Biomedical Research

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Research Article - Biomedical Research (2018) Volume 29, Issue 11

Associations between sedentary time and EQ-5D index score in middle-aged and older adults

Purpose: This study was conducted to identify the associations between sedentary time and EuroQol-5- dimensional (EQ-5D) index score in middle-aged and older adults.

Materials and Methods: Data were extracted from the 6th Korea National Health and Nutrition Examination Survey (2014-2015). Subjects aged ≥ 45 y were selected for analysis (n=3,543). Selfreported sedentary time and EQ-5D index score were the outcome variables. The sedentary time was dichotomized into ≥ 7.5 h/d and <7.5 h/d. To ensure that the sample represents the Korean population, sampling weights were generated by considering a complex sample. Associations with sedentary time and EQ-5D index score were analysed using multiple logistic regression.

Results: Sitting for ≥ 7.5 h/d was significantly associated with 85% (odds ratio, 0.15; 95% confidence interval, 0.08-0.30) lower odds of EQ-5D index score when adjusted for sex and age compared to those who were sitting for <7.5 h/d.

Conclusion: These findings imply that in order to improve health-related quality of life in middle-aged and older adults, sedentary time should be reduced.

Author(s): Sang-Dol Kim

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