Perceived Control and Voice Handicap in Patients With Voice Disorders

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Objective: The purpose of the study was to replicate and extend previous research on the relation between perceived present control and voice handicap and to further examine the psychometric properties of a present control scale adapted for patients with voice disorders (Misono, Meredith, Peterson, & Frazier, 2016). Method: Sample 1 consisted of 1,129 patients recruited from a voice disorder clinic who completed measures of perceived present control, distress, and voice handicap in the clinic. Sample 2 consisted of 62 patients from the same clinic who completed measures of present control, distress, voice handicap, and general control beliefs online at baseline and measures of present control and voice handicap again 3 weeks later (n = 59). Results: With regard to the psychometric properties of the voice-adapted present control scale, alpha coefficients were above .80 and the 3-week test-reliability coefficient was .69. There was mixed support for the hypothesized 1-factor structure of the scale. In Sample 1, present control was more strongly associated with lower voice handicap than was distress and accounted for significant variance in voice handicap controlling for distress. In Sample 2, present control at baseline predicted later voice handicap, controlling for general control beliefs and distress. Conclusions: Present control appears to be a promising target for adjunctive interventions for patients with voice disorders. An evidence-based online present control intervention (Hintz, Frazier, & Meredith, 2015) is being adapted for this patient population.

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