| Summary: | 碩士 === 國立暨南國際大學 === 經濟學系 === 100 === This research examines the factors affecting their amount of the physical activity of
elders, including their subjective cognition to the sport grounds, the objective sport
environment estimated by Geographic Information System (GIS), their healthy conditions.
A quantitative questionnaire is applied to collect the data of the elder citizens above
65-year-old in Taichung and GIS is employed to generate the numbers and distance of the
sport grounds near the residences of the elders as the environmental data. Previous
studies have indicated that there is an endogeneity problem between the habits of the elders
doing excise in the sport ground and the amounts of their physical activity. Therefore,
instrumental variables are adopted to adjust this endogeneity problem and the Treatment
Effect Model is applied for the regression analysis. Results of this research show that the
more and closer parks are in the residential neighborhood of the elders, the more possible
elder citizens choose to exercise in parks. Also, the elders who have habits to excise in
the sport ground practice higher amounts of physical activity. As can be seen, parks are
important leisure and sport venues to the elder citizens. The results indicate that park
facilities are important factors for the elders to exercise more for the sake of physical
fitness.
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