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An investigation of weight suppression in a population-based sample of female twins. 2011

Karen S Mitchell, and Michael C Neale, and Cynthia M Bulik, and Michael Lowe, and Hermine H Maes, and Kenneth S Kendler, and Suzanne E Mazzeo
Department of Psychology, Virginia Commonwealth University,Richmond, VA 23284-2018, USA.

OBJECTIVE Weight suppression (WS), maintaining a body weight below one's maximum adult weight, is associated with bingeing, purging, and weight gain in clinical samples. METHODS We investigated associations between eating disorder-related variables and WS and additive genetic (A), common (C), and unique (E) environmental contributions to WS in a population-based sample of 1,503 female adult twins. RESULTS Modeling results were similar for participants reporting no binge eating (NBE) and those reporting binge eating plus loss of control (BE + LOC): 20-25% of the variance in WS was due to A and 70-75% due to E. Among NBE participants, restraint, drive for thinness, body dissatisfaction, and dieting during child/adulthood were related to WS. Restraint, disinhibition, and dieting during childhood were significantly associated with WS in the BE + LOC subsample. CONCLUSIONS Although maintaining lower body weight could be advantageous, interventionists should take care when addressing weight suppression in individuals vulnerable to eating disorder symptomatology.

UI MeSH Term Description Entries
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D012042 Registries The systems and processes involved in the establishment, support, management, and operation of registers, e.g., disease registers. Parish Registers,Population Register,Parish Register,Population Registers,Register, Parish,Register, Population,Registers, Parish,Registers, Population,Registry
D001828 Body Image Individuals' concept of their own bodies. Body Identity,Body Representation,Body Schema,Body Images,Body Representations,Body Schemas,Identity, Body,Image, Body,Representation, Body,Schema, Body
D001835 Body Weight The mass or quantity of heaviness of an individual. It is expressed by units of pounds or kilograms. Body Weights,Weight, Body,Weights, Body
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D001068 Feeding and Eating Disorders A group of disorders characterized by physiological and psychological disturbances in appetite or food intake. Appetite Disorders,Eating Disorders,Eating and Feeding Disorders,Feeding Disorders,Appetite Disorder,Disorder, Eating,Disorder, Feeding,Disorders, Eating,Disorders, Feeding,Eating Disorder,Feeding Disorder

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