Factors Influencing Quality of Life in Late Adulthood with Hypertension, Diabetes, Dyslipidemia, or Obesity: Using the Complex Sample Design of the Korea National Health and Nutrition Examination Survey (KNHANES)

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Key Points

This research aims to identify multidimensional factors affecting the quality of life (QOL) in older adults with chronic conditions.
Utilized data from the 2022 Korea National Health and Nutrition Examination Survey (KNHANES)
Focused on adults aged 65 and older with hypertension, diabetes, dyslipidemia, or obesity
Applied complex sample design with weights, stratification, and clustering
Conducted descriptive statistics and complex sample multiple regression analysis.
Average QOL score among subjects was 0.87
Significant factors included symptoms (depression and anxiety), functional status (grip strength), overall health (subjective health perception), personal characteristics (BMI), and household income
These variables accounted for 34.0% of the total explanatory power of QOL.
Lower levels of depression and anxiety, a BMI below obesity, higher grip strength, and better subjective health perception were associated with higher QOL.

Identifies factors impacting quality of life in older adults with hypertension, diabetes, or obesity, suggesting healthcare interventions.

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Misuk Seo (2026) studied this question.

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