Risk factors associated with purchasing pesticide from shops for self-poisoning: a protocol for a population-based case-control study

Manjula Weerasinghe; Flemming Konradsen; Michael Eddleston; Melissa Pearson; David Gunnell; Keith Hawton; Shaluka Jayamanne; Chathurani Pabasara; Tharidu Jayathilaka; Kalpani Dissanayaka; Sandamali Rajapaksha; Prasanna Thilakarathna; Suneth Agampodi

doi:10.1136/bmjopen-2015-007822

Risk factors associated with purchasing pesticide from shops for self-poisoning: a protocol for a population-based case-control study

Manjula Weerasinghe, Flemming Konradsen, Michael Eddleston, Melissa Pearson, David Gunnell, Keith Hawton, Shaluka Jayamanne, Chathurani Pabasara, Tharidu Jayathilaka, Kalpani Dissanayaka, Sandamali Rajapaksha, Prasanna Thilakarathna, Suneth Agampodi

4 Citations (Scopus)

Abstract

INTRODUCTION: Pesticide self-poisoning is one of the most frequently used methods of suicide worldwide, killing over 300,000 people annually. Around 15-20% of pesticide self-poisonings occur soon after the person has bought the pesticide from a shop. We aim to determine the characteristics of individuals who purchase pesticides directly from shops and how they differ from individuals who access pesticides from other sources such as home, home garden or farmland. This information will help inform possible vendor/shop-based intervention strategies aimed at reducing access to pesticides used for self-harm.

METHODS AND ANALYSIS: This study will investigate risk factors associated with purchasing pesticides for acts of self-poisoning from pesticide shops, including cases identified over a 9-month period using a population-based case-control group approach. Four interviewer-administered data collection tools will be used for this study: a semistructured questionnaire, Beck Suicidal Intent Scale (SIS), Clinical Interview Schedule-Sinhalese version (CIS-Sn) and Alcohol Use Disorders Identification Test (AUDIT). Each case (expected n=33) will be compared with two groups of individuals: (1) those who have self-poisoned using pesticides from the home, home garden or farmland and (2) those who bought pesticides from the same shops as the above cases, but not did not self-poison. Logistic regression models will be used to identify risk factors of purchasing pesticides for self-poisoning from shops.

ETHICS AND DISSEMINATION: The study has received ethical approval from the Ethical Review Committee of the Faculty of Medicine and Allied Sciences, Rajarata University of Sri Lanka. A sensitive data collection technique will be used and ethical issues will be considered throughout the study. Results will be disseminated in scientific peer-reviewed articles.

Original language	English
Article number	e007822
Journal	B M J Open
Volume	5
Issue number	5
Pages (from-to)	1-6
Number of pages	7
ISSN	2044-6055
DOIs	https://doi.org/10.1136/bmjopen-2015-007822
Publication status	Published - 20 May 2015

Keywords

Adolescent
Adult
Agriculture
Case-Control Studies
Commerce
Household Products
Humans
Pesticides
Research Design
Risk Assessment
Risk Factors
Self-Injurious Behavior

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1136/bmjopen-2015-007822

Cite this

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. (2015). Risk factors associated with purchasing pesticide from shops for self-poisoning: a protocol for a population-based case-control study. B M J Open, 5(5), 1-6. [e007822]. https://doi.org/10.1136/bmjopen-2015-007822

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 2015, 'Risk factors associated with purchasing pesticide from shops for self-poisoning: a protocol for a population-based case-control study', B M J Open, vol. 5, no. 5, e007822, pp. 1-6. https://doi.org/10.1136/bmjopen-2015-007822

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abstract = "INTRODUCTION: Pesticide self-poisoning is one of the most frequently used methods of suicide worldwide, killing over 300,000 people annually. Around 15-20% of pesticide self-poisonings occur soon after the person has bought the pesticide from a shop. We aim to determine the characteristics of individuals who purchase pesticides directly from shops and how they differ from individuals who access pesticides from other sources such as home, home garden or farmland. This information will help inform possible vendor/shop-based intervention strategies aimed at reducing access to pesticides used for self-harm.METHODS AND ANALYSIS: This study will investigate risk factors associated with purchasing pesticides for acts of self-poisoning from pesticide shops, including cases identified over a 9-month period using a population-based case-control group approach. Four interviewer-administered data collection tools will be used for this study: a semistructured questionnaire, Beck Suicidal Intent Scale (SIS), Clinical Interview Schedule-Sinhalese version (CIS-Sn) and Alcohol Use Disorders Identification Test (AUDIT). Each case (expected n=33) will be compared with two groups of individuals: (1) those who have self-poisoned using pesticides from the home, home garden or farmland and (2) those who bought pesticides from the same shops as the above cases, but not did not self-poison. Logistic regression models will be used to identify risk factors of purchasing pesticides for self-poisoning from shops.ETHICS AND DISSEMINATION: The study has received ethical approval from the Ethical Review Committee of the Faculty of Medicine and Allied Sciences, Rajarata University of Sri Lanka. A sensitive data collection technique will be used and ethical issues will be considered throughout the study. Results will be disseminated in scientific peer-reviewed articles.",

