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Pesticides use and health impacts on farmers in Thailand, Vietnam, and Lao PDR: Protocol for a survey of knowledge, behaviours and blood acetyl cholinesterase concentrations

David Hughes, Wisit Thongkum, Kukiat Tudpor, Niruwan Turnbull, Nachalida Yukalang, Vanphanom Sychareun, Thang Van Vo, Latt Latt Win, Alan Watkins Orcid Logo, Sue Jordan Orcid Logo

PLOS ONE, Volume: 16, Issue: 9, Start page: e0258134

Swansea University Authors: David Hughes, Alan Watkins Orcid Logo, Sue Jordan Orcid Logo

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Abstract

Pesticides use in Southeast Asia has increased steadily, driven by the growth of large-scale commercial farming, as well as a desire to maximise food production in rural subsistence economies. Given that use of chemical pesticides, such as organophosphates and carbamates, has known potential health...

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Published in: PLOS ONE
ISSN: 1932-6203
Published: Public Library of Science (PLoS) 2021
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa58078
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Abstract: Pesticides use in Southeast Asia has increased steadily, driven by the growth of large-scale commercial farming, as well as a desire to maximise food production in rural subsistence economies. Given that use of chemical pesticides, such as organophosphates and carbamates, has known potential health impacts, there are concerns about the safety of agricultural workers, and a need for a better evidence base to underpin regulation and worker education. This study, undertaken in 9 districts in Lao PDR, Thailand and Vietnam, will interview agricultural workers to investigate how they use pesticides, their knowledge of risks and self-protective practices, and their self-reported illness symptoms. In each district researchers will recruit and interview 120 participants engaged in vegetable farming, who have recently used pesticides, making a total of 1080 subjects divided equally between the three study countries. Workers’ degree of pesticides exposure will be determined from acetyl cholinesterase concentrations in capillary blood samples collected using field test kits, and these data will be analysed together with the interview findings. Country findings will be compared and contrasted, and general patterns noted. Knowledge gained about risky behaviours, self-protective practices and degree of association with serious pesticides exposure will assist policy makers and inform health improvement programmes.
Keywords: Pesticides, health, agricultural workers, ASEAN, Vietnam, Thailand, Lao PDR
College: Swansea University Medical School
Funders: GCRF
Issue: 9
Start Page: e0258134