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Sleep Bruxism Based on Self-report in a Nationwide Twin Cohort by CHRISTER HUBLIN; JAAKKO KAPRIO; MARKKU PARTINEN; MARKKU KOSKENVUO is a Neuroscience article available to read on EtoBox.

What is Sleep Bruxism Based on Self-report in a Nationwide Twin Cohort about?

The relative roles of genetic and environmental factors in bruxism are not known. In 1990 a questionnaire sent to the Finnish Twin Cohort yielded responses from 1298 monozygotic and 2419 dizygotic twin pairs aged 33–60 years. We used structural equation modelling to estimate genetic and environmental components of variance in the liability to bruxism. There was a significant gender difference both in childhood (__P__ =0.001) and adult (__P__ =0.007) bruxism. Females compared to males reported childhood bruxism ‘often’ 5.2% vs 4.1% and ‘sometimes’ 17.4% vs 17.3%, and as adults ‘weekly’ 3.7% vs 3.8% and ‘monthly’ 3.9% vs 4.6%, respectively. Bruxism in childhood and adulthood is highly correlated (0.86 in males and 0.87 in females). The proportion of total phenotypic variance in liability to bruxism attributed to genetic influences in childhood bruxism was 49% (95% CI 37–60%) in males and 64% (55–71%) in females, and for adults 39% (27–50%) among males and 53% (44–62%) among females. The correlation between the genetic effects on childhood bruxism and the genetic effects on adult bruxism was estimated in a bivariate model to be 0.95 (95% CI 0.94–0.96) in males and 0.89 (0.88–0.90) in

Who reads Sleep Bruxism Based on Self-report in a Nationwide Twin Cohort?

Author

CHRISTER HUBLIN; JAAKKO KAPRIO; MARKKU PARTINEN; MARKKU KOSKENVUO

Publisher

John Wiley and Sons; Wiley (Blackwell Publishing); Blackwell Publishing Inc.; Wiley (ISSN 0962-1105)

Published

1998

Language

EN

Field

Neuroscience (Life Sciences)