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The association between personal income and aging: A population-based 13-year longitudinal study
Tzu-Yu Lin1, Chia-Yu Chen1, Chueh-Yung Tsao2
1Healthy Aging Research Centre, Chang Gung University, Taiwan.
Archives of Gerontology and Geriatrics
|January 17, 2017
Summary
Low personal income is linked to accelerated aging, as indicated by higher aging scores derived from age-related diseases. This association highlights economic disparities impacting the aging process, necessitating future health interventions.
Area of Science:
- Gerontology
- Public Health
- Health Economics
Background:
- Global population aging increases healthcare costs and government financial burdens.
- Aging is influenced by various factors, including socioeconomic status.
- Understanding the relationship between income and aging is crucial for public health policy.
Purpose of the Study:
- To develop an aging score based on age-related diseases.
- To investigate the longitudinal association between personal income and aging.
- To identify socioeconomic disparities in the aging process.
Main Methods:
- Analysis of 86,838 subjects from northern Taiwan (1997-2010).
- Utilized National Health Insurance database for personal income and disease data.
- Employed multiple linear regression and stratified analyses.
Main Results:
- Low personal income (≤610 USD/month) correlated with higher aging scores.
- Subjects with low income showed higher aging scores across anthropometric groups.
- The association was pronounced in individuals over 60, particularly those with catastrophic illnesses.
Conclusions:
- Low income is associated with accelerated aging in a universal healthcare system.
- Economic inequity contributes to differential aging processes.
- Findings suggest a need for interventions addressing socioeconomic determinants of aging.
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