticides suggest that medical management improved over time. The human data for acute toxicity of pesticides should drive hazard classifications and regulation. We believe that a global benchmark for registration of pesticides should include a less than 5% case fatality after self-poisoning, which could prevent many deaths and have a substantial effect on global suicide rates.FundingThe Wellcome Trust and the National Health and Medical Research Council of Australia.TranslationsFor the Sinhala and Tamil translations of the abstract see Supplementary Materials section.

Dataset Information

The role of private pesticide vendors in preventing access to pesticides for self-poisoning in rural Sri Lanka.

Publications

The role of private pesticide vendors in preventing access to pesticides for self-poisoning in rural Sri Lanka.

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