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Shared Genetic Factors Contributing to the Overlap between Attention-Deficit/Hyperactivity Disorder Symptoms and Overweight/Obesity in Swedish Adolescent Girls and Boys

Javaras, Kristin N. (författare)
Division of Women's Mental Health, McLean Hospital, Belmont, Massachusetts, USA; Department of Psychiatry, Harvard Medical School, Boston, Massachusetts, USA
Munn-Chernoff, Melissa A. (författare)
Department of Psychiatry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
Diemer, Elizabeth W. (författare)
CAUSALab, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA; Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
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Thornton, Laura M. (författare)
Department of Psychiatry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
Bulik, Cynthia M. (författare)
Karolinska Institutet
Yilmaz, Zeynap (författare)
Department of Psychiatry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA; National Centre for Register-based Research, Aarhus University, Aarhus, Denmark
Lichtenstein, Paul (författare)
Karolinska Institutet
Larsson, Henrik, 1975- (författare)
Örebro universitet,Institutionen för medicinska vetenskaper,Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
Baker, Jessica H. (författare)
Department of Psychiatry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, USA
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 (creator_code:org_t)
2023-01-12
2022
Engelska.
Ingår i: Twin Research and Human Genetics. - : Cambridge University Press. - 1832-4274 .- 1839-2628. ; 25:6, s. 226-233
Relaterad länk:
https://urn.kb.se/re...
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https://doi.org/10.1...
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  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
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  • Attention-deficit/hyperactivity disorder (ADHD) and obesity are positively associated, with increasing evidence that they share genetic risk factors. Our aim was to examine whether these findings apply to both types of ADHD symptoms for female and male adolescents. We used data from 791 girl and 735 boy twins ages 16-17 years to examine sex-specific phenotypic correlations between the presence of ADHD symptoms and overweight/obese status. For correlations exceeding .20, we then fit bivariate twin models to estimate the genetic and environmental correlations between the presence of ADHD symptoms and overweight/obese status. ADHD symptoms and height/weight were parent- and self-reported, respectively. Phenotypic correlations were .30 (girls) and .08 (boys) for inattention and overweight/obese status and .23 (girls) and .14 (boys) for hyperactivity/impulsivity and overweight/obese status. In girls, both types of ADHD symptoms and overweight/obese status were highly heritable, with unique environmental effects comprising the remaining variance. Furthermore, shared genetic effects explained most of the phenotypic correlations in girls. Results suggest that the positive association of both types of ADHD symptoms with obesity may be stronger in girls than boys. Further, in girls, these associations may stem primarily from shared genetic factors.

Ämnesord

MEDICIN OCH HÄLSOVETENSKAP  -- Klinisk medicin -- Psykiatri (hsv//swe)
MEDICAL AND HEALTH SCIENCES  -- Clinical Medicine -- Psychiatry (hsv//eng)

Nyckelord

Obesity
attention-deficit/hyperactivity disorder
genetics
hyperactivity/impulsivity
inattention

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