A strategy for assembling samples of adult twin pairs in the United States.

A strategy for assembling samples of adult twin pairs in the United States.
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在美国组装成年双胞胎样本的策略。

DOI:
10.1002/sim.4780121805
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发表时间:
1993
影响因子:
2
通讯作者:
Tsuang,MT
Tsuang,MT
中科院分区:
医学3区
文献类型:
--
作者:
Goldberg,J;Henderson,WG;Eisen,SA;True,W;Ramakrishnan,V;Lyons,MJ;Tsuang,MT

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在本文中,我们开发了一种方法来识别大量的美国成年双胞胎对。本研究的数据来自美国国防部和越南时代双胞胎)VET(注册。国防部确定了潜在的男性双胞胎)n= 10,002(使用计算机记录链接算法,基于相同的姓氏,相同的出生日期和相同的社会安全号码的前五位数字。通过与越南时代双胞胎登记处的比较,证实了双胞胎。我们开发了一个逻辑回归模型,根据社会安全号码最后四位数字的绝对差异,社会安全号码的发行年龄以及姓氏的出现频率来预测配对记录识别双胞胎的概率。我们使用从这个回归模型中得到的估计系数,将双胞胎的预测概率分配给每个匹配的记录。当在双胞胎预测概率的十分位数上进行评估时,观察到的双胞胎数量和预期的双胞胎数量之间存在密切的对应关系; Harrell指数c= 0·68 × 0·0004(表示回归方程的总体预测准确度)。这项研究的结果表明,从任何包含姓名、出生日期和社会安全号码的大型计算机化数据库中识别成年男性-男性双胞胎对是可行的。然而,在创建计算机数据库时使用的选择标准必须明确规定,以避免构建有偏见的双胞胎样本。
In this paper we develop a methodology for the identification of large numbers of U.S. adult twin pairs. Data for this study derive from the U.S. Department of Defense and the Vietnam Era Twin )VET( Registry. The Department of Defense identified potential male twins )n= 10,002( using a computerized record linkage algorithm based on the same last name, same date of birth, and the same first five digits of the Social Security number. Twinship was confirmed by comparison with the Vietnam Era Twin Registry. We developed a logistic regression model that predicts the probability that a paired record identifies twins based on the absolute difference in the last four digits in the Social Security number, the age of issuance of the Social Security number, and the frequency of occurrence of the last name. We used the estimated coefficients derived from this regression model to assign predicted probabilities of being a twin to each matched record. There is a close correspondence between the observed and expected number of twins when evaluated across deciles of predicted probabilities of being a twin; the value of the Harrell'scindex )c= 0·68 ∓ 0·0004( indicates the overall predictive accuracy of the regression equation. The results from this study demonstrate the feasibility of identifying adult male–male twin pairs from any large computerized database that contains name, date of birth and Social Security number. However, the selection criteria used in the creation of the computer database must be clearly specified to avoid constructing a biased sample of twins.
DOI: 10.1001/archpsyc.1991.01810250021002
发表时间: 1991
影响因子: --
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发表时间: 1986
影响因子: 11.4
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DOI: 10.1017/s0001566000004608
发表时间: 1987-01-01
期刊: ACTA GENETICAE MEDICAE ET GEMELLOLOGIAE
影响因子: --
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