title: Genetic effects on male sexual coercion.
abstract: The genetic and environmental influences on sexual coercion, and to what extent its associations with alcohol use and psychopathy depend on shared genetic and environmental effects, were explored in a Finnish population-based sample of 938 men, aged 33-43 years, using the classical twin study design. All three phenotypes were associated positively and affected by genes (sexual coercion 28%, alcohol use 60%, psychopathy 54%), with 46% of the correlation between sexual coercion and psychopathy, 89% of the correlation between alcohol use and psychopathy and 100% of the correlation between sexual coercion and alcohol use being explained by shared genetic effects. Further, the results showed that a proportion of the variance in sexual coercion was derived from a highly genetic source that was common with alcohol use and psychopathy. This latent factor was hypothesized to reflect a general tendency for antisocial behavior that is pervasive across different situations. Relevant theories on sexual coercion were discussed in light of the results.
authors.affiliation: Department of Psychology, Center of Excellence for Behavior Genetics, Abo Akademi University, Turku, Finland. ada.johansson@abo.fi
authors.forename: Ada
authors.initials: A
authors.lastname: Johansson
authors.forename: Pekka
authors.initials: P
authors.lastname: Santtila
authors.forename: Nicole
authors.initials: N
authors.lastname: Harlaar
authors.forename: Bettina
authors.initials: B
authors.lastname: von der Pahlen
authors.forename: Katarina
authors.initials: K
authors.lastname: Witting
authors.forename: Monica
authors.initials: M
authors.lastname: Algars
authors.forename: Katarina
authors.initials: K
authors.lastname: Alanko
authors.forename: Patrick
authors.initials: P
authors.lastname: Jern
authors.forename: Markus
authors.initials: M
authors.lastname: Varjonen
authors.forename: N Kenneth
authors.initials: NK
authors.lastname: Sandnabba
mesh_terms: D000328:Adult; D000428:Alcohol Drinking / Q000009:adverse effects / Q000235:genetics* / Q000523:psychology; D000987:Antisocial Personality Disorder / Q000235:genetics* / Q000523:psychology; D003068:Coercion; D004200:Diseases in Twins / Q000235:genetics* / Q000523:psychology; D005387:Finland; D005838:Genotype; D006801:Humans; D008297:Male; D008960:Models, Psychological; D010555:Personality Inventory; D011902:Rape / Q000523:psychology*; D012307:Risk Factors; D012725:Sexual Behavior / Q000523:psychology*; D012919:Social Behavior; D012931:Social Environment; D013223:Statistics as Topic; D014429:Twins, Dizygotic / Q000235:genetics / Q000523:psychology; D014430:Twins, Monozygotic / Q000235:genetics / Q000523:psychology; D014754:Violence / Q000523:psychology