| Summary: | 碩士 === 臺北醫學大學 === 護理學研究所 === 99 === 英文摘要
Background: The previous researches never focus the verification for the relationships among exercise stages, sleep quality and health-related quality of life. Aim: To explore the relationships among exercise stages, health-related quality of life, and sleep quality and to test whether sleep quality mediates the effect of exercise stages on health-related quality of life in elders. Methods: A cross-sectional design was conducted with a total of 250 over sixty-five older in one of the district in Taipei City. Instruments used include the Exercise Stages of Change Questionnaire, the Taiwanese version of SF-36, and the Pittsburgh Sleep Quality Index-Taiwan Form. Data were analyzed by mean, standard deviation for descriptive statistics, and one-way ANOVA, hierarchical regression and sobel test for inferential statistics. Results: 65.2% of participants’ exercise stage is under maintenance stage and the average of physical component scale and mental component scale are 49.16 and 54.67. The average of the sleep quality was 8.22, and there was 72.4% participants on a poor sleep quality condition. There was significant differences among physical component scale（F = 10.93, p < .001）; mental component scale（F = 2.99, p < .05）and sleep quality（F = 4.86, p < .05）under different exercise stages. Sleep quality significantly mediated（β=-0.31, p < .01）the relationship between exercise stages and physical component scale after control the gender, age and number of diseases, but for the mental component scale, sleep quality does more effects than exercise stages. Conclusions: This study suggested that sleep quality is an important mediating role on the relationship between exercise stages and physical component scale, and a major variable for mental component scale in elderly. When medical and health professional to improve physical and mental component scale of elderly people, need to consider exercise habit and sleep quality simultaneously.
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