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BMI and Disordered Eating in Urban, African American, Adolescent Girls: The Mediating Role of Body Dissatisfaction

Authors
  • Buckingham-Howes, Stacy1
  • Armstrong, Bridget2
  • Pejsa-Reitz, Megan C.2
  • Wang, Yan2
  • Witherspoon, Dawn O.3
  • Hager, Erin R.2
  • Black, Maureen M.2, 4
  • 1 University of Maryland School of Medicine, Department of Neurology 110 S Paca St, Baltimore, MD 21201
  • 2 University of Maryland Baltimore School of Medicine, Department of Pediatrics 737 West Lombard Street Baltimore, MD 21201
  • 3 University of North Florida, Department of Psychology 1 UNF Drive Jacksonville, FL 32224
  • 4 RTI International, Research Triangle Park, NC 27709
Type
Published Article
Journal
Eating behaviors
Publication Date
Feb 28, 2018
Volume
29
Pages
59–63
Identifiers
DOI: 10.1016/j.eatbeh.2018.02.006
PMID: 29522978
PMCID: PMC5935573
Source
PubMed Central
Keywords
License
Unknown

Abstract

Objective This study examined the mediating role of body dissatisfaction between body mass index (BMI) and subsequent disordered eating (e.g. dieting and restricting/purging) among early adolescent African American girls. Study Design Participants included 701 African American girls in 6th and 7th grades in urban schools serving low-income communities, mean age 12.15 ( SD =0.72) years. Participants were assessed at baseline and approximately 6 months later. Objectively measured height and weight were used to calculate BMI z-score. Participants completed questionnaires on body size dissatisfaction and recent dieting and restricting/purging behaviors. Results At baseline, 51.5% of participants were overweight/obese, and 60.4% expressed body dissatisfaction and a desire to be smaller. Path analytic analyses revealed change in body dissatisfaction significantly mediated the relation between initial BMI z-score and increases in dieting behaviors (B = 0.924, SE =0.280, p =.001) but not restricting/purging behaviors ( p =.05). Conclusions Body dissatisfaction explains some associations between excess body weight and subsequent disordered eating symptoms among early adolescent, African American girls. Body dissatisfaction, identified by screening, may be an indicator of further negative consequences, including disordered eating behaviors.

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