Abstract
Biometric studies have shown that happiness is strongly affected by genes. The findings are mainly based on twin data, however, and the full validity of the results has been debated. To overcome some limitations in classical twin research, we examined aetiological sources of subjective well-being (SWB), using two independent population-based samples, one including nuclear families (N = 54,540) and one including twins (N = 6,620). Biometric modelling using R was conducted to test for a data structure implying either non-additive genetic effects or higher environmental co-twin correlation in MZ than DZ pairs (violation of the EEA). We also estimated non-random mating, cultural transmission and shared environments specific for regular siblings and twins. Two sets of nested models were fitted and compared. The best explanatory model shows that family matters for happiness predominantly due to quantitative sex-specific genetic effects, a moderate spousal correlation and a shared twin environment. Upper limits for broad-sense heritability were estimated to be 0.33 (females) and 0.36 (males). Our study constitutes the most elaborate biometric study of SWB to date and illustrates the utility of including responses from multiple types of relatives in quantitative genetic analyses.
This is a preview of subscription content, access via your institution.


References
Aisworth MDS (1991) Attachments and other affectional bonds across the life cycle. In: Parkes CM, Stevenson-Hinde J, Marris P (eds) Attachment across the lifecycle. Routledge, New York, pp 33–51
Akaike H (1987) Factor analysis and AIC. Psychometrika 52:317–332
Andrews FM, Withey SB (1976) Social indicators of well-being. Plenum, New York
Argyle M (1999) Causes and correlates of happiness. In: Kahneman D, Diener E, Schwarz N (eds) Well-being: the foundations of hedonic psychology. Russell Sage Foundation, New York
Baker LA, Cesa IL, Gatz M, Mellins C (1992) Genetic and environmental influences on positive and negative affect: support for a two-factor theory. Psychol Aging 7:158–163
Bartels M, Boomsma D (2009) Born to be happy? The etiology of subjective well-being. Behav Genet. Published online 03 September 2009
Burt SA (2009) Rethinking environmental contributions to child and adolescent psychopathology: a meta-analysis of shared environmental influences. Psychol Bull 135:608–637
Caprara GV, Steca P (2005) Affective and social self-regulatory efficacy beliefs as determinants of positive thinking and happiness. Eur Psychol 4:275–286
Caprara GV, Steca P (2006) The contribution of self-regulatory efficacy beliefs in managing affect and family relationships to positive thinking and hedonic balance. J Soc Clin Psychol 25:601–625
Caprara GV, Fagnani C, Alessandri G, Steca P, Gigantesco A, Cavalli-Sforza L, Stazi MA (2009) Human optimal functioning. The genetics of positive orientation towards self, life, and the future. Behav Genet 39:277–284
Cloninger CR (1980) Interpretation of intrinsic and extrinsic structural relations by path analysis: theory and applications to assortative mating. Genet Res 36:135–145
Davidson RJ (2004) Well-being and affective style: neural substrates and bio-behavioural correlates. Philos Trans R Soc Lond B 359:1395–1411
Depue RA (1995) Neurobiological factors in personality and depression. Eur J Pers 9:413–439
Diener E, Lucas R (1999) Personality and subjective well-being. In: Kahneman D, Diener E, Schwarz N (eds) Well-being: the foundations of hedonic psychology. Russell Sage Foundation, New York
Eaves LJ (1972) Computer simulation of sample size and experimental design in human psychogenetics. Psychol Bull 77:144–152
Eaves LJ, Eysenck HJ, Martin NG (1989) Genes, culture and personality: an empirical approach. Academic Press, London
Eaves LJ, Heath AC, Neale MC, Hewitt JK, Martin NG (1998) Sex differences and non-additivity in the effects of genes on personality. Twin Res 1:131–137
Eid M, Diener E (2004) Global judgments of subjective well-being: situational variability and long-term stability. Soc Indic Res 65:245–277
Eid M, Riemann R, Angleitner A, Borkenau P (2003) Sociability and positive emotionality: genetic and environmental contributions to the covariation between different facets of extraversion. J Pers 71:319–346
