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KMID : 0895420100200020102
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Journal of Korean Society of Occupational and Enviromental Hygiene
2010 Volume.20 No. 2 p.102 ~ p.110
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Assessment of Time Activity Pattern for Workers
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Lee Hyun-Su
Shuai Jianfei
Woo Byung-Lyul
Hwang Moon-Young
Park Choong-Hee
Yu Seung-Do
Yang Won-Ho
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Abstract
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Personal exposure relies on characteristics of time activity patterns of the population of concern as human activities impact the timing, location, and level of personal exposure. The information about time spent in microenvironments plays a critical role for personal exposure to air pollutants. It is useful to determine the precise times of the day that the subjects are in certain locations or engaging in specific activities because exposure to some air pollutants can depend on temporal trends. This study investigated time activity pattern for workers of Korean population over 19 years old with 8,778 workers in weekday. The residential indoor times were 12 hours. Time activity was different by gender and the mean times stayed at home in weekday were 12.9 hours in female and 11.42 hours in male, respectively. The major factors on residential indoor time and workplace time were age, monthly income, occupation and industry type, work position, education, and gender. Considering shorter than those in other countries, Korean workers spent less time at home after the working hours. Determinants of time activity pattern need to be taken into account in exposure assessment, epidemiological analyses, exposure simulations, as well as in the development of preventive strategies. Since there are substantial difference of Korean worker activity pattern, this information can be critical for exposure assessment in Korea.
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KEYWORD
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Time activity pattern, Exposure assessment, Worker, Indoor air
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