The black/white mortality crossover: investigation in a community-based study.

The black/white mortality crossover: investigation in a community-based study.
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黑人/白人死亡率交叉:基于社区的研究调查。

DOI:
10.1093/geronj/40.1.78
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发表时间:
1985
期刊:
Journal of gerontology
影响因子:
--
通讯作者:
Tryoler,HA
Tryoler,HA
中科院分区:
--
文献类型:
--
作者:
Wing,S;Manton,KG;Stallard,E;Hames,CG;Tryoler,HA

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自1900年以来,美国人口动态统计数据中就观察到黑人/白色死亡率在75岁左右发生交叉,这是由于年轻时的白色死亡率较低,而老年时的黑人死亡率较低。虽然在这些数据中持续观察到,但其有效性受到人口普查和死亡证明上年龄报告问题的挑战。使用年龄特异性死亡率的威布尔模型,对埃文斯县社区研究中20年全因死亡率的经验进行分析,结果显示,男性(73岁)和女性(85岁)的黑人/白色死亡率交叉具有统计学显著性。该纵向随访人群中的交叉结果具有重要意义,因为在研究方案中获得了幸存者的年龄报告和非幸存者的死亡年龄,并且不依赖于人口普查数据或死亡证明中的年龄报告。生活在同一地理区域的两个人群之间死亡率的年龄和性别模式的差异与主要年龄相关慢性病的病因学问题以及当前卫生保健政策中感兴趣的主题有关。
The black/white mortality crossover at about age 75, a result of lower white mortality rates at younger ages and lower black rates at the oldest ages, has been observed in U.S. vital statistics since 1900. Though a persistant observation in such data, its validity has been challenged by questions about census enumeration and age reporting on death certificates. Analyses of 20 years experience of all-cause mortality in the community-based Evans County Study using a Weibull model of age specific mortality rates showed a statistically significant black/white mortality crossover for both men (at age 73) and women (at age 85). The finding of a crossover in this longitudinally followed population is significant because the age reporting for both survivors and age at death for nonsurvivors were obtained in the study protocol and did not rely on age reporting either in census data or on the death certificate. Differences in the age and sex patterns of mortality between two populations living in the same geographic region are relevant to questions about the etiology of the major age-related chronic diseases as well as to topics of current interest in health care policy.
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