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Examining weekly relationships between obsessive-compulsive and eating disorder symptoms
Shruti S Kinkel-Ram1, William Grunewald2, Shelby N Ortiz1
1Department of Psychology, Miami University, 90 Patterson Avenue, Oxford, OH, United States.
Journal of Affective Disorders
|November 3, 2021
Summary
Eating disorder symptoms and obsessive-compulsive disorder obsessions show a bidirectional longitudinal relationship, influencing each other over time in a community sample.
Area of Science:
- Psychiatry
- Psychology
- Mental Health Research
Background:
- Eating disorders (ED) and obsessive-compulsive disorder (OCD) frequently co-occur.
- The longitudinal relationship and symptom interplay between ED and OCD are not well understood.
Purpose of the Study:
- To investigate the bidirectional, longitudinal relationship between ED symptoms and OCD obsessions and compulsions.
- To determine if ED and OCD symptoms influence each other over time.
Main Methods:
- Auto-regressive cross-lagged panel modeling was used to analyze data.
- Data were collected across five weekly time points from 358 community individuals with moderate ED and OCD symptoms.
Main Results:
- ED symptoms and OCD obsessions demonstrated a significant bidirectional longitudinal relationship across certain weeks.
- ED symptoms predicted OCD symptoms, and OCD obsessions predicted ED symptoms over time.
- No significant longitudinal association was found between ED symptoms and OCD compulsions.
Conclusions:
- Preliminary evidence suggests a bidirectional longitudinal relationship between ED and OCD symptoms in a community sample.
- The relationship appears more pronounced between ED symptoms and OCD obsessions (cognitive symptoms) than compulsions (behavioral symptoms).
- Findings highlight the complex interplay between cognitive aspects of ED and OCD over time.
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