F50.2 F45.2
Conditions
Interventions
Group 1: Experimental condition - subjects are instructed to check their body in their typical way(s) at double frequency over three days.
Group 2: Control condition – participants are instructed to c
Sponsors
Universität Konstanz
Eligibility
Sex/Gender
All
Age
18 Years to 65 Years
Inclusion criteria
Inclusion criteria: • Age (18-65 years) • For the experimental groups: Presence of one of the three mental disorders (bulimia nervosa, body dysmorphic disorder or illness anxiety disorder), as determined by a standardised diagnostic interview (DIPS) (presence of a comorbid disorder is not an exclusion criterion as long as two of the focal disorders are not present at the same time). • For the control group: currently no mental disorder (according to DIPS) and none of the three focal disorders in the past.
Exclusion criteria
Exclusion criteria: • Participants with acute suicidal tendencies • Participants with acute self-harm • Participants with substance dependence
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| State measures of emotion, cognition and disorder-specific pathology before and after the end of the study condition: Self-Assessment Manikin for Arousal and Valence (SAM; Bradley & Lang, 1994), five segregated items from the Positive and Negative Affect Schedule (PANAS-X; Röcke & Grühn, 2003), scale to assess the extent of worry in relation to the main apprehension (Worry Scale), questionnaire on the extent of goal attainment in Body Checking (Hartmann et al., 2019). Disorder-specific psychopathology: adapted versions of the questionnaires in each case (adaptation of the time criterion to the last three days). Bulimia Nervosa: Body Image State Scale (BISS; Vocks et al., 2007), Eating Disorder Examination-Questionnaire short version (EDE-Q8; Hilbert &Tuschen-Caffier, 2016) Body dysmorphic disorder: Dysmorphic Concern Questionnaire (DCQ; Stangier et al., 2003) Illness Anxiety Disorder: Modified version of the Short Health Anxiety Inventory (mSHAI; Bailer et al., 2013). | — |
Secondary
| Measure | Time frame |
|---|---|
| Baseline measures (collected as part of the overall project): ICD-10 Symptom Rating (ISR, Tritt et al., 2008), Rosenberg Self-Esteem Scale (RSES; von Collani & Herzberg, 2003), Negative Emotionality subscale of the Big Five Inventory (BFI-2; Danner et al., 2019) and Patient Health Questionnaire-9 (PHQ-9; Löwe et al., 2002), Eating Disorder Examination-Questionnaire (EDE-Q; Hilbert & Tuschen-Caffier, 2006), Body Dysmorphic Symptoms Questionnaire (FKS; Buhlmann et al., 2009), Whiteley Index (WI; Glöckner-Rist, Barenbrügge, & Rist, 2014),Catastrophizing Rating subscale of the Body and Health Questionnaire (FKG; Hiller et al., 1997), Uncertainty Intolerance Questionnaire (UI-18; Gerlach, Andor & Patzelt, 2008), Body Checking Questionnaire (BCQ; Vocks, Moswald & Legenbauer, 2008), Urgency subscale of the UPPS Impulsive Behaviour Scale (Schmidt et al., 2008), Extent of Goal Attainment Questionnaire (Hartmann et al., 2019). Telephone screening: Diagnostic Brief Interview for Mental Disorders (Mini-DIPS, Margraf & Cwik, 2017) Laboratory diagnostics: Categorical recording of the main diagnosis and comorbid symptomatology or absence of a diagnosis (for the control group) by Diagnostic Interview in Mental Disorders (DIPS, Margraf et al., 2021); brief interview on checking behaviours | — |
Countries
Germany
Contacts
Public ContactMaj-Britt Vivell
Universität Osnabrück
Outcome results
None listed