• Korean Journal of Applied Biomechanics
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• v.29 no.3
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• pp.145-155
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• 2019

Objective: The purpose of this study was to compare the physical characteristics (bone mineral density, joint muscle strength) and running biomechanics between older adults and young adult runners to understand the changes of running strategy by aging. Method: Bone mineral density (Dual Energy X-ray Absorptiometry, USA) of lower lower extremity and muscle strength (Cybex Humac Norm [DEXA], CSMI, USA) were measured to identify the physical characteristics of 10 elderly (age: $67.70{\pm}3.30yrs$, height: $1.68{\pm}0.04m$, mass: $67.70{\pm}3.80kg$) and 10 young adults (age: $21.20{\pm}0.42yrs$, height: $1.73{\pm}0.06m$, mass: $72.11{\pm}4.15kg$). Running data was collected by using an instrumented treadmill (Bertec, USA) and 7 infrared cameras (Oqus 300, Qualisys, Sweden). Two-way repeated ANOVA analysis was used to analyze results at a significant level of .05 with Bonferroni post hoc analysis. Results: Compared to the young adult group, the elderly group showed statistically significant difference in physical characteristics and in running characteristics. Elderly runners showed lower BMD and muscle strength compared with young runners (p<.05). In the running parameters, elderly runners tend to show shorter contact time and stride length compared with young runners (p<.05). In the joint angles, elderly runners showed smaller range of ankle motion compared with young runners (p<.05). Finally, elderly runners showed lower level of joint moment, joint power, and GRF compared with young runners in each running speed (p<.05). Conclusion: The running behavior of the elderly performed periodic running was similar to many variables of young adults. However, there were noticeable differences found in the ankle joints and most kinetic variables compared with young adult runners. This discrepancy may propose that elderly runners should consider appropriate running distance and intensity in the program.

• 한국노년학
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• v.41 no.3
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• pp.373-396
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• 2021

This study aims to examine the effect of housing characteristics of older adults on the willingness to continue living in local communities in order to realize the Aging in place of the elderly in Korea. Considering that the health status of the elderly is important for aging in place, both healthy and unhealthy cases were analyzed in the analyses. Housing characteristics include home ownership, housing cost burden, housing convenience, housing satisfaction, and residential environment satisfaction. The study sample is 9,798 elderly people from the 2017 survey on the elderly. Key findings are as follows: First, while 6,704 older adults (68.4%) chose to continue living in the community, 3,094 (31.6%) of the elderly did not choose to live in the local community. Second, the elderly who chose to stay in the local community are likely to have more real estate assets and less burden of housing expenses than the elderly group who did not. Third, the results report that older adults with more real estate assets and lower the housing cost burden are likely to choose sustainable living in the local community. The findings suggest that the majority of the elderly actually preferred Aging in place. This study concludes with practice and policy implications for realizing aging in place considering the elderly's needs.

• Korean Journal of Human Ecology
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• v.21 no.5
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• pp.929-945
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• 2012

This study examined structured social network types and their relationship to quality on life satisfaction of older adults. Respondents were 418 adults aged 60 or older living alone or as couples. The data was analyzed using K-means cluster analysis. Four networks types were identified: diverse, friend-neighbor focused, family focused, and restricted. Life satisfaction was highest for individuals in the diverse network group and lowest for individuals in the restricted network group. Stepwise multiple regression analysis indicated that life satisfaction of the elderly was affected by the diverse network, family focused network, the relationship quality with children, the relationship quality with neighbors, and the relationship quality with relatives. Results suggested that having diverse social network in close proximity is very important in old age and structural network types may have important practical implications for improving the quality of life among the elderly.

• Journal of the Korean Home Economics Association
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• v.40 no.1
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• pp.37-51
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• 2002

The purpose of this study was to explore university students′ perceptions about the elderly before and after an introductory course for gerontology. Sixty-two male and female undergraduate students participated in the study as a part of the course requirement. Throughout the semester, theme students received a series of classroom lectures on gerontology, as well as participated in diverse activities to experience elderly lives. A survey was administered with the students at the beginning of the first day of class and at the end of the semester. By the end of the unit university students were more likely to have accurate conceptions of and positive attitudes toward aging and the aged. More specifically, they were more likely to (1) perceive "old" and "getting old" as a positive one, (2) seem older adults spend their time on active self-development and social activities, (3) view older adults are important, (4) change opinions about what an old person and young person do together, and (5) have a positive outlook on their own future lives as older adults.

• Perspectives in Nursing Science
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• v.9 no.2
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• pp.102-110
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• 2012

Purpose: The purpose of this study was to investigate the factors that influence health-related quality of life (HRQoL) in community-dwelling older adults. Methods: The participants were 133 elderly people dwelling in a community. Data were analyzed using descriptive statistics, Pearson's correlation coefficients, and Stepwise multiple regression with SPSS. Results: The predictors of quality of life in the elderly were depression, physical symptoms, and social support. Depression and physical symptoms had a significant negative correlation with HRQoL and social support had a significant positive correlation with HRQoL. Among them, depression was shown as the most significant predictor of HRQoL in the elderly ($R^2$=.573, p<.001). Conclusion: These results indicate that strategies to relieve depression should be integrated in interventions to improve the QoL of older adults dwelling in a community residence.

