Tic Disorders are Associated With Lower Child and Parent Quality of Life and Worse Family Functioning.

Chronic tic disorders occur in approximately 3% of children. Neuropsychiatric symptoms of attention-deficit/hyperactivity disorder, obsessive-compulsive disorder, anxiety, and depression are common. We evaluated the impact of tic disorders and comorbid symptoms on individual and parent quality of life and family functioning. In two cross-sectional studies children with tic disorders were enrolled at the University of Rochester or the University of South Florida; data were pooled for analyses. Control subjects were enrolled at the University of Rochester. We compared quality of life and function in youth and families with and without tic disorders. We evaluated the associations between comorbid symptoms and individual quality of life and family impact in youth with tic disorders using multiple regression analyses. We enrolled 205 youths with tic disorders and 100 control subjects. Psychosocial (P < 0.0001) and physical (P < 0.0001) quality of life were lower in individuals with tic disorders compared with controls. Severity of attention-deficit/hyperactivity disorder (P < 0.0001) and depression (P = 0.046) symptoms were associated with lower psychosocial quality of life in youth with tic disorders. Families of youths with tic disorders had worse parent quality of life (P < 0.001) and family functioning (P < 0.001) than control families. Severity of attention-deficit/hyperactivity disorder (P < 0.0001), obsessive-compulsive disorder (P = 0.0004), and depression (P = 0.01) symptoms were associated with predicted worse family impact. Youths with tic disorders had lower individual and parent quality of life and worse family functioning than controls. The impact of tic disorders on the family may have significant implications for approaches to providing comprehensive care to these families.

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