期刊
JOURNAL OF THE AMERICAN GERIATRICS SOCIETY
卷 62, 期 3, 页码 476-481出版社
WILEY
DOI: 10.1111/jgs.12685
关键词
aging; fatigue; epidemiology; restricted activity; cohort study
资金
- National Institute on Aging at the National Institutes of Health [R37AG017560, K24AG021507, K07AG043587]
ObjectivesTo estimate the rate of restricting fatigue in community-living older adults and to determine whether the rates differ according to age, sex, race, physical frailty, and depression. DesignProspective cohort study. SettingGreater New Haven, Connecticut. ParticipantsNondisabled community-living older men and women aged 70 and older (N=754). MeasurementsRestricting fatigue was defined as staying in bed for at least half the day and/or cutting down on one's usual activities because of fatigue for 3 consecutive months or longer. Physical frailty was defined on the basis of slow gait speed, and depression was assessed using the Center for Epidemiologic Studies Depression Scale. ResultsDuring a median follow-up of 111months, the cumulative incidence of restricting fatigue was 31.1% for men and 42.1% for women. The overall incidence rate of restricting fatigue was 6.7 per 1,000 person-months (7.8 for women and 4.4 for men, P<.001), which did not differ according to race. Rates were higher in persons who were physically frail than those who were not (P<.001), in those who were depressed than those who were not (P<.001), and in persons aged 75 to 79 and 80 to 84 than those aged 70 to 74 (both P<.01) but not in those aged 85 and older. Of the 459 episodes of restricting fatigue, the median duration was 3months, which did not differ according to age, sex, race, physical frailty, or depression. ConclusionRestricting fatigue is common in community-living older adults. Women, individuals aged 75 to 84, and individuals with physical frailty or depression had higher rates of restricting fatigue than their respective counterparts.
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