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author = "Manjula Weerasinghe and Flemming Konradsen and Michael Eddleston and Melissa Pearson and David Gunnell and Keith Hawton and Shaluka Jayamanne and Chathurani Pabasara and Tharidu Jayathilaka and Kalpani Dissanayaka and Sandamali Rajapaksha and Prasanna Thilakarathna and Suneth Agampodi",

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T2 - a protocol for a population-based case-control study

AU - Weerasinghe, Manjula

AU - Konradsen, Flemming

AU - Eddleston, Michael

AU - Pearson, Melissa

AU - Gunnell, David

AU - Hawton, Keith

AU - Jayamanne, Shaluka

AU - Pabasara, Chathurani

AU - Jayathilaka, Tharidu

AU - Dissanayaka, Kalpani

AU - Rajapaksha, Sandamali

AU - Thilakarathna, Prasanna

AU - Agampodi, Suneth

N1 - Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://group.bmj.com/group/rights-licensing/permissions.

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N2 - INTRODUCTION: Pesticide self-poisoning is one of the most frequently used methods of suicide worldwide, killing over 300,000 people annually. Around 15-20% of pesticide self-poisonings occur soon after the person has bought the pesticide from a shop. We aim to determine the characteristics of individuals who purchase pesticides directly from shops and how they differ from individuals who access pesticides from other sources such as home, home garden or farmland. This information will help inform possible vendor/shop-based intervention strategies aimed at reducing access to pesticides used for self-harm.METHODS AND ANALYSIS: This study will investigate risk factors associated with purchasing pesticides for acts of self-poisoning from pesticide shops, including cases identified over a 9-month period using a population-based case-control group approach. Four interviewer-administered data collection tools will be used for this study: a semistructured questionnaire, Beck Suicidal Intent Scale (SIS), Clinical Interview Schedule-Sinhalese version (CIS-Sn) and Alcohol Use Disorders Identification Test (AUDIT). Each case (expected n=33) will be compared with two groups of individuals: (1) those who have self-poisoned using pesticides from the home, home garden or farmland and (2) those who bought pesticides from the same shops as the above cases, but not did not self-poison. Logistic regression models will be used to identify risk factors of purchasing pesticides for self-poisoning from shops.ETHICS AND DISSEMINATION: The study has received ethical approval from the Ethical Review Committee of the Faculty of Medicine and Allied Sciences, Rajarata University of Sri Lanka. A sensitive data collection technique will be used and ethical issues will be considered throughout the study. Results will be disseminated in scientific peer-reviewed articles.

AB - INTRODUCTION: Pesticide self-poisoning is one of the most frequently used methods of suicide worldwide, killing over 300,000 people annually. Around 15-20% of pesticide self-poisonings occur soon after the person has bought the pesticide from a shop. We aim to determine the characteristics of individuals who purchase pesticides directly from shops and how they differ from individuals who access pesticides from other sources such as home, home garden or farmland. This information will help inform possible vendor/shop-based intervention strategies aimed at reducing access to pesticides used for self-harm.METHODS AND ANALYSIS: This study will investigate risk factors associated with purchasing pesticides for acts of self-poisoning from pesticide shops, including cases identified over a 9-month period using a population-based case-control group approach. Four interviewer-administered data collection tools will be used for this study: a semistructured questionnaire, Beck Suicidal Intent Scale (SIS), Clinical Interview Schedule-Sinhalese version (CIS-Sn) and Alcohol Use Disorders Identification Test (AUDIT). Each case (expected n=33) will be compared with two groups of individuals: (1) those who have self-poisoned using pesticides from the home, home garden or farmland and (2) those who bought pesticides from the same shops as the above cases, but not did not self-poison. Logistic regression models will be used to identify risk factors of purchasing pesticides for self-poisoning from shops.ETHICS AND DISSEMINATION: The study has received ethical approval from the Ethical Review Committee of the Faculty of Medicine and Allied Sciences, Rajarata University of Sri Lanka. A sensitive data collection technique will be used and ethical issues will be considered throughout the study. Results will be disseminated in scientific peer-reviewed articles.

KW - Adolescent

KW - Adult

KW - Agriculture

KW - Case-Control Studies

KW - Commerce

KW - Household Products

KW - Humans

KW - Pesticides

KW - Research Design

KW - Risk Assessment

KW - Risk Factors

KW - Self-Injurious Behavior

U2 - 10.1136/bmjopen-2015-007822

DO - 10.1136/bmjopen-2015-007822

M3 - Journal article

C2 - 25995242

SN - 2044-6055

VL - 5

SP - 1

EP - 6

JO - BMJ Open

JF - BMJ Open

IS - 5

M1 - e007822

ER -

Risk factors associated with purchasing pesticide from shops for self-poisoning: a protocol for a population-based case-control study

Abstract

Keywords

UN SDGs

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