Cited by 318Child and Adolescent Psychosocial and Emotional DevelopmentAnxiety, Depression, Psychometrics, Treatment, Cognitive ProcessesGenetic Associations and Epidemiology

A twin study of anxiety-related behaviours in pre-school children

Eley, Thalia C., Bolton, Derek, O'Connor, Thomas G., Perrin, Sean, Smith, Patrick, Plomin, Robert·2003·Journal of Child Psychology and Psychiatry

Abstract

Background: From middle childhood onwards, substantial evidence points to phenotypic differentiation between anxiety diagnostic categories such as generalised anxiety, separation anxiety, specific phobia, and obsessive‐compulsive disorders. However, little is known about the genetics of these categories and especially about the phenotypic and genetic structure of related behaviours in pre‐school children. Methods: We examined the phenotypic differentiation and genetics of mother‐reported anxiety‐related behaviours in 4,564 four‐year‐old twin pairs, from a population‐based sample. Results: Confirmatory factor analyses provided support for five correlated factors: General Distress, Separation Anxiety, Fears, Obsessive‐Compulsive Behaviours, and Shyness/Inhibition. Genetic influences were found on all five factors, but the pattern of influences differed considerably across them, with particularly high heritability estimates for Obsessive‐Compulsive Behaviours and Shyness/Inhibition, and substantial shared environmental influence on Separation Anxiety. Multivariate genetic analyses revealed moderate genetic correlations between the five factors. Genetic overlap was particularly pronounced between General Distress and the other anxiety‐related behaviours, accounting for about half of their covariance. Genetic variance on Obsessive‐Compulsive Behaviours was the least correlated with the other scales. The shared environmental influences correlated highly across the factors, accounting for the greatest proportion of covariation between Separation Anxiety, Fears and Obsessive‐Compulsive Behaviours. The non‐shared environment influences were largely variable specific. Conclusions: These data provide evidence for phenotypic and genetic overlap as well as differentiation between aspects of anxiety‐related behaviours in young children. We conclude that research with young children will benefit from more specific assessments of anxiety‐related behaviours in addition to less differentiated assessments of ‘internalising’ symptoms.

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Crossref · 10.1111/1469-7610.00179

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  • The common single nucleotide polymorphism heritability of OCD is estimated at 28% in meta-analyses, while overall heritability is reported at 40% to 50%.

    “The common single nucleotide polymorphism heritability of OCD has been estimated to be 28% in meta-analyses (18), whereas the overall heritability is reported to be 40% to 50% (19–24).”

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Authors
Eley, T. C., Bolton, D., O'Connor, T. G., Perrin, S., Smith, P., & Plomin, R.
Affiliations
King's College London (GB)
Corresponding author
Eley, Thalia C.
Venue
Journal of Child Psychology and Psychiatry
Publisher
Wiley
Published
2003-10
Volume
44
Issue
7
Pages
945-960
ISSN
  • 0021-9630 (ISSN-L)
  • 1469-7610
OpenAlex
W1970309247
Cited by
318
References
82
Citations by year
2026: 4 · 2025: 5 · 2024: 7 · 2023: 9 · 2022: 4 · 2021: 14 · 2020: 19 · 2019: 21 · 2018: 10 · 2017: 9 · 2016: 12 · 2015: 14 · 2014: 28 · 2013: 15 · 2012: 17
FWCI
10.17
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Child Psychology and Psychiatry (publishedVersion)
  • PubMed (publishedVersion)
  • Research Portal (King's College London) (submittedVersion)
  • Lund University Publications (Lund University) (submittedVersion)
Topics
  • Social Sciences › Psychology › Clinical Psychology › Child and Adolescent Psychosocial and Emotional Development
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
Keywords
anxiety-like behavior, preschool children, twin studies, heritability, genetic correlation, shared environment, nonshared environment, separation anxiety, obsessive-compulsive behavior, general distress, fear, internalizing problems, phenotypic differentiation, genetic overlap
MeSH terms
Anxiety Disorders, Child Behavior, Child, Preschool, Female, Humans, Male, Obsessive-Compulsive Disorder, Phenotype, Stress, Psychological, Genetic Predisposition to Disease

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