. Author manuscript; available in PMC: 2016 Jul 1.

Published in final edited form as: Behav Res Ther. 2015 May 12;70:56–63. doi: 10.1016/j.brat.2015.05.006

Table 1.

Baseline sample demographic and clinical characteristics (N = 240)

Characteristic	N (%)
Male	171 (71%)
Co-occurring OCD	44 (18%)
Co-occurring ADHD	65 (27%)
Taking tic medication	76 (32%)
Randomized to CBIT/HRT therapy	122 (51%)

	Mean	SD (Range)
Age (in years)	21.57	14.02 (9-70)
Child/adolescent participants (n = 140)	12.37	2.72 (9-17)
Adult participants (n = 100)	34.44	13.31 (18-70)
YGTSS total score	23.73	6.41 (10-45)
YGTSS impairment score	23.84	7.73 (5-50)
Number bothersome tics on HM/VTS	6.22	2.02 (1-10)

Note. OCD = Obsessive-Compulsive Disorder; ADHD = Attention-Deficit/Hyperactivