• Korean Security Journal
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• no.22
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• pp.1-14
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• 2010

The purpose of this study was to analyze the difference of body composition, metabolic factor, and blood components according to job forms which are job period and job type and stress level for security guard workers. The conclusion is as follows. 1. There were lower level for the body fat with short term and higher level for the lactate with long term according to the job period. 2. There were lower level for the body fat with the field service and higher level for the lactate and stress with the field service according to the job type. In conclusion, it needs to have a continuous physical activity behavior for the security guard workers to manage for their effective health and to have a rest for the field service workers to decrease their physical and mental stress.