Sibling Relationship, Family, and Genetic Factors in Sibling Similarity in Sexual Risk
Sibling Relationship, Family, and Genetic Factors in Sibling Similarity in Sexual Risk
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DOI：
10.1037/a0014982
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发表时间：
2009-08-01
影响因子：
2.7
通讯作者：
Kim, Ji-Yeon
中科院分区：
文献类型：
--
作者：
McHale, Susan M.;Bissell, Joanna;Kim, Ji-Yeon
来自全国青少年健康纵向研究的1583对兄弟姐妹对性和怀孕的危险态度以及危险的性行为进行了研究。我们测试了两个兄弟姐妹性风险报告之间联系的调节因子，以及兄弟姐妹遗传相似性和性风险相似性之间联系的调节因子。兄弟姐妹的性风险报告是相关的，与社会团队的预测一致，关系密切的兄弟姐妹和同性二人组之间的关联更强，基因相似的兄弟姐妹和年龄相近的兄弟姐妹之间的关联程度较低。与行为遗传学关于基因-环境相关性的假设一致，家庭温暖度相似性和兄弟姐妹关系亲密度介导了兄弟姐妹遗传相似性和性风险相似性之间的关联。
Siblings' risky attitudes toward sex and pregnancy and risky sexual behavior were studied in 1583 dyads from the National Longitudinal Study of Adolescent Health. We tested moderators of the links between 2 siblings' reports of sexual risk as well as mediators of the links between siblings' genetic similarity and similarity in their sexual risk. Siblings' sexual risk reports were correlated, and consistent with social teaming predictions, associations were stronger between siblings with close relationships and in same-gender dyads and, to a lesser extent, between more genetically similar siblings and those closer in age. Consistent with behavior genetics' hypotheses about gene-environment correlations, similarity in family warmth and sibling relationship closeness mediated associations between siblings' genetic similarity and similarity in their sexual risk.