NHANES III Public-use Linked Mortality Files
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The NHANES III public use-related mortality file as of December 31, 2019, linked to the U.S. National Death Index (NDI) by National Center for Health Statistics (NCHS) via a probabilistic matching algorithm. The files include a limited set of mortality variables for adult participants only. The public-use versions of the NCHS Linked Mortality Files were subjected to data perturbation techniques to reduce the risk of participant re-identification. For select records, synthetic data were substituted for follow-up time or underlying cause of death. Information regarding vital status was not perturbed.
美国国家卫生统计中心(National Center for Health Statistics, NCHS)通过概率匹配算法,将截至2019年12月31日的NHANES III公共使用相关死亡率数据集与美国国家死亡索引(National Death Index, NDI)完成关联。该数据集仅收录成年参与者的有限死亡率变量集合。NCHS关联死亡率文件的公共使用版本已应用数据扰动技术,以降低参与者身份被重新识别的风险。针对部分选定的记录,已使用合成数据替代随访时间或根本死因信息。有关生存状态的信息未经过扰动处理。



