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CHRONIC DISABILITY TRENDS IN ELDERLY UNITED STATES POPULATIONS - 1982-1994

机译:1982-1994年美国老年人口的慢性残疾趋势

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Statistically significant declines in chronic disability prevalence rates were observed in the elderly United States population between the 1982 and 1989 National Long Term Care Surveys (NLTCS). The 1993 NLTCS was used to investigate whether disability rate declines continued to 1994, The 1982, 1984, 1989, and 1994 NLTCS employ the same sample design and instrumentation so that trends in disability can be estimated with minimal sampling and measurement bias, Age (5-year categories from 65 to >95)-specific rates were calculated for the 1982 NLTCS and applied to United States Census Bureau estimates of the 1994 population to calculate chronic disability prevalence rates adjusted for aging in the United States population aged >65. The 1982 age standardized rates were compared with 1994 NLTCS estimates. The prevalence of disability estimated for 1994 (21.3%) was 3.6% lower than the 1982 age standardized rate (24.9%)-a highly significant reduction (t = -8.5; P much less than 0.0001). Of the 3.6 percentage point decline in prevalence, 1.7% occurred in the 5 years between 1989 and 1994-compared with the 1.9% decline in the 7 years between 1982 and 1989, Both declines are significant. Because of the shorter time period, the per year decline in disability prevalence from 1989 to 1994 was greater than that from 1982 to 1989, Given the higher acute and long-term care service needs of the disabled elderly population, Medicare, Medicaid, and private health expenditures may be dramatically lower than if declines had not occurred. [References: 71]
机译:在1982年至1989年的美国国家长期护理调查(NLTCS)之间,美国老年人口的慢性残疾患病率出现了统计学上的显着下降。 1993年的NLTCS用于调查残疾率是否持续下降到1994年; 1982年,1984年,1989年和1994年的NLTCS采用相同的样本设计和仪器,以便可以在最小的抽样和测量偏差,年龄(5 1982年NLTCS的特定年份类别从65到> 95)的特定比率,并应用于美国人口普查局对1994年人口的估计,以计算针对年龄在65岁以上的美国人口进行调整的慢性残疾患病率。将1982年的年龄标准化率与1994年的NLTCS估计值进行了比较。据估计,1994年的残疾患病率(21.3%)比1982年的年龄标准化率(24.9%)低3.6%-显着降低(t = -8.5; P远远小于0.0001)。在患病率下降3.6个百分点中,1.7%发生在1989年至1994年之间的5年中,而1982年至1989年的7年中下降了1.9%,两者的下降幅度都很大。由于时间较短,鉴于残疾老年人口,Medicare,Medicaid和私营部门对急诊和长期护理服务的需求增加,从1989年至1994年,残疾人患病率每年下降的幅度大于1982年至1989年。卫生支出可能比没有下降的情况要低得多。 [参考:71]

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