Korean J Health Promot.  2017 Dec;17(4):209-218. 10.15384/kjhp.2017.17.4.209.

The Association between Sitting Time and Health-Related Quality of Life According to Body Mass Index in Elderly Korean

• Oh YH
• Moon JH
• Kong MH
• Oh B
• Kim HJ

• KMID: 2399331
• DOI: http://doi.org/10.15384/kjhp.2017.17.4.209

Abstract

BACKGROUND
Although obesity and health-related quality of life (HRQOL) in elderly are well known to be associated with obesity and sitting time, it is unclear whether effect of sedentary lifestyle on HRQOL is affected by body mass index (BMI) or not. So we analyzed the relationship between sitting time and HRQOL according to BMI groups in elderly Korean.
METHODS
Participants aged over 60 from the 6th Korea National Health and Nutrition Examination Survey (2014 and 2015) were included. Participants were classified as normal weight and overweight/obese groups. Mean sitting times were compared between groups according to the EuroQol 5 dimension (EQ-5D) And logistic regression analyses were performed.
RESULTS
Men with mobility, usual activity, or pain/discomfort domain problem had longer sitting time. Women with a problem in every domain had longer sitting time. Overweight/obese women with problem showed longer sitting time. Odds ratios (ORs) of mobility, usual activity, pain or discomfort, and low EQ-5D score domain were increased regardless of BMI groups in men. But, ORs of all domains were increased only in overweight/obese group in women.
CONCLUSIONS
In elderly Korean, prolonged sitting time associated with decreased HRQOL. Impaired HRQOL is associated with increased sitting time regardless of BMI in men. But only overweight/obese group showed association between prolonged sitting time and impaired HRQOL in women. These results represents that decrease in quality of life according to the increase of the sitting time differs according to the BMI in elderly Korean women.

Keyword

Aged; Sedentary lifestyle; Body mass index; Obesity; Quality of life

MeSH Terms

Aged*
Body Mass Index*
Female
Humans
Korea
Logistic Models
Male
Nutrition Surveys
Obesity
Odds Ratio
Quality of Life*
Sedentary Lifestyle

Figure

• 

  Figure 1 Mean sitting time according to EQ-5D domain problem by sex. Shown are comparisons of adjusted mean sitting times between subjects with or without problem within each EQ-5D domain. P-values were calculated by t-test. Sitting time were adjusted for age, alcohol, smoking, physical activity, residential area, income, education, marital status, and comorbidities (hypertension, hypercholesterolemia, diabetes, coronary heart disease, stroke, COPD, arthritis, and cancer). Abbreviations: EQ-5D, EuroQol comprising five dimensions; COPD, chronic obstructive pulmonary disease. aP<0.01.

• 

  Figure 2 Mean sitting time according to EQ-5D domain problem by sex and BMI categories. Shown are comparisons of adjusted mean sitting times between subjects with or without problem within each EQ-5D domain. P-values were calculated by t-test. Sitting time were adjusted for age, alcohol, smoking, physical activity, residential area, income, education, marital status, comorbidities (hypertension, hypercholesterolemia, diabetes, coronary heart disease, stroke, COPD, arthritis, cancer). Abbreviations: EQ-5D, EuroQol comprising five dimensions; BMI, body mass index; COPD, chronic obstructive pulmonary disease. aP<0.01. bP<0.05.

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