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KMID : 0384919970060010053
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Korean Journal of Occupational Health Nursing
1997 Volume.6 No. 1 p.53 ~ p.71
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Neurobehavioral Effects of Chronic Exposure to Organic Solvents among Dock Yard Painters
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Cho Young-Sook
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Abstract
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A cross sectional study was performed to evaluate the chronic effects on central nerve system ( CNS) of cumulative exposure of complex organic solvents, using neurobehavioral test. Subjects were 66 (male) duck yard painters of some large ship industry which is located in Ulsan. The neurobehavioral test battery used in this study was NCTB (Neurabehavioral Core Test Battery recommended by WHO( World Health Organization), which consisted of 7 items Profile of mood states(POMS), Simple reaction time, Santa Aria dexterity test. Digit span, Digit symbol, Bcnton visual retention test and Pursuit aiming. FOe subjects were classified l)y 3 groups according to duration of employrnent(group 1: less than 9years, group 2 :10?14 years, group 3 more than 15-eOfl-A. The iesuhts of performance were analyzed Lofl~def1ng of woik duiatoti, age, eduudtiuildi level, alcohol drinking, smoki~ig and testing trrne as confounding factors. Benton visual retention test, pursuit aiming correel dot and sum of dot showed significant differences among the groups, and decreased with Increasing work duration. It indicated that the mean scores of performance ability were lowering according to work duration. Besides, the tests that didnt show statistical significances but showed linear trends were depression dejection, vigor, fatigue of POMS, slowest time of simple reaction time and digit span forward. Most of the neurobehiavioral test items were correlated with age and educational level. After tontrolhing of confounding factors-age and educational level, the i-esults followed digit span backward was different significantly. Tension-anxiety, depression-dejection, anger hostility of POMS, SD and slowest time of simple reaction time, Santa Anadexterity test non-preferred hand, digit span forward, Benton visual retention test and pursuit aiming correct dot decreased with increasing of work duration. The correlation analysis was done in order to find out the relationship between subjective symptom and the scores of neurobehavioral core test battery. According to the results of analysis there were rio items that had statistical significant relationship
(pKO.05).
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KEYWORD
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Neurobehavioral Core Test Battery, Complex Organic Solvents, Central Nerve System, Dock Yard Painters
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