The relationship between negative urgency and generalized anxiety disorder symptoms: the role of intolerance of negative emotions and intolerance of uncertainty

Abstract

BACKGROUND AND OBJECTIVES: GAD symptoms are associated with greater negative urgency, a dimension of impulsivity defined as the tendency to act rashly when distressed. This study examined the degree to which intolerance of negative emotional states and intolerance of uncertainty account for the association between negative urgency and GAD symptoms. DESIGN: An analysis of indirect effects evaluated whether intolerance of negative emotions and intolerance of uncertainty uniquely account for the association between negative urgency and GAD symptom severity. METHODS: Undergraduate students (N = 308) completed measures of GAD symptoms, trait anxiety, negative urgency, distress tolerance, and intolerance of uncertainty. RESULTS: Greater symptoms of GAD, intolerance of negative emotional states, and intolerance of uncertainty were associated with greater negative urgency. There was an indirect relationship between negative urgency and GAD symptoms through intolerance of negative emotional states and intolerance of uncertainty even when controlling for trait anxiety. Intolerance of negative emotional states and intolerance of uncertainty each had an indirect relationship with GAD severity through negative urgency, suggesting possible bi-directional relations. CONCLUSIONS: Future studies should examine the role of intolerance of negative emotional states and intolerance of uncertainty in the impulsive behavior of individuals with GAD, and whether impulsive behavior reinforces these processes.

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