2024
Exploring fidelity of enactment in a cluster randomised controlled trial testing the effectiveness of ‘gatekeeper’ training for pesticide vendors in reducing self-poisoning in rural Sri Lanka: protocol for a multimethod qualitative study
Kanapathy R, Agampodi T, Eddleston M, Konradsen F, Pearson M, Sanjula B, Malalasekara C, Naseer N, Agampodi S, Weerasinghe M. Exploring fidelity of enactment in a cluster randomised controlled trial testing the effectiveness of ‘gatekeeper’ training for pesticide vendors in reducing self-poisoning in rural Sri Lanka: protocol for a multimethod qualitative study. BMJ Open 2024, 14: e082688. PMID: 38977371, PMCID: PMC11256041, DOI: 10.1136/bmjopen-2023-082688.Peer-Reviewed Original ResearchConceptsCluster randomised controlled trialRandomised controlled trialsRural Sri LankaPesticide self-poisoningControlled trialsStepped-wedge cluster randomised controlled trialPesticide vendorsScientific peer-reviewed journalsMiddle-income countriesEthics and Research CommitteeSelf-poisoningMultimethod qualitative studyPeer-reviewed journalsFocus group discussionsIntervention fidelityIntervention districtsStratified purposive sampling methodReplicate interventionsQualitative research designSocioeconomic hardshipQualitative studyConference presentationsGroup discussionsRajarata UniversityParticipant diaries
2023
Differences in the characteristics of people who purchase pesticides from shops for self‐harm versus those who use pesticides available in the domestic environment in Sri Lanka
Weerasinghe M, Jobe L, Konradsen F, Eddleston M, Pearson M, Jayamanne S, Hawton K, Gunnell D, Agampodi S. Differences in the characteristics of people who purchase pesticides from shops for self‐harm versus those who use pesticides available in the domestic environment in Sri Lanka. Tropical Medicine And International Health 2023, 28: 901-911. PMID: 37871998, DOI: 10.1111/tmi.13941.Peer-Reviewed Original ResearchMeSH KeywordsHumansPesticidesPoisoningSelf-Injurious BehaviorSri LankaSuicidal IdeationSuicide, AttemptedConceptsHigh suicide intentSuicide attemptsSuicide intentSuicide deathsConfidence interval -3.2Pesticide poisoning casesLogistic regression analysisCI 1.5Fatal casesCharacteristics of peopleRural Sri LankaPoisoning casesDomestic casesRegression analysisPrevention implicationsSurvivorsHigher proportionDeath
2022
Gatekeeper training for vendors to reduce pesticide self-poisoning in rural South Asia: a study protocol for a stepped-wedge cluster randomised controlled trial
Weerasinghe M, Pearson M, Turner N, Metcalfe C, Gunnell DJ, Agampodi S, Hawton K, Agampodi T, Miller M, Jayamanne S, Parker S, Sumith JA, Karunarathne A, Dissanayaka K, Rajapaksha S, Rodrigo D, Abeysinghe D, Piyasena C, Kanapathy R, Thedchanamoorthy S, Madsen LB, Konradsen F, Eddleston M. Gatekeeper training for vendors to reduce pesticide self-poisoning in rural South Asia: a study protocol for a stepped-wedge cluster randomised controlled trial. BMJ Open 2022, 12: e054061. PMID: 35379621, PMCID: PMC8981379, DOI: 10.1136/bmjopen-2021-054061.Peer-Reviewed Original ResearchMeSH KeywordsCommerceCOVID-19HumansPesticidesRandomized Controlled Trials as TopicRural PopulationSri LankaConceptsSelf-poisoning casesStepped-wedge clusterGatekeeper interventionStudy protocolOriginal study protocolMedical Research Ethics CommitteeScientific peer-reviewed journalsSurveillance of hospitalEthical review committeePeer-reviewed journalsSecondary outcomesPrimary outcomeResearch Ethics CommitteePost-training periodsOutcome measuresHigh riskFaculty of MedicineGatekeeper trainingRural Sri LankaRandom orderEthics CommitteeIntervention effectivenessReview CommitteeInterventionCOVID-19
2020
Factors associated with purchasing pesticide from shops for intentional self‐poisoning in Sri Lanka
