Rachel L Zelkowitz1,2, David A Cole1. 1. Department of Psychology and Human Development, Vanderbilt University, Nashville, Tennessee, USA. 2. Women's Health Sciences Division, National Center for PTSD, Veterans Affairs Boston Healthcare System, Boston, Massachusetts, USA.
Abstract
OBJECTIVE: Self-criticism has been proposed as a transdiagnostic predictor of disordered eating and nonsuicidal self-injury (NSSI). First, this study explored cross-sectional associations of multiple disordered eating behaviors, NSSI, and self-criticism. Second, it tested longitudinal relations of self-criticism with disordered eating and NSSI, adjusting for baseline levels of both behaviors. METHODS: In Sub-study 1, undergraduates (N = 251, 79.5% female, Mage = 19.1 years) completed self-report measures of disordered eating, NSSI, and self-criticism at baseline and after 8 weeks. In Sub-study 2, community-based young adults with histories of disordered eating, NSSI, or both (N = 517, 88.8% female, Mage = 24.7 years) completed measures of disordered eating, NSSI, and self-criticism at baseline and after 4 weeks. All measures were completed online. RESULTS: In Sub-study 1, both disordered eating and NSSI showed significant cross-sectional associations with self-criticism, and self-criticism was significantly related to binge eating, fasting, and NSSI at follow-up. In Sub-study 2, both behaviors again showed significant cross-sectional associations with self-criticism. Self-criticism showed significant longitudinal relations with fasting, purging, and excessive exercise. Longitudinal relations of self-criticism with NSSI varied across disordered eating behaviors. DISCUSSION: NSSI showed cross-sectional associations with a range of disordered eating behaviors. Self-criticism reflects a common correlate of both disordered eating and NSSI. Evidence supported transdiagnostic longitudinal impact of self-criticism across multiple forms of disordered eating but provided more limited support for impacts on NSSI.
OBJECTIVE: Self-criticism has been proposed as a transdiagnostic predictor of disordered eating and nonsuicidal self-injury (NSSI). First, this study explored cross-sectional associations of multiple disordered eating behaviors, NSSI, and self-criticism. Second, it tested longitudinal relations of self-criticism with disordered eating and NSSI, adjusting for baseline levels of both behaviors. METHODS: In Sub-study 1, undergraduates (N = 251, 79.5% female, Mage = 19.1 years) completed self-report measures of disordered eating, NSSI, and self-criticism at baseline and after 8 weeks. In Sub-study 2, community-based young adults with histories of disordered eating, NSSI, or both (N = 517, 88.8% female, Mage = 24.7 years) completed measures of disordered eating, NSSI, and self-criticism at baseline and after 4 weeks. All measures were completed online. RESULTS: In Sub-study 1, both disordered eating and NSSI showed significant cross-sectional associations with self-criticism, and self-criticism was significantly related to binge eating, fasting, and NSSI at follow-up. In Sub-study 2, both behaviors again showed significant cross-sectional associations with self-criticism. Self-criticism showed significant longitudinal relations with fasting, purging, and excessive exercise. Longitudinal relations of self-criticism with NSSI varied across disordered eating behaviors. DISCUSSION: NSSI showed cross-sectional associations with a range of disordered eating behaviors. Self-criticism reflects a common correlate of both disordered eating and NSSI. Evidence supported transdiagnostic longitudinal impact of self-criticism across multiple forms of disordered eating but provided more limited support for impacts on NSSI.
Authors: Katherine A Halmi; Dara Bellace; Samantha Berthod; Samiran Ghosh; Wade Berrettini; Harry A Brandt; Cynthia M Bulik; Steve Crawford; Manfred M Fichter; Craig L Johnson; Allan Kaplan; Walter H Kaye; Laura Thornton; Janet Treasure; D Blake Woodside; Michael Strober Journal: Int J Eat Disord Date: 2012-04-05 Impact factor: 4.861
Authors: A Cucchi; D Ryan; G Konstantakopoulos; S Stroumpa; A Ş Kaçar; S Renshaw; S Landau; E Kravariti Journal: Psychol Med Date: 2016-03-08 Impact factor: 7.723