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Prior research has demonstrated that chronic tic disorders (CTD) are associated with functional impairment across several domains. However, methodological limitations, such as data acquired by parental report, datasets aggregated across child and adult samples, and small treatment-seeking samples, curtail interpretation. The current study explored the functional impact of tics among youth in a large, "virtual" community sample. An Internet-based survey was completed by families with children who had CTD. The sample included 740 parents and 232 of their children (ages 10-17 years). The survey assessed impact across five functional domains: physical, social, familial, academic, and psychological. Health-related quality of life and perceptions of discrimination resulting from tics were also assessed. Results suggest that (1) youth with CTD experience mild to moderate functional impairment, (2) impairment is generally positively correlated with tic severity, (3) children with CTD plus one or more co-occurring psychiatric conditions tend to have greater functional impairment, and (4) a notable portion of youth with CTD experience discrimination due to tics. Implications and limitations of these findings are discussed.

Chronic tic disorders including Tourette syndrome have negative impact across multiple functional domains. We explored associations between peer victimization status and tic subtypes, premonitory urges, internalizing symptoms, explosive outbursts, and quality of life among youth with chronic tic disorders, as part of the internet-based omnibus Tourette Syndrome Impact Survey. A mixed methods design combined child self-report and parental proxy-report (i.e., parent reporting on the child) demographic and quantitative data for affected youth ages 10-17 years addressing gender, mean age, ethnicity and other socioeconomic features, and presence of tic disorders and co-occurring psychiatric disorders. Peer "Victim" versus "Non-victim" status was determined using a subset of four questions about being bullied. "Victim" status was identified for those youth who endorsed the frequency of the occurrence of being bullied in one or more of the four questions as "most of the time" or "all of the time". Data from 211 eligible youth respondents and their parents/guardians showed 26% reporting peer victimization. Victim status was associated with greater tic frequency, complexity and severity; explosive outbursts; internalizing symptoms; and lower quality of life. Peer victimization among youth with chronic tic disorders is common and appears associated with tic morbidity, anxiety, depression, explosive outbursts, and poorer psychosocial functioning. Anticipatory guidance, specific bullying screening and prevention, and further studies are indicated in this population.

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