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Korean Journal of Preventive Medicine 1997;30(1): 171-180.
A study on Performing Time of Neurobehavioral Test in Workers exposed to Organic Solvents.
Kang Won Park, In Geun Park, Jin Ha Kim, Kang Woo Bae, Duk Hee Lee, Yong Hawn Lee
1Department of Preventive Medicine,Kosin College of Medicine, Korea.
2Health Care Center, Daewoo Heavy Ind, Korea.
ABSTRACT
This study was performed to see whether neurobehavioral tests was affected by the exposure-free time in the workers chronically exposed to organic solvents. Thirty-four female workers were participated and four items among neurobehavioral core test battery of World Health Organization, including digit span, Santa Ana Dexterity, digit symbol, Benton Visual Retention, were administered to the workers. Test was conducted three times-preshift on Monday, preshift on Weekday and during shift on Weekday-per person and the interval of tests was 2 weeks. Digit span forward, Santa Ana Dexterity, digit symbol, and Benton Visual Retention showed significant decrements by performing time, especially during shift on Weekday versus preshift on Monday and preshift on Weekday. In addition, the score at preshift on Weekday was significantly lower than preshift on Monday, in preferred Santa Ana Dexterity and digit symbol. Generally, those who were exposed to high concentration, over 50 years and under 6 years of education showed marked decrease of score at during shift. So, it would be desirable that neurobehavioral test is conducted at preshift on Monday and items related to short term memory could be considerable to be done at preshift on Weekday.
Key words: organic solvents; NCTB; performing time
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