The effect of age on life satisfaction of older adults - Moderating effect of exercise participation
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Abstract
This study was conducted to determine the moderating effect of regular exercise on the relationship between age and life satisfaction, employing data from the 8th Korean Longitudinal Study of Aging (KLoSA). This study utilized the statistical program SPSS 29 for data analysis. To explore the demographic characteristics of the 8th KLoSA data, frequency analysis and descriptive statistics were conducted. Differences in life satisfaction based on general characteristics were examined using t-tests and ANOVA. Correlation analysis was performed to investigate the relationship between life satisfaction, age, and total household income. Additionally, to explore the moderating effect of exercise on the impact of age on life satisfaction, the presence of moderation effects was verified using Process Macro Model 1. Analysis results revealed that being female (p=.011), having a spouse (p<.001), graduating from high school (p=.001) and university (p<.001), residing in a medium-sized city (p=.004) and rural area (p<.001), considering one's health to be poor (p<.001), engaging in alcohol consumption (p=.004), having perceived cognitive impairment (p=.001), and with a higher household income (p=.019) significantly influenced life satisfaction. The explanatory power for life satisfaction was found to be 12.0%, with perceived poor health (β=-.274) emerging as the most influential factor. The moderating effect of physical activity on the impact of age on life satisfaction (B=-.260, p=.008) revealed that among those engaged in physical activity, life satisfaction tends to decrease with higher age. These findings could serve as fundamental data for the development of exercise programs tailored for individuals aged 65 and above in the future.
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References
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