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KMID : 0367320200310030146
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Journal of the Korean Academy of Child and Adolescent Psychiatry
2020 Volume.31 No. 3 p.146 ~ p.153
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Development of the Korean Form of the Premonitory Urge for Tics Scale: A Reliability and Validity Study
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Kim Mi-Ra
Chung Sang-Keun
Yang Jong-Chul
Park Jong-Il
Nam Seok-Hyun
Park Tae-Won
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Abstract
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Objectives: This study aimed to evaluate the reliability and validity of the Korean Form of the Premonitory Urge for Tics Scale (K-PUTS).
Methods: Thirty-eight patients with Tourette’s disorder who visited Jeonbuk National University Hospital were assessed with the K-PUTS. Together with the PUTS, the Yale Global Tic Severity Scale (YGTSS), the Children’s Yale-Brown Obsessive Compulsive Scale (CY-BOCS), the attention-deficit/hyperactivity disorder (ADHD) rating scale (ARS), and the Adult ADHD Self-Report Scale (ASRS) were implemented to evaluate concurrent and discriminant validity.
Results: The internal consistency of items on the PUTS was high, with a Cronbach’s α of 0.79. The test-retest reliability of the PUTS, which was administered at 2 weeks to 2 months intervals, showed high reliability with a Pearson correlation coefficient of 0.60. There was a significant positive correlation between the overall PUTS score and the YGTSS score, showing concurrent validity. There was no correlation between the PUTS, CY-BOCS, and ASRS scores, demonstrating the discriminant validity of the PUTS. Factor analysis for construct validity revealed three factors: “presumed functional relationship between the tic and the urge to tic,” “the quality of the premonitory urge,” and “just right phenomena.”
Conclusion: The results of this study indicate that the K-PUTS is a reliable and valid scale for rating premonitory urge of tics.
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KEYWORD
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Tic, Tourette’s disorder, Premonitory Urge for Tics Scale, Reliability, Validity
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