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Heritability of life satisfaction in adults: a twin-family study.

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Title: Heritability of life satisfaction in adults: a twin-family study.
Authors: Stubbe JH (AUTHOR), Posthuma D (AUTHOR), Boomsma DI (AUTHOR), De Geus EJC (AUTHOR)
Source: Psychological Medicine. Nov2005, Vol. 35 Issue 11, p1581-1588. 8p.
Abstract: BACKGROUND: Subjective well-being (SWB) can be partitioned into the components life satisfaction and affect. Research on factors influencing these components of well-being has mainly focused on environmental characteristics. The aim of this study was to investigate the relative contribution of genes and environment to individual differences in life satisfaction in a large sample of Dutch twins and their singleton siblings. METHOD: Life satisfaction of 5668 subjects registered with The Netherlands Twin Registry (NTR) was measured with a Dutch version of the self-reported Satisfaction with Life Scale. An extended twin design was used to obtain correlations in life satisfaction scores for monozygotic twins, dizygotic twins and sibling pairs and to estimate the contribution of genes and environment to the variation in life satisfaction. RESULTS: No differences between males and females were found in the mean level of life satisfaction. Broad-sense heritability was 38%. Non-additive genetic factors explained all or most of the genetic influences. The remaining 62% of the variance in life satisfaction could be attributed to unique environmental factors, both persistent and transitory, plus measurement error. CONCLUSIONS: Individual differences in life satisfaction are determined in part by genetic factors that are largely or entirely non-additive in nature. [ABSTRACT FROM AUTHOR]
Copyright of Psychological Medicine is the property of Cambridge University Press and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Heritability of life satisfaction in adults: a twin-family study.
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  Data: <searchLink fieldCode="AR" term="%22Stubbe+JH%22">Stubbe JH</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Posthuma+D%22">Posthuma D</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Boomsma+DI%22">Boomsma DI</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22De+Geus+EJC%22">De Geus EJC</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Psychological+Medicine%22">Psychological Medicine</searchLink>. Nov2005, Vol. 35 Issue 11, p1581-1588. 8p.
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: BACKGROUND: Subjective well-being (SWB) can be partitioned into the components life satisfaction and affect. Research on factors influencing these components of well-being has mainly focused on environmental characteristics. The aim of this study was to investigate the relative contribution of genes and environment to individual differences in life satisfaction in a large sample of Dutch twins and their singleton siblings. METHOD: Life satisfaction of 5668 subjects registered with The Netherlands Twin Registry (NTR) was measured with a Dutch version of the self-reported Satisfaction with Life Scale. An extended twin design was used to obtain correlations in life satisfaction scores for monozygotic twins, dizygotic twins and sibling pairs and to estimate the contribution of genes and environment to the variation in life satisfaction. RESULTS: No differences between males and females were found in the mean level of life satisfaction. Broad-sense heritability was 38%. Non-additive genetic factors explained all or most of the genetic influences. The remaining 62% of the variance in life satisfaction could be attributed to unique environmental factors, both persistent and transitory, plus measurement error. CONCLUSIONS: Individual differences in life satisfaction are determined in part by genetic factors that are largely or entirely non-additive in nature. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Psychological Medicine is the property of Cambridge University Press and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1017/s0033291705005374
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        Text: English
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              Text: Nov2005
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