Fanous A, Gardner CO, Prescott CA, Cancro R, Kendler KS (2002) Neuroticism, major depression and gender: a population-based twin study. Psychol Med 32:719–728
Figueredo AJ, Rushton JP (2009) Evidence for shared genetic dominance between the general factor of personality, mental and physical health, and life history traits. Twin Res Hum Genet 12:555–563
Gatz M, Pedersen NL, Plomin R, Nesselroade JR, McClearn GE (1992) The importance of shared genes and shared environments for symptoms of depression in older adults. J Abnorm Psychol 101:701–708
Hettema JM, Prescott CA, Kendler KS (2004) Genetic and environmental sources of covariation between generalized anxiety disorder and neuroticism. Am J Psychiatry 161:1581–1587
Hettema JM, Neale MC, Myers JM, Prescott CA, Kendler KS (2006) A population-based twin study of the relationship between neuroticism and internalizing disorders. Am J Psychiatry 163:857–864
Holmen J, Midthjell K, Kruger O, Langhammer A, Holmen TL, Bratberg GH, Vatten L, Lund-Larsen PG (2003) The Nord-Trøndelag Health Study 1995–97 (HUNT 2): objectives, contents, methods and participation. Norsk Epidemiol 13:19–22
Jardine R, Martin NG, Henderson AS, Rao DC (1984) Genetic covariation between neuroticism and the symptoms of anxiety and depression. Genet Epidemiol 1:89–107
Johnson W, Krueger RF, Bouchard TJ, McGue M (2002) The personalities of twins: just ordinary folks. Twin Res 5:125–131
Kahneman D (1994) New challenges to the rationality assumption. J Inst Theor Econ 150:18–36
Keller MC, Coventry WL, Heath AC, Martin NG (2005) Widespread evidence for non-additive genetic variation in the Cloninger and Eysenck personality dimensions using a twin plus sibling design. Behav Genet 35:707–721
Kendler KS, Eaves LJ (2005) Psychiatric genetics. American Psychiatric Publishing, Inc, Washington, DC
Lucas RE, Diener E (2008) Personality and subjective well-being. In: John OP, Robins R, Pervin LA (eds) Handbook of personality, 2nd edn. Guilford, New York
Lucas RE, Diener E, Suh EM (1996) Discriminant validity of well-being measures. J Pers Soc Psychol 71:616–628
Lykken D, Tellegen A (1996) Happiness is a stochastic phenomenon. Psychol Sci 7:186–189
Lyubomirsky S, King LA, Diener E (2005) The benefits of frequent positive affect: does happiness lead to success. Psychol Bull 131:803–855
Magnus P, Berg K, Nance WE (1983) Predicting zygosity in Norwegian twin pairs born 1915–1960. Clin Genet 24:103–112
McGue M, Wette R, Rao DC (1984) Evaluation of path analysis through computer simulation of incorrectly assuming independent distribution of familial correlations. Genet Epidemiol 1:255–270
McGue M, Bacon S, Lykken DT (1993) Personality stability and change in early adulthood: a behavioral genetic analysis. Dev Psychol 29:96–109
Moum T, Næss S, Sørensen T, Tambs K, Holmen J (1990) Hypertension labelling, life events, and psychological well-being. Psychol Med 20:635–646
Myers DG (2004) Human connections and the good life: balancing individuality and community in public policy. In: Linley PA, Josephs S (eds) Positive psychology in practice. Wiley, Hoboken, pp 641–657
Nes RB, Røysamb E, Tambs K, Harris JR, Reichborn-Kjennerud T (2006) Subjective well-being: genetic and environmental contributions to stability and change. Psychol Med 36:1033–1042
Pomiankowski A, Møller AP (1995) A resolution of the lek paradox. Proc R Soc Lond B 260:21–29
R Development Core Team (2005) R: a language and environment for statistical computing. R Foundation for Statistical Computing, Vienna. ISBN 3-900051-07-0. http://www.R-project.org
Reis HT, Gable SL (2003) Toward a positive psychology of relationships. In: Keyes CLM, Haidt J (eds) Flourishing: positive psychology and the life well-lived. American Psychological Association, Washington, DC, pp 129–159
Rettew DC, Rebollo-Mesa I, Hudziak JJ, Willemsen G, Boomsma DI (2008) Non-additive and additive genetic effects on extraversion in 3314 Dutch adolescent twins and their parents. Behav Genet 38:223–233
Riemann R, Angleitner A, Sterelau J (1997) Genetic and environmental influences on personality: a study of twins reared together using the self- and peer-report NEO-FFI scales. J Pers 65:449–475
