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Aetiological overlap between anxiety and attention deficit hyperactivity symptom dimensions in adolescence
Author(s) -
Michelini Giorgia,
Eley Thalia C.,
Gregory Alice M.,
McAdams Tom A.
Publication year - 2015
Publication title -
journal of child psychology and psychiatry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.652
H-Index - 211
eISSN - 1469-7610
pISSN - 0021-9630
DOI - 10.1111/jcpp.12318
Subject(s) - anxiety , psychology , impulsivity , comorbidity , agoraphobia , panic , etiology , clinical psychology , population , negative affectivity , anxiety disorder , social anxiety , association (psychology) , psychiatry , medicine , environmental health , psychotherapist
Background Anxiety and attention‐deficit/hyperactivity ( ADH ) problems are common in adolescence, often co‐occur, and are characterised by high heterogeneity in their phenotypic expressions. Although it is known that anxiety and ADH problems correlate, the relationships between subtypes of anxiety and ADH problems have been scarcely investigated. Methods Using a large population sample of adolescent twins and siblings we explored the phenotypic and aetiological association between anxiety subtypes (panic/agoraphobia, separation anxiety, social anxiety, physical injury fears, obsessive‐compulsive symptoms and generalised anxiety) and the two ADH dimensions (attention problems and hyperactivity/impulsivity). Both phenotypes were assessed using self‐report questionnaires. Results The association between ADH problems and anxiety could be entirely attributed to attention problems, not hyperactivity/impulsivity. Most of the correlations between anxiety subtypes and attention problems showed an approximately equal role of genetic and nonshared environmental factors. Conclusions The high heterogeneity within anxiety and ADH problems should be taken into account in order to better understand comorbidity between them.