Factor Structure and Initial Validation of a Brief Measure of Perceived Emotional and Physical Distress Tolerance in Post-9/11 US Veterans.

Crabtree MA, Meyer EC, Kimbrel NA, DeBeer BB, Kruse MI, Gulliver SB, Telch M, Morissette SB. Factor Structure and Initial Validation of a Brief Measure of Perceived Emotional and Physical Distress Tolerance in Post-9/11 US Veterans. Military psychology : the official journal of the Division of Military Psychology, American Psychological Association. 2019 Jul 17; 31(5).

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Abstract:

Distress tolerance (i.e., perceived or actual capacity to tolerate aversive internal states) has received considerable research attention as a transdiagnostic risk-factor underlying the development and maintenance of psychopathology. Lower levels of emotional distress tolerance have been linked to psychopathology (e.g. Posttraumatic Stress Disorder) within Military populations; however, the association of distress tolerance to psychopathology in this population has been under-researched. This research gap may be due in part to a paucity of comprehensive, temporally stable and measures of distress tolerance that have been validated within Military populations, which may hinder further examination and refinement of the construct. Addressing this problem, the current study evaluates the psychometric properties of a novel and brief measure of emotional and physical distress tolerance in a sample of United States post-9/11 Veterans. Participants were 307 Veterans (M = 38.9, 67.7% male) who completed the 10-item Distress Tolerance Inventory at baseline and annual follow-up. Exploratory structural equation modeling was used to examine the optimal latent factor structure and longitudinal invariance of the DTI measurement model, along with correlational analyses to examine the convergent properties of the DTI subscales. The DTI reflected a longitudinally invariant two-factor structure (emotional and physical distress tolerance), with excellent internal consistency and preliminary evidence of convergent validity. Thus, the DTI represents a brief, reliable and temporally stable measure of physical and emotional distress tolerance.