RESEARCH ARTICLE
Eating Disorder Symptoms and Suicidal Ideation: The Moderating
Role of Disgust
Carol Chu
*
, Lindsay P. Bodell, Jessica D. Ribeiro & Thomas E. Joiner
Department of Psychology, Florida State University, Tallahassee, FL, USA
Abstract
Disgust has been implicated as a factor that maintains and exacerbates eating disorder (ED) symptoms. Emerging research sug-
gests that disgust may be a risk factor for suicidality. Given the high rates of suicidality among individuals with EDs, we propose
that disgust may contribute to the link between EDs and suicidality. To test this hypothesis, self-report data were collected from
341 young adults (66% women). Cross-sectional associations between disgust with the self, others and the world and disgust sen-
sitivity and propensity, ED symptoms and suicidal ideation were examined using multivariate regression analyses. ED symptoms
and body dissatisfaction were associated with increased suicidal ideation at high levels of disgust with the self and the world; at
low levels of disgust, ED symptoms and body dissatisfaction did not significantly relate to suicidal ideation. Disgust may indicate
risk for suicidal ideation among individuals with eating psychopathology. Copyright © 2015 John Wiley & Sons, Ltd and Eating
Disorders Association.
Received 27 February 2015; Revised 18 April 2015; Accepted 1 May 2015
Keywords
eating disorder symptoms; disgust; suicidal ideation; suicide risk
*Correspondence
Carol Chu, Department of Psychology, Florida State University, 1107 West Call St., Tallahassee, FL 32306, USA.
Email: chu@psy.fsu.edu
Published online in Wiley Online Library (wileyonlinelibrary.com) DOI: 10.1002/erv.2373
Although high rates of suicidal ideation and behaviour
(suicidality) exist among individuals with eating disorders (EDs;
Preti, Rocchi, Sisti, Camboni, & Miotto, 2011), little research
has focused on factors that maintain symptoms of suicidality in
this population. Recent evidence suggests that the basic emotion
of disgust is central to the development and maintenance of a
range of psychopathology, including ED symptoms (Olatunji &
McKay, 2007). Although a recent review has implicated disgust
as a risk factor for suicidality (Chu, Buchman-Schmitt, Michaels,
Ribeiro, & Joiner, 2013), no research has examined whether dis-
gust maintains symptoms of suicidality in individuals with eating
disorders. It is crucial to understand factors contributing to sui-
cidal ideation in this population in order to identify effective
treatment targets and reduce deaths by suicide.
Disgust, which has been linked to food ingestion, avoidance
behaviours and nausea (Rozin, Haidt, & McCauley, 1999), is par-
ticularly salient to individuals with EDs. Disgust has been impli-
cated as a factor that maintains and/or exacerbates ED
symptoms. Individuals with EDs often report a heightened sense
of disgust with body shape and functions (Szmukler, Dare, &
Treasure, 1995). Studies have found a relationship between trait
disgust sensitivity (i.e. how easily one experiences the emotion)
and propensity (i.e. how negatively the emotion is perceived)
and EDs in some domains, particularly related to high-calorie
foods and overweight body shapes in both nonclinical (Davey,
Buckland, Tantow, & Dallos, 1998; Harvey, Troop, Treasure, &
Murphy, 2002) and clinical samples (Aharoni & Hertz, 2012;
Hay & Katsikitis, 2014; Troop, Treasure, & Serpell, 2002). Some
studies have also provided support for a relationship between
specific facets of disgust (e.g. disgust with the self) and EDs.
Studies of shame and guilt towards the self, which are facets re-
lated to self-disgust (Tangney, Miller, Flicker, & Barlow, 1996),
indicate a potential relationship between disgust with the self
and EDs (Sanftner, Barlow, Marschall, & Tangney, 1995; Troop,
Allan, Serpell, & Treasure, 2008). Research studies examining
self-objectification, or the tendency to view oneself as an object,
have also reported that increases in self-objectification in women
have been shown to elicit shame, body dissatisfaction, self-disgust
and restricted eating (Harper & Tiggemann, 2008). Although
these findings suggest that individuals with ED symptoms may
be particularly vulnerable to experiencing disgust, the specific na-
ture of this relationship is not well understood. Despite the
prominence of symptoms of disgust among individuals with
EDs, to our knowledge, only a handful of studies have directly
examined the relationship between disgust with the self and
EDs (see Fox, Grange, & Power, 2015 for review). These studies
reported high levels of disgust with the self are associated with
more significant ED symptoms in clinical samples of individuals
with EDs (Ille et al., 2014) and depressive symptoms (Powell,
Overton, & Simpson, 2014). However, these studies lack details
Eur. Eat. Disorders Rev. (2015)© 2015 John Wiley & Sons, Ltd and Eating Disorders Association.