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THE URGE TO PURGE: AN ECOLOGICAL MOMENTARY ASSESSMENT OF PURGING DISORDER AND BULIMIA NERVOSA

Smith, Kathryn Elizabeth

Abstract Details

2014, PHD, Kent State University, College of Arts and Sciences / Department of Psychological Sciences.
Although a considerable body of research has assessed the antecedents and consequences of binge episodes among individuals with Bulimia Nervosa (BN), the maintaining mechanisms of bulimic symptomatology have yet to be fully understood. Furthermore, it is unclear how the daily symptoms of individuals with Purging Disorder (PD) compare to BN. The present study examined the cognitions, emotions, and eating behaviors of individuals with bulimic spectrum disorders and controls using Ecological Momentary Assessment methodology. A sample of 42 women with Bulimic Spectrum disorders (BN: n=33; PD: n=9) and controls (n=31) completed daily diary assessments on mobile devices for 10 days. Results indicated that individuals with BN reported more objective binge episodes (OBEs) than those with PD and controls, yet those with BN and PD did not differ in the frequency of subjective binge episodes (SBEs). Negative affect was predictive of cognitive, yet not behavioral, aspects of dietary restriction, and increases in negative affect and guilt were predictive of OBEs, but not SBEs. Contrary to the affect regulation model, binge episodes did not effectively regulate affect. Furthermore, affect lability was associated with higher levels of eating psychopathology and OBE frequencies. Whereas OBEs predicted subsequent cognitive restraint, neither OBEs nor SBEs predicted post-eating body dissatisfaction, increased negative affect or guilt, or thoughts of exercise or purging. Findings highlight the differential relationships between eating psychopathology, cognitive and behavioral aspects of dietary restriction, and affective changes among individuals with BN and PD, as well as the similarities and differences in BN and PD symptomatology.
Janis Crowther (Advisor)
Joel Hughes (Committee Member)
Jeffery Ciesla (Committee Member)
Manfred Van Dulmen (Committee Member)
Richard Adams (Committee Member)
Susan Roxburgh (Committee Member)
87 p.

Recommended Citations

Citations

  • Smith, K. E. (2014). THE URGE TO PURGE: AN ECOLOGICAL MOMENTARY ASSESSMENT OF PURGING DISORDER AND BULIMIA NERVOSA [Doctoral dissertation, Kent State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=kent1416829240

    APA Style (7th edition)

  • Smith, Kathryn. THE URGE TO PURGE: AN ECOLOGICAL MOMENTARY ASSESSMENT OF PURGING DISORDER AND BULIMIA NERVOSA . 2014. Kent State University, Doctoral dissertation. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=kent1416829240.

    MLA Style (8th edition)

  • Smith, Kathryn. "THE URGE TO PURGE: AN ECOLOGICAL MOMENTARY ASSESSMENT OF PURGING DISORDER AND BULIMIA NERVOSA ." Doctoral dissertation, Kent State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=kent1416829240

    Chicago Manual of Style (17th edition)