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The Nature of the S...
The Nature of the Shared Environment
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- Kendler, Kenneth S. (author)
- Virginia Commonwealth University
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- Ohlsson, Henrik (author)
- Lund University,Lunds universitet,Allmänmedicin och klinisk epidemiologi,Forskargrupper vid Lunds universitet,Family Medicine and Clinical Epidemiology,Lund University Research Groups
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- Lichtenstein, Paul (author)
- Karolinska Institutet,Karolinska Institute
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- Sundquist, Jan (author)
- Lund University,Lunds universitet,Allmänmedicin och klinisk epidemiologi,Forskargrupper vid Lunds universitet,Family Medicine and Clinical Epidemiology,Lund University Research Groups,Icahn School of Medicine at Mount Sinai,Shimane University
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- Sundquist, Kristina (author)
- Lund University,Lunds universitet,Allmänmedicin, kardiovaskulär epidemiologi och levnadsvanor,Forskargrupper vid Lunds universitet,Family Medicine, Cardiovascular Epidemiology and Lifestyle,Lund University Research Groups,Icahn School of Medicine at Mount Sinai,Shimane University
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(creator_code:org_t)
- 2018-12-08
- 2019
- English.
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In: Behavior Genetics. - : Springer Science and Business Media LLC. - 0001-8244 .- 1573-3297. ; 49:1, s. 1-10
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Abstract
Subject headings
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- While a standard part of twin modeling, the magnitude of shared environment (c2) is rarely examined by comparing estimates obtained using other methods. To clarify these effects on familial resemblance, we estimated c2 for 20 diverse phenotypes in: (i) monozygotic and dizygotic twins, (ii) all step-siblings, and (iii) reared together and apart half-siblings, ascertained from the Swedish general population. The mean c2 estimates (± 95% CIs) differed across methods and were higher from twins (0.18; 0.13–0.23) than from the step (0.12; 0.09–0.14) and half-sibs (0.09; 0.06–0.13). c2 estimates correlated moderately across these three methods (ICC = + 0.28). When step-siblings from blended (each sib biologically related to one parent) and adoption-like families (one sib offspring of both parents and one of neither), were examined separately, resemblance was much lower in the latter. We need to clarify the range of environmental processes now considered together under the term “shared environment.”
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Folkhälsovetenskap, global hälsa, socialmedicin och epidemiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Public Health, Global Health, Social Medicine and Epidemiology (hsv//eng)
Keyword
- Half-siblings
- Shared environment
- Step-siblings
- Sweden
- Twins
Publication and Content Type
- art (subject category)
- ref (subject category)
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