Factors related to quality of life among middle-aged and older korean adults in 2006 and 2014: A nationally representative study
Section snippets
STUDY DESIGN AND SAMPLE
The data used in this study were from the first and fifth waves of the Korean Longitudinal Study of Ageing (KLoSA) conducted by the Ministry of Employment and Labor, and the Korea Employment Information Service (Korea Employment Information Service, 2016). The KLoSA was conducted to gather information about the social and economic status of middle-aged and older Koreans. Participants ≥45 years of age were selected nationwide using multi-stage stratified cluster sampling and were surveyed
CHARACTERISTICS OF THE SAMPLE
The mean QoL scores of the samples were 6.20 ± 2.12 in 2006 and 6.03 ± 1.69 in 2014. Their mean age was 58.74 ± 10.66 years (range, 45–98) in 2006 and 65.09 ± 9.43 years (range, 53–105) in 2014. The rate of respondents without partners was 19.0% in 2006 and 22.9% in 2014. The proportion of residents of rural areas was 22.1% in 2006 and 22.0% in 2014. The proportion of older respondents who engaged in regular exercise was 39.4% in 2006 and 33.8% in 2014. The proportion of respondents reporting
DISCUSSION
On average, the QoL of middle-aged and older adults has declined between 2006 (6.2 points) and 2014 (6.03 points), and the standard deviation of the QoL score has decreased from 2006 (2.12) to 2014 (1.69). Owing to the characteristics of the panel study, the respondents' age in 2014 was older than 2006 survey.
Self-rated health was the most important factor related to QoL among middle-aged and older adults showing physical or mental decline in 2006 and 2014. This result is consistent with
DECLARATION OF INTEREST
The authors report no conflict of interests. The authors alone are responsible for the content and writing of this paper.
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