Weerasinghe M, Konradsen F, Eddleston M, Pearson M, Jayamanne S, Knipe D, Hawton K, Gunnell D, Agampodi S. Factors associated with purchasing pesticide from shops for intentional self‐poisoning in Sri Lanka. Tropical Medicine And International Health 2020, 25: 1198-1204. PMID: 33463883, DOI: 10.1111/tmi.13469.Peer-Reviewed Original ResearchEmerging pesticides responsible for suicide in rural Sri Lanka following the 2008–2014 pesticide bans
Weerasinghe M, Pearson M, Konradsen F, Agampodi S, Sumith JA, Jayamanne S, Senanayake SMHMK, Rajapaksha S, Eddleston M. Emerging pesticides responsible for suicide in rural Sri Lanka following the 2008–2014 pesticide bans. BMC Public Health 2020, 20: 780. PMID: 32450831, PMCID: PMC7249439, DOI: 10.1186/s12889-020-08871-7.Peer-Reviewed Original Research
2018
Potential Interventions for Preventing Pesticide Self-Poisoning by Restricting Access Through Vendors in Sri Lanka
Weerasinghe M, Konradsen F, Eddleston M, Pearson M, Jayamanne S, Gunnell D, Hawton K, Agampodi S. Potential Interventions for Preventing Pesticide Self-Poisoning by Restricting Access Through Vendors in Sri Lanka. Crisis 2018, 39: 479-488. PMID: 29932017, DOI: 10.1027/0227-5910/a000525.Peer-Reviewed Original ResearchVendor-based restrictions on pesticide sales to prevent pesticide self-poisoning - a pilot study
Weerasinghe M, Konradsen F, Eddleston M, Pearson M, Jayamanne S, Gunnell D, Hawton K, Agampodi S. Vendor-based restrictions on pesticide sales to prevent pesticide self-poisoning - a pilot study. BMC Public Health 2018, 18: 272. PMID: 29463230, PMCID: PMC5819692, DOI: 10.1186/s12889-018-5178-2.Peer-Reviewed Original Research
2015
Risk factors associated with purchasing pesticide from shops for self-poisoning: a protocol for a population-based case–control study
Weerasinghe M, Konradsen F, Eddleston M, Pearson M, Gunnell D, Hawton K, Jayamanne S, Pabasara C, Jayathilaka T, Dissanayaka K, Rajapaksha S, Thilakarathna P, Agampodi S. Risk factors associated with purchasing pesticide from shops for self-poisoning: a protocol for a population-based case–control study. BMJ Open 2015, 5: e007822. PMID: 25995242, PMCID: PMC4442210, DOI: 10.1136/bmjopen-2015-007822.Peer-Reviewed Original ResearchConceptsAlcohol Use Disorders Identification TestSuicidal Intent ScaleRisk factorsPopulation-based case-control studyCase-control studyBeck's Suicidal Intent ScaleDisorders Identification TestLogistic regression modelsEthical review committeeFaculty of MedicineEthical approvalMethod of suicideSemistructured questionnaireIntent ScaleReview CommitteeScientific peer-reviewed articlesCharacteristics of individualsIntervention strategiesIdentification TestPeer-reviewed articlesRajarata UniversityAllied SciencesCost-effectiveness analyses of self-harm strategies aimed at reducing the mortality of pesticide self-poisonings in Sri Lanka: a study protocol
Madsen LB, Eddleston M, Hansen KS, Pearson M, Agampodi S, Jayamanne S, Konradsen F. Cost-effectiveness analyses of self-harm strategies aimed at reducing the mortality of pesticide self-poisonings in Sri Lanka: a study protocol. BMJ Open 2015, 5: e007333. PMID: 25724984, PMCID: PMC4346671, DOI: 10.1136/bmjopen-2014-007333.Peer-Reviewed Original ResearchConceptsCost-effectiveness analysisSafe storage interventionHealth outcomesIncremental cost-effectiveness ratioMain outcome measuresSri Lankan districtCost-effectiveness ratioHealth outcome improvementsStorage interventionPresent studyStudy protocolClinical trialsOutcome measuresCluster trialOutcome improvementEthical approvalPeer-reviewed publicationsRespective interventionsDeliberate ingestionStudy designPotential interventionsDiscounting of costsUniversity of Peradeniya
2013
The role of private pesticide vendors in preventing access to pesticides for self-poisoning in rural Sri Lanka
Weerasinghe M, Pearson M, Peiris R, Dawson AH, Eddleston M, Jayamanne S, Agampodi S, Konradsen F. The role of private pesticide vendors in preventing access to pesticides for self-poisoning in rural Sri Lanka. Injury Prevention 2013, 20: 134. PMID: 23736739, PMCID: PMC3963527, DOI: 10.1136/injuryprev-2012-040748.Peer-Reviewed Original Research