Educational achievement and vocational career in twins - a Swedish national cohort study
Educational achievement and vocational career in twins - a Swedish national cohort study
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DOI：
10.1111/j.1651-2227.2012.02636.x
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发表时间：
2012-06-01
期刊：
影响因子：
3.8
通讯作者：
Lindblad, Frank
中科院分区：
文献类型：
--
作者：
Hjern, Anders;Ekeus, Cecilia;Lindblad, Frank
目的：探讨双胞胎出生和成长与智商、教育成就和职业生涯的关系。方法：在全国出生队列中进行登记研究，并辅以同胞研究。研究人群包括1973 - 1981年瑞典出生队列中出生和长大的13368名双胞胎和837752名单胞胎，包括3019名双胞胎兄弟姐妹。我们的结果的措施是平均成绩点从小学九年级在1516年，智商测试的9个等级点的规模从男性义务兵在1819年，最高完成教育，残疾福利，工作收入和就业在2735年的年龄。结果如下：双胞胎在九年级的平均成绩略好; +0.08（95%CI 0.040.11），并且更多的人在成年后完成了大学教育;与独生子女相比，OR 1.16（1.021.21），尽管男性双胞胎在征兵时的智商略低于男性独生子女。就业率，平均收入和残疾福利在双胞胎和单胞胎中相似。结论：双胞胎与独生子女相比，有更好的教育事业和相似的职业生涯。
Aim: To investigate how being born and raised as a twin is associated with IQ, educational achievement and vocational career. Methods: Register study in a national birth cohort, complemented with a siblings study. The study population included 13 368 individuals born and raised as twins and 837 752 singletons, including 3019 siblings of twins, in the Swedish birth cohorts of 19731981. Our outcome measures were mean grade points on a five point scale from ninth grade of primary school at 1516 years, IQ tests on a nine grade point scale from male conscripts at 1819 years, highest completed education, disability benefits, work income and employment at 2735 years of age. Results: Twins had slightly better mean grade point averages in ninth grade; +0.08 (95% CI 0.040.11) and more often had completed a university education in young adulthood; OR 1.16 (1.021.21) compared with singleton siblings, despite male twins having a slightly lower IQ at military conscription compared with male singletons. Employment rates, mean income and disability benefits were similar in twins and singletons. Conclusions: Twins have slightly better educational careers and similar vocational careers compared with those born as singletons.