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KMID : 0379220220420050963
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Journal of Korea Gerontological Society
2022 Volume.42 No. 5 p.963 ~ p.991
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Trajectories and Factors Affecting of the Older Adult's Job Satisfaction based on Growth Mixture Model
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Kang Min-Ji
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Abstract
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The purpose of this study is to derive Trajectories in older adult’s job satisfaction and to identify how each type has a relationship with demographic characteristics, job characteristics, and job perception. For this purpose, the 5th, 6th, and 7th year data of the Korean Longitudinal Study of Ageing(KLoSA) was used, and the dependent variables were wages satisfaction, employment stability, working environment satisfaction, work content satisfaction, and overall job satisfaction. Demographic variables included sex, age, education level, household total asset and job characteristics variables include occupational status, industry, occupation, weekly working hours, and regularity of working hours. Job recognition related variables are the appropriateness of working hours, education-job match, skill-job match, physical job demands, cognitive job demands, and reasons for continuing work. First, a longitudinal analysis was performed by applying the Growth Mixture Model (GMM) to derive the trajectories in older adult's Job Satisfaction, and four types were derived: Increasing, Decreasing, low-level maintenance, and high-level maintenance. After that, a chi-square test, a T-test, and a variance analysis were conducted to confirm the demographic characteristics, job characteristics, and job perception characteristics of each type of the trajectories in older adult's Job Satisfaction, To identify the factors that affect each type of the trajectories, a multinomial logistic regression analysis was conducted. As a result, it was confirmed that the demographic characteristics of age and total population assets, the job characteristics in industry, weekly working hours, and regularity of working hours, and the job perception-related variables were significant in skill-job match and reason for continuing work. This study provides more detailed information on the intervention of older adults who continue to work in the labor market in consideration of the existence of potential classes, and the discussion on jobs of older adults does not only increase employment but also expand interest in long-term career development programs. In addition, this study confirmed that the characteristics of jobs and the needs of older adults in jobs affect the type of change in older job satisfaction. Therefore, it provides implications for increasing sustainable employment of older workers and preparing support measures to enable lifelong career development by increasing job satisfaction in the long term.
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KEYWORD
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Older adult, Job satisfaction, Longitudinal analysis, Growth mixture model
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