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Prevalence and heritability of alcohol use disorders in 18-year old Swedish twins

Hildebrand Karlén, Malin ; Lindqvist Bagge, Ann-Sophie ; Berggren, Ulf ; Fahlke, Claudia ; Andiné, Peter ; Doering, Sabrina ; Lundström, Sebastian

Nordisk alkohol- & narkotikatidskrift : NAT, 2023-08, Vol.40 (4), p.391-405 [Periódico revisado por pares]

London, England: SAGE Publications

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Título:
Prevalence and heritability of alcohol use disorders in 18-year old Swedish twins
Autor: Hildebrand Karlén, Malin ; Lindqvist Bagge, Ann-Sophie ; Berggren, Ulf ; Fahlke, Claudia ; Andiné, Peter ; Doering, Sabrina ; Lundström, Sebastian
Assuntos: abuse ; adolescence ; Adolescents ; Age differences ; Alcohol related disorders ; Alcohol use ; alcohol use disorder ; Alcoholic beverages ; Alcoholism ; Alcohols ; Audits ; behavior ; Beroendelära ; consumption ; dependence ; Disorders ; Drinking ; Drinking behavior ; Drug dependence ; Environment models ; Environmental aspects ; Environmental factors ; epidemiology ; Estimates ; Females ; gender ; Gender differences ; hazardous alcohol ; Heritability ; identification test ; Males ; metaanalysis ; Monozygotic ; Research Reports ; risk ; risk groups ; Sex differences ; Substance Abuse ; Substance use disorder ; Thresholds ; Twin studies ; Twins
É parte de: Nordisk alkohol- & narkotikatidskrift : NAT, 2023-08, Vol.40 (4), p.391-405
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: Background: Heritability of alcohol use disorders (AUDs) varies widely, with reported estimates of 30–78% in twin studies. This variation might be due to methodological differences (e.g., using different thresholds for AUDs, age differences between samples). Aim: To investigate the heritability of AUDs in a nation-wide sample of male and female twins in late adolescence (18 years). Participants: The study is based on data from 8,330 18-year-old Swedish monozygotic (MZ) and dizygotic (DZ) twins from the Child and Adolescent Twin Study (Sweden). Method: Univariate sex-limitation twin analyses were performed using (a) total AUDIT score, (b) different AUDIT cut-offs (AUDIT-10: potentially harmful alcohol use and most likely alcohol dependent ; AUDIT-C: potential hazardous alcohol consumption/active alcohol use disorders), and (c) a risk-group classification for alcohol dependence based on AUDIT total score. Results: Prevalence of potential hazardous alcohol consumption/active alcohol use was 57.1%, and for potentially harmful alcohol use prevalence was 26.5%. Prevalence was higher among females (59.0% and 31.1% respectively) than males (54.4% and 20.0% respectively). Overall, the results of the univariate model fitting indicated that there were qualitative sex differences in the genetic and environmental influences on AUDs, with generally moderate heritability estimates ranging between 0.37 and 0.50. Discussion: At odds with previous research, a harmful/hazardous drinking pattern was more common in this age group among females than a low-risk drinking pattern (where males were overrepresented). Heritability estimates were moderate throughout all measures and cut-offs, with equally high contributions from shared and non-shared environment. Sex-limitation models revealed qualitative sex differences for AUDs, suggesting that different genetic and/or environmental factors influence variation in AUDs in males and females.
Editor: London, England: SAGE Publications
Idioma: Inglês;Dinamarquês;Norueguês;Sueco

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Prevalence and heritability of alcohol use disorders in 18-year old Swedish twins

Hildebrand Karlén, Malin ; Lindqvist Bagge, Ann-Sophie ; Berggren, Ulf ; Fahlke, Claudia ; Andiné, Peter ; Doering, Sabrina ; Lundström, Sebastian

London, England: SAGE Publications

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