Research on the effects of sedentary behavior on the health-related quality of life (HRQoL) of the elderly is limited. The present study aimed to determine the association between sedentary behavior and the HRQoL of the young-old (aged 65–74 years) people and old-old (aged ≥75 years) people. This study used the raw data of the 7th Korea National Health and Nutrition Examination Survey for 2016. The study subjects were 1,415 people aged over 65 years. The association between HRQoL and average daily sitting time was analyzed using the point biserial correlation coefficient. The effect of sedentary behavior on HRQoL was analyzed by logistic regression analysis. Overall, elderly people aged ≥65 years spent 7.9 h in sedentary pursuits: the young-old spent 7.7 h and the old-old spent 9.0 h. Longer sitting time was found to be associated with lower HROoL while shorter sitting time was associated with higher HROoL, with the relationship stronger among the old-old than among the young-old. This means that the effects of either having longer time sitting per day and low quality of life or shorter time sitting per day and high quality of life are more pronounced in the old-old in comparison to the young-old. Sedentary behavior is significantly associated with people’s HRQoL. Interventions towards improving the HRQoL by reducing sedentary behavior based on the respective characteristics of young-old and old-old people are needed.

中文翻译：

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老年人久坐行为与健康相关的生活质量之间的关联：着重比较年轻人和老年人

久坐行为对老年人健康相关生活质量（HRQoL）的影响的研究是有限的。本研究旨在确定久坐行为与年轻人（65-74岁）和老人（≥75岁）的HRQoL之间的关联。本研究使用了2016年第七届韩国国民健康与营养检查调查的原始数据。研究对象为年龄在65岁以上的1,415人。HRQoL与平均每日就座时间之间的关联使用点双相关系数进行了分析。久坐行为对HRQoL的影响通过逻辑回归分析进行了分析。总体而言，年龄≥65岁的老人在久坐时花费了7.9小时：年轻人花费了7.7小时，老年人花费了9.0小时。较长的就座时间与较低的HROoL有关，而较短的就座时间与较高的HROoL有关，老年人与老年人之间的关系更强。这意味着，与年轻人相比，高龄老人每天坐时间更长，生活质量较低，或者每天坐时间较短和生活质量较高的影响更为明显。久坐行为与人们的HRQoL显着相关。需要采取干预措施，根据年轻人和老年人的各自特征，通过减少久坐的行为来改善HRQoL。这意味着，与年轻人相比，高龄老人每天坐时间更长，生活质量较低，或者每天坐时间较短和生活质量较高的影响更为明显。久坐行为与人们的HRQoL显着相关。需要采取干预措施，根据年轻人和老年人的各自特征，通过减少久坐的行为来改善HRQoL。这意味着，与年轻人相比，高龄老人每天坐时间更长，生活质量较低，或者每天坐时间较短和生活质量较高的影响更为明显。久坐行为与人们的HRQoL显着相关。需要采取干预措施，根据年轻人和老年人的各自特征，通过减少久坐的行为来改善HRQoL。