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Validation of the Turkish Version of the Questionnaire for Impulsive-Compulsive Disorders in Parkinson’s Disease– Rating Scale (Quip-Rs)

Ardıl Bayram Şahin 1 2 , Elif Sude Özaşik 2 3 , Yasemin Kadandir 4 , Muhammet Nesip Seyidoğlu 4 , Roza Gök 4 , Berfu Ünal 5 , Özgür Öztop Çakmak 6 , Behçet Coşar 5 , Feriha Özer 6 , Hale Yapici Eser 2 7
1.

Neuroscience PhD Program, Graduate School of Health Sciences, Koç University, İstanbul, Türkiye

2.

Research Center for Translational Medicine (KUTTAM), Koç University, İstanbul, Türkiye

3.

Department of Psychology, Atlas University Faculty of Humanities and Social Sciences, İstanbul, Türkiye

4.

Koç University School of Medicine, Istanbul, Türkiye

5.

Department of Psychiatry, Gazi University Faculty of Medicine, Ankara, Türkiye

6.

Department of Neurology, Koç University School of Medicine, İstanbul, Türkiye

7.

Department of Psychiatry, Koç University School of Medicine, İstanbul, Türkiye

Psychiatry and Clinical Psychopharmacology 1; 1: -
DOI: 10.5152/pcp.2025.241017
Read: 41 Downloads: 14 Published: 25 June 2025
Volume 1, Issue 1, January 2001
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Background: Impulse control disorders and related behaviors (ICDs-RBs) significantly affect the quality of life of Parkinson’s disease (PD) patients. The Questionnaire for Impulsive-Compulsive Disorders in Parkinson’s Disease–Rating Scale (QUIP-RS) was developed to identify and monitor these behaviors. This study aimed to translate and validate the Turkish version of QUIP-RS.

Methods: The translation process involved back-translation and expert review. Ninety-three patients with PD completed the Turkish QUIP-RS, Movement Disorder Society-Unified PD Rating Scale part III, Hoehn-Yahr stage, Standardized Mini-Mental State Examination, Frontal Assessment Battery, and selfreport tools for depression, anxiety, and impulsivity. Internal consistency, factor analysis, convergent and divergent validity were assessed, along with relationships between QUIP-RS domains, clinical features, and dopaminergic medication.

Results: Eighty-seven patients were included in this analysis. The QUIP-RS’s total Cronbach’s alpha value was 0.925, demonstrating good reliability. Factor analysis showed a good model fit, reflecting different ICDs-RBs domains. Thirty-nine percent of the patients were screened with at least 1 ICDs-RB, 17.2% of participants had single ICDs-RBs, and 21.8% had multiple ICDs-RBs. The most prevalent ICDsRBs were punding, compulsive eating, and dopamine dysregulation syndrome (DDS). Total levodopa equivalent daily dose (LEDD) was related to only ICD-related behaviors (hobbyism, punding, DDS). In contrast, the dopamine agonist LEDD was significantly correlated with all ICDs-RBs except pathological gambling.

Conclusion: ICD-RBs are common in the sample recruited fromTürkiye, and the Turkish version of the QUIP-RS is a valid and reliable tool for assessing ICD-RBs in Turkish-speaking groups.

Cite this article as: Şahin AB, Özaşik ES, Kadandir Y, et al. Validation of the Turkish version of the Parkinson’s Disease–Rating Scale (QUIP-RS). Psychiatry Clin Psychopharmacol. Published online June 25, 2025. doi: 10.5152/pcp.2025.241017.

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