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Turk Psikiyatri Derg. 2013 Fall;24(3):158-67.

[Sociodemographic/Clinical characteristics and risk factors associated with chronic tic disorders].

[Article in Turkish]

Abstract

OBJECTIVE:

This study aimed to investigate comorbidity, and sociodemographic and clinical characteristics in children and adolescents with Tourette's syndrome (TS) and chronic motor or vocal tic disorder (CMVTD), and to determine the predictors of tic disorders.

MATERIALS AND METHODS:

In all, 57 children and adolescents with TS and CMVTD were compared with a control group. Data were obtained using the Yale Global Tic Severity Scale (YGTSS), Turgay DSM-IV-Based Disruptive Behavioral Disorders Screening and Rating Scale (T-DSM-IV-S), Children's Depression Inventory (CDI), Screen for Child Anxiety-Related Disorders (SCARED), Maudsley Obsessive-Compulsive Inventory (MOCI), and Schedule for Affective Disorders and Schizophrenia for School Age Children-Present and Lifetime Version (K-SADS-PL).

RESULTS:

Mean age of the patients was 10.5 ± 2.4 years. In all, 56 (98.2%) of the patients had simple motor tics, 50 (87.7%) had complex motor tics, and 43 (75.4%) had vocal tics. Self-injurious behavior was observed in 24 (42.1%) patients. In total, 46 (80.7%) of the patients had ≥1 comorbid disorder. Among the observed comorbid disorders, attention deficit-hyperactivity disorder (ADHD) was the most common (observed in 40.4% of the patients), followed by obsessive-compulsive disorder (OCD) (19.3%). A higher-level of maternal education and absence of ADHD were associated with a reduction in the risk of a tic disorder. A family history of psychiatric disorder increased the risk of a tic disorder 5.61-fold, and nail biting increased the risk of a tic disorder 8.2-fold. Every 1-unit increase in CDI score increased the risk of a tic disorder by 12%.

CONCLUSION:

Chronic tic disorders (CTDs) are often accompanied by other psychiatric disorders. Both child- and family-related factors are associated with the risk of developing a tic disorder. Determination of both the protective and risk factors would be beneficial for improving the mental health of the general public.

PMID:
24049006
[PubMed - in process]
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