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Title: A study of emotion regulation in individuals with schizophrenia and comorbid substance misuse
Author: Hodgson, Amy Louise
Awarding Body: University of Edinburgh
Current Institution: University of Edinburgh
Date of Award: 2005
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Objective: To evaluate an emotional regulation model of vulnerability to substance misuse in schizophrenia. Background: Excess vulnerability a substance misuse in schizophrenia is a significant clinical problem associated with a range of negative outcomes. Self-reported motives for substance misuse and traits associated with the severity of misuse indicate that the behaviour may serve an emotion regulation function. This study sought to evaluate whether there are differences in either emotion experience or emotion regulation between schizophrenia only and comorbid groups that are in keeping with an emotion regulation model. Methods: Participants were 40 psychiatric outpatients who met ICD-10 criteria for schizophrenia or a related disorder. Participants were screened for substance misuse using the DrugCheck and initially allocated to two groups based on the presence or absence of current substance misuse. Between-group comparisons were made for measures of affect (Positive and Negative Affect Scale) and two measures of emotion regulation (Emotion Regulation Questionnaire and the Child and Adolescent Emotion Regulation Questionnaire). Results: No significant between-group differences were identified on any measures. Although the analyses had insufficient power. Indications were that growing criteria may have obscured any differences. Reclassification on the basis of lifetime substance misuse status (presence or absence over lifetime) was followed by reanalysis. Significant between-group differences were then found for measures of positive affect (comorbid group lower) and the emotion regulation strategy expressive suppression (comorbid group higher). Conclusions: Findings offer some initial support for an emotion regulation model of comorbidity, between-group differences having been identified on both a measure of affective experience and emotion regulation strategies.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (D.Clin.Psy.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available