• International Journal of Advanced Culture Technology
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• v.11 no.3
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• pp.131-141
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• 2023

This study aimed to identify the determinants of physical frailty among the old-old adults in rural Korean communities. A total of 191 individuals aged 75 and older were included in the study, with the majority being female. Participants were classified into healthy (n=47), pre-frail (n=54), and frail (n=90) groups. Significant differences were found across these groups in terms of age, gender, education level, depression, and nutritional status. Multiple logistic regression analysis revealed that age (OR=1.16), depression (OR=0.21), malnourishment (OR=10.85), and short physical performance ability (OR=0.70) were significant predictors of physical frailty. These findings underscore the multifaceted nature of physical frailty among old-old adults in urban-rural complex communities and highlight the need for comprehensive and integrated interventions. Such interventions should consider not only physical factors but also broader health conditions and socio-demographic influences impacting the elderly. Further research is needed to develop and evaluate interventions that address these determinants and promote health equity among the elderly population in urban-rural complex communities

• Journal of Family Resource Management and Policy Review
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• v.16 no.2
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• pp.103-121
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• 2012

This study examines whether reciprocity exists in intergenerational resource transfers from middle-aged children to elderly parents. Analyzing data from a sample of 1123 middle-aged adults, this study highlights the importance of reciprocity in the transfer of resources between middle-aged adults and their elderly parents. The possibility of an inheritance shows a very strong effect on care-giving to elderly parents. Furthermore, past financial transfers from parents to middle-aged children correlates strongly with financial transfers from middle-aged children to their elderly parents.

• Journal of the Korean Home Economics Association
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• v.32 no.5
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• pp.143-152
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• 1994

To investigate the changes of taste perception by aging, sixty one healthy elderly people and sixty five young adults were participated in the study. Most preferred levels of salt sour and sweet taste were chosen in bean sprout soup radish salad and yaksing respectively. Threshold levels of each taste were also chosen in NaCl solution for salt taste in citric acid solution for sour taste and in sucrose solution for salt taste, in citric acid solution for sour taste and in sucrose solution for sweet taste. The results are as follow: 1.Most preferred salt concentration in bean sprout soup was significantly higher in the elderly than in the young adults(p$\leq$0.001). There was no difference in sour taste preference of radish salad in both age groups. Most preferred sweetness in yacksig was significantly higher in both elderly men and women(p$\leq$0.001) 2. Threshold levels of salt and sweet taste were significantly higher in the elderly (p$\leq$0.001) However there was no difference in threshold level of sour taste in both age groups.

• Journal of Korean Academy of Nursing
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• v.31 no.5
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• pp.749-758
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• 2001

The purpose of the study was to analyze the functional status of low income elderly living at home according to their socio-economic factors, sensory function, health status, medical service utilization, commodity and types of chronic disease. Method: Functional status was defined by the level of mobility, ADL and IADL categorized as independently functional, mildly impaired, moderately disabled, and severely disabled. The data was collected by home-visit interviews with 567 community dwelling adults who were 65 years of age or more with low a income status subsidized by government in ChonAn. Results: 9.9% of community dwelling older adults were severely disabled, and 44.4% were moderately disabled in their functional status. There were significant differences in the functional status by age, education, religion, and types of family structure. The older adults with hearing impairment or dental problems had a significantly higher rate of severe disability. Self-rated health status and medical service utilization were also significant factors to the differences in functional status. The functional status of older adults was also significantly related to the presence of chronic health problems such as chronic back pain, stroke, and Alzheimer-dementia. Conclusion: The results confirmed that community dwelling older adults with low income status were more functionally disabled in comparison to general older adults at national level, while the relating factors to their functional status seemed similar to other studies on older adults. Further studies were suggested to look into functional status longitudinally and focus on the changes of functional status by managing modifiable influencing factors.

• Journal of Yeungnam Medical Science
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• v.14 no.2
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• pp.430-442
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• 1997

Due to the lowering of biological functions resulted from old age, the elderly is known to have many different clinical laboratory data compared with the young adults. But, in korea, such study is lacking. This research is to find the differences between the elderly and the young adults, and also to know the sexual differences, by comparing the outcomes of the clinical. laboratory data. Along with that, it is to help clinical usage of the data in the future. The age of the elderly was between 60 and 83(average age 63.8), and that of the young. controls was between 20 and 35. In both sexes, MCV, MCH, ESR, CRP, AST, ALT, ${\gamma}$GTP, ALP, BUN, total cholesterol were significantly higher in the elderly than in the controls. And lymphocyte count(%), total bilirubin, direct bilirubin, total protein, albumin, $T_3$ were significantly lower in the elderly than in the controls(P<0.05). Hemoglobin, Hct, platelet count, $T_4$ were significantly lower only in the male elderly, and eosinophil count(%), creatinine were significantly higher only in the female elderly(P<0.05). HDL cholesterol was significantly higher only in the male elderly(P<0.01). There were no significant difference between two groups regarding WBC count, segment neutrophil count(%), monocyte count(%), TSH. Many clinical laboratory data are different between the elderly and the young adults, and some clinical laboratory data also have sexual differences.