Table 2 Characteristics of interview participants (n  = 42)
Characteristic | Â |
|---|---|
Age in years, Mean (SD), Range | 13.4 (2.1), 10-17 |
Sex, n (%) | Â |
  Male | 32 (76.2) |
  Female | 10 (23.8) |
Ethnicity, n (%) | Â |
  White British | 36 (85.7) |
  Mixed/Multiple ethnic groups | 6 (14.3) |
Co-occurring conditions as reported by child’s parent (may be more than one condition), n (%) | 20 (47.6) |
  Attention-deficit/hyperactivity disorder | 9 (21.4) |
  Obsessive compulsive disorder | 7 (16.7) |
  Autism spectrum disorder | 6 (14.3) |
  Anxiety | 4 (9.5) |
  Other | 5 (11.9) |
Treatment for tics, n (%) | Â |
  Medication | 23 (54.8) |
  Behavioural intervention | 8 (19.0) |
  No medication or behavioural intervention | 18 (42.9) |
Medication for tics, n (%) | Â |
  Clonidine | 12 (28.6) |
  Risperidone | 11 (26.2) |
  Aripiprazole | 10 (23.8) |
  Haloperidol | 3 (7.1) |
  Diazepam | 2 (4.8) |
  Lorazepam | 2 (4.8) |
  Sertraline | 2 (4.8) |
  Atomoxetine | 1 (2.4) |
  Clonazepam | 1 (2.4) |
  Methylphenidate | 1 (2.4) |
  Penicillin | 1 (2.4) |
  Procyclidine | 1 (2.4) |