Genetic and Environmental Influences on Restrained Eating Behavior: IJED-08-0240.R2
Total CE Credit Hours: 1 Course Info URL: https://www.ce-credit.com/courses/101660
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Objective:
We examined the relative contributions of genetic and environmental influences to restrained eating.
Method:
Restrained eating was assessed by the Restraint Scale in a survey mailed to all twins enrolled in the University of Washington Twin Registry. We used structural equation modeling to estimate genetic and nongenetic contributions to restrained eating.
Results:
1,196 monozygotic (MZ), 456 same-sex dizygotic (DZ) twins, and 447 opposite-sex twins were included in analyses. Restraint Scale scores were more closely correlated in MZ twins (rmale = .55, rfemale = .55) than in same-sex DZ twins (rmale = .31, rfemale = .19). Based on structural equation modeling, the estimated heritability for restrained eating, adjusted for body mass index (BMI) and sex, was 43% (95% confidence interval 35-50%). There was little evidence for common environmental effects.
Discussion:
These results indicate an inherited component to restrained eating. Genes could influence restrained eating directly or through inherited mediators such as personality factors or tendencies to gain weight.
This course is based on the reading-based online article, Genetic and Environmental Influences on Restrained Eating Behavior: IJED-08-0240.R2 created by Ellen Schur, MD, MS, Carolyn Noonan, MS, Carolyn Noonan, MS, Janet Polivy, PhD, Jack Goldberg, PhD, and Dedra Buchwald, MD
Journal/Publisher:
Wiley Interscience
Publication Date:
December 09
Course Material Authors
Course Material Authors authored the material only, and were not involved in creating this CE course. They are identified here for your own evaluation of the relevancy of the material this course is based on.
Ellen Schur, MD, MS
Department of Medicine, University of Washington School of Medicine, Seattle, Washington
Carolyn Noonan, MS
Department of Medicine, University of Washington School of Medicine, Seattle, Washington
Carolyn Noonan, MS
Department of Medicine, University of Washington School of Medicine, Seattle, Washington
Janet Polivy, PhD
Department of Psychology, University of Toronto at Mississaugua, Toronto, Ontario, Canada
Jack Goldberg, PhD
Department of Epidemiology, University of Washington and Vietnam Era Twin Registry, Seattle, Washington
Dedra Buchwald, MD
Department of Medicine, University of Washington School of Medicine, Seattle, Washington
This course is recommended for health care professionals, especially psychologists, counselors, social workers, and nurses who seek knowledge about eating disorders It is appropriate for an intermediate level of participants' knowledge.
Course Objectives:
After taking this course, you should be able to:
Discuss the genetic and environmental influences to restrained eating.
Explain the inherited component to restrained eating.
Recognize how genes can influence restrained eating.
Disclosures
Disclosure of Relevant Financial Relationships
Disclosure of Relevant Financial Relationships
CE Learning Systems, LLC is an independent provider of continuing medical education. CE Learning Systems, LLC has no proprietary or financial interest in medical or healthcare products over which the FDA (USA) or EMA (EU) has regulatory authority.
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Planners
The planners have reported the following: There are no relevant disclosures.
Course Material Authors
The authors have disclosed any disclosures within the material.
Course Creator: Dan Rebek, Ph.D.
There are no relevant disclosures.
Commercial support
There is no commercial support for this distance-learning course.
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