Joseph A Wonderlich1, Ross D Crosby2,3, Scott G Engel2, Scott J Crow4,5, Carol B Peterson4, Daniel Le Grange6,7, Stephen A Wonderlich2,3, Sarah Fischer8. 1. Department of Psychiatry, Columbia University Irving Medical Center, New York, New York, USA. 2. Sanford Research Center for Biobehavioral Research, Fargo, North Dakota, USA. 3. Department of Psychiatry and Behavioral Science, University of North Dakota School of Medicine and Health Sciences, Fargo, North Dakota, USA. 4. Department of Psychiatry and Behavioral Sciences, University of Minnesota, Minneapolis, Minnesota, USA. 5. The Emily Program, Minneapolis, Minnesota, USA. 6. Department of Psychiatry and Behavioral Science, University of California San Francisco, San Francisco, California, USA. 7. Department of Psychiatry and Behavioral Neurosciences, The University of Chicago, Chicago, Illinois, USA. 8. Department of Psychology, George Mason University, Fairfax, Virginia, USA.
Abstract
OBJECTIVE: Ecological momentary assessment (EMA) studies suggest that among individuals who binge eat, emotional states and binge eating are functionally related. However, it is unclear whether the trajectory of negative affect (NA) is the same across diagnostic groups or if specific changes in affect are unique to each diagnostic category. This study examined the moderating effect of diagnosis on the trajectory of negative affect before and after binge eating. METHOD: Adults with eating disorder diagnoses (anorexia nervosa [AN] = 118, bulimia nervosa [BN] = 133, binge-eating disorder [BED] = 112) completed an EMA where they reported binge eating and negative affect throughout the day. Generalized estimating equation analyses were used to model the trajectories of NA before and after binge eating. RESULTS: For all individuals, the linear trajectory of NA significantly increased before (B = 0.044, p < .001) and decreased following the binge-eating episode (B = -0.054, p < .001). However, diagnosis moderated this trajectory. Specifically, individuals with BN had a greater change in linear trajectories of NA before (B = 2.305, p < .001) and after (B = -4.149, p < .001) binge eating compared to those with BED, but not those with AN. There were no differences in the trajectory of NA between individuals with BED or AN. DISCUSSION: These findings suggest that binge-eating episodes in BN may be more strongly associated with NA than in BED, but similar to binge-eating episodes in AN.
OBJECTIVE: Ecological momentary assessment (EMA) studies suggest that among individuals who binge eat, emotional states and binge eating are functionally related. However, it is unclear whether the trajectory of negative affect (NA) is the same across diagnostic groups or if specific changes in affect are unique to each diagnostic category. This study examined the moderating effect of diagnosis on the trajectory of negative affect before and after binge eating. METHOD: Adults with eating disorder diagnoses (anorexia nervosa [AN] = 118, bulimia nervosa [BN] = 133, binge-eating disorder [BED] = 112) completed an EMA where they reported binge eating and negative affect throughout the day. Generalized estimating equation analyses were used to model the trajectories of NA before and after binge eating. RESULTS: For all individuals, the linear trajectory of NA significantly increased before (B = 0.044, p < .001) and decreased following the binge-eating episode (B = -0.054, p < .001). However, diagnosis moderated this trajectory. Specifically, individuals with BN had a greater change in linear trajectories of NA before (B = 2.305, p < .001) and after (B = -4.149, p < .001) binge eating compared to those with BED, but not those with AN. There were no differences in the trajectory of NA between individuals with BED or AN. DISCUSSION: These findings suggest that binge-eating episodes in BN may be more strongly associated with NA than in BED, but similar to binge-eating episodes in AN.
Authors: Carol B Peterson; Scott G Engel; Ross D Crosby; Timothy Strauman; Tracey L Smith; Marjorie Klein; Scott J Crow; James E Mitchell; Ann Erickson; Li Cao; Kayla Bjorlie; Stephen A Wonderlich Journal: Int J Eat Disord Date: 2020-06-25 Impact factor: 4.861
Authors: Joshua M Smyth; Stephen A Wonderlich; Kristin E Heron; Martin J Sliwinski; Ross D Crosby; James E Mitchell; Scott G Engel Journal: J Consult Clin Psychol Date: 2007-08
Authors: Megan N Parker; Marian Tanofsky-Kraff; Ross D Crosby; Lisa M Shank; Esther A Kwarteng; Lucy K Loch; Loie M Faulkner; Hannah E Haynes; Suryaa Gupta; Syeda Fatima; Jesse W P Dzombak; Anna Zenno; Scott G Engel; Sheila M Brady; Susan Z Yanovski; Jack A Yanovski Journal: Appetite Date: 2022-07-15 Impact factor: 5.016
Authors: Megan E Mikhail; Natasha Fowler; S Alexandra Burt; Michael C Neale; Pamela K Keel; Debra K Katzman; Kelly L Klump Journal: Int J Eat Disord Date: 2022-07-02 Impact factor: 5.791