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Occupations and Parkinson's disease: a multi-center case-control study in South Korea

Cited 41 time in Web of Science Cited 46 time in Scopus
Authors
Park, Jungsun; Yoo, Cheol-In; Sim, Chang Sun; Kim, Hyo Kyung; Kim, Jae Woo; Jeon, Beom S; Kim, Ki-Rak; Bang, Oh-Young; Lee, Won-Yong; Yi, Yunjeong; Jung, Kap-Yeol; Chung, Soo-Eun; Kim, Yangho
Issue Date
2004-11-06
Publisher
Elsevier
Citation
Neurotoxicology. 2005 Jan;26(1):99-105.
Keywords
AdultAge FactorsAge of OnsetAgedCase-Control StudiesEducationFemaleHazardous SubstancesHumansIndustryKorea/epidemiologyMaleMiddle AgedOccupational Exposure/adverse effectsOccupations/*statistics & numerical dataParkinson Disease/*epidemiologyQuestionnairesRisk FactorsSex FactorsSmoking/epidemiologyWater Supply
Abstract
OBJECTIVE: We performed a hospital based case-control study in South Korea (1) to clarify the role of occupational exposure, and especially manganese (Mn) exposure in the etiology of Parkinson's disease (PD) and (2) to discover the association between any occupations and PD. METHODS: We selected two groups, PD patient group (N1) and controls (N2). Three hundred sixty-seven consecutive outpatients with PD (177 men, 190 women) and 309 controls were interviewed about life style, past history, family history, education level, and occupational history etc. We employed a range of industrial categories as defined by section (the most broad category) and division (sub-category) of the Korea Standard Industry Code (KSIC) Manual. Along with KSIC, we also used the Korea Standard Classification of Occupations (KSCO) as proxies of occupational exposure. The odds ratios (ORs) and 95% confidence intervals (CIs), adjusted for age, sex, smoking status, and education level are presented. RESULTS: As regarding the exposure to hazardous materials, especially Mn, more subjects in the control group than the PD patient group have worked in the occupations with potential exposure to Mn (P < 0.001). Ever having worked in 'agriculture, hunting, and forestry' section of industry was positively associated with PD (OR 1.88), and 'agriculture production crops (OR 1.96)' division of industry was positively associated with PD. On the other hand, ever having worked in the 'manufacturing (OR 0.56)', 'transportation (OR 0.28)' section of industry, and 'transporting (OR 0.20)' division of industry were negatively associated with PD. 'Drivers (OR 0.13)' division of occupation also was negatively associated with PD. CONCLUSIONS: To our knowledge, this is the first case-control studies to find an inverse relationship between 'transporting' or 'technicians like machinery engineers' as his/her longest job and PD risk. Because of this unexpected finding, our work should be replicated in various populations.
ISSN
0161-813X (Print)
Language
English
URI
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=15527877

http://hdl.handle.net/10371/13824
DOI
https://doi.org/10.1016/j.neuro.2004.07.001
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College of Medicine/School of Medicine (의과대학/대학원)Dept. of Neurology (신경과학교실)Journal Papers (저널논문_신경과학교실)
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