J Korean Acad Child Adolesc Psychiatry.  2020 Jul;31(3):146-153. 10.5765/jkacap.200013.

Development of the Korean Form of the Premonitory Urge for Tics Scale: A Reliability and Validity Study

Affiliations
  • 1Department of Psychiatry, Jeonbuk National University Hospital, Jeonju, Korea
  • 2Department of Psychiatry, Jeonbuk National University Medical School, Jeonju, Korea

Abstract


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.

Keyword

Tic; Tourette’s disorder; Premonitory Urge for Tics Scale; Reliability; Validity
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