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KMID : 1100320190360030219
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Yeungnam University Journal of Medicine
2019 Volume.36 No. 3 p.219 ~ p.224
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Factors that determine the Work Ability Index of street cleaners
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Kim Jung-Won
Yang Seon-Hee
Chung In-Sung
Lee Mi-Young
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Abstract
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Background: Korea has shown a rapid pace of aging and has become an aged society in a shorter period than Western countries. Therefore, it is important that middle-aged workers maintain their ability to work in the industrial field at the maximum level while maintaining their health. The purpose of this study was to analyze the factors affecting work ability and to use this data to maintain the working ability of middle-aged workers in the future.
Methods: From 2015 to 2017, we surveyed 371 street cleaners who visited a health center for health promotion in a metropolitan city. The relationship between the general characteristics of the survey subjects and the Work Ability Index (WAI) was confirmed by a univariate analysis. Statistically significant (p<0.2) factors were selected and a multiple linear regression analysis was conducted with WAI scores as a dependent variable.
Results: Age, body mass index, body fat percentage, the Alcohol Use Disorders Identification Test-Korea (AUDIT-K) scores, the Psychosocial Well-Being Index-Short Form (PWI-SF) scores, maximal oxygen consumption (VO2max), and hypertension showed statistically significant correlations with the WAI in the univariate analysis. In the multivariate analysis, the VO2max, AUDIT-K scores, and PWI-SF scores were included in the regression equation. VO2max had the greatest effect on the standardization coefficient indicating the relative contribution of independent variables, followed by the AUDIT-K scores and the PWI-SF scores.
Conclusion: Programs to increase workers’ physical work ability and alleviate psychosocial stress and drinking habits should be developed and implemented in the future.
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KEYWORD
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Middle aged, Oxygen consumption, Physical endurance, Work ability evaluation
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