Rijsdijk FV, Schnieder H, Ormel J, Sham P, Goldberg DP, Spector TD (2003) Genetic and environmental influences on psychological distress in the population: general health questionnaire analyses in UK twins. Psychol Med 33:793–801
Rose R, Kaprio J (1988) Frequency of social contact and intrapair resemblance of adult monozygotic co-twins—or does shared experience influence personality after all. Behav Genet 18:309–328
Rose RJ, Koskenvuo M, Kaprio J, Sarna S, Langinvainio H (1988) Shared genes, shared experiences, and similarity of personality: data from 14,288 adult Finnish co-twins. J Pers Soc Psychol 54:161–171
Røysamb E, Harris JR, Magnus P, Vittersø J, Tambs K (2002) Subjective well-being. Sex-specific effects of genetic and environmental factors. Pers Individ Differ 32:211–223
Røysamb E, Neale MC, Tambs K, Reichborn-Kjennerud T, Harris JR (2003) Happiness and health: environmental and genetic contributions to the relationship between subjective well-being, perceived health, and somatic illness. J Pers Soc Psychol 85:1136–1146
Ryan RM, Deci EL (2001) On happiness and human potentials: a review of research on hedonic and eudaimonic well-being. In: Fiske S (ed) Annual review of psychology. Annual Reviews, Inc, Palo Alto, pp 141–166
Schimmack U, Lucas RE (2007) Environmental influences on well-being: a dyadic latent panel analysis of spousal similarity. http://www.erin.utoronto.ca/~w3psyuli/PReprints/ms%20Environmental%20Effects%20on%20SWB%20070723%20Proofread.pdf
Schnittker J (2008) Happiness and success: genes, families, and the psychological effects of socioeconomic position and social support. Am J Sociol 114:233–259
Stubbe JH, Posthuma D, Boomsma DI, De Geus EJ (2005) Heritability of life satisfaction in adults: a twin-family study. Psychol Med 35:581–1588
Tambs K, Moum T (1992) No large convergence during marriage for health, lifestyle, and personality in a large sample of Norwegian spouses. J Marriage Fam 54:957–971
Tambs K, Harris JR, Magnus P (1995) Sex-specific causal factors and effects of common environment for symptoms of anxiety and depression in twins. Behav Genet 25:33–44
Tellegen A, Lykken DT, Bouchard TJ, Wilcox KJ, Segal NL, Rich S (1988) Personality similarity in twins reared apart and together. J Pers Soc Psychol 54:1031–1039
Truett KR, Eaves LJ, Walters EE, Heath AC, Hewitt JK, Meyer JM, Silberg J, Neale MC, Martin NG, Kendler KS (1994) A model system for analysis of family resemblance in extended kinships of twins. Behav Genet 24:35–49
Watson D, Clark LA (1997) Extraversion and its positive emotional core. In: Hogan R, Johnson J, Briggs S (eds) Handbook of personality psychology. Academic Press, New York, pp 767–793
Weiss A, Bates TC, Luciano M (2008) Happiness is a personal(ity) thing: the genetics of personality and well-being in a representative sample. Psychol Sci 19:205–209
Weiss A, King JE, Enns RM (2002) Subjective well-being is heritable and genetically correlated with dominance in Chimpanzees (Pan troglodytes). J Pers Soc Psychol 83:1141–1149
Acknowledgments
Nord-Trøndelag Health Study (The HUNT Study) is a collaboration between HUNT Research Centre (Faculty of Medicine, Norwegian University of Science and Technology NTNU), Nord-Trøndelag County Council and The Norwegian Institute of Public Health. The twin program of research at the Norwegian Institute of Public Health is supported by grants from The Norwegian Research Council, The Norwegian Foundation for Health and Rehabilitation, and by the European Commission under the programme “Quality of Life and Management of the Living Resources” of 5th Framework Programme (no. QLG2-CT-2002-01254). We are very thankful to the twins for their participation.
Author information
Authors and Affiliations
Corresponding author
Additional information
Edited by Chandra A. Reynolds.
Rights and permissions
About this article
Cite this article
Nes, R.B., Czajkowski, N. & Tambs, K. Family Matters: Happiness in Nuclear Families and Twins. Behav Genet 40, 577–590 (2010). https://doi.org/10.1007/s10519-010-9365-x
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s10519-010-9365-x
Keywords
- Subjective well-being
- Happiness
- Life satisfaction
- Behaviour genetics
- Twin research