Total CE Credit Hours: 1
Course Info URL: https://www.ce-credit.com/courses/101660
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About the Course:
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 Creator
Recommended For:
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:
Discuss the genetic and environmental influences to restrained eating.
Explain the inherited component to restrained eating.
Recognize how genes can influence restrained eating.
Course Article
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Course Article
Exam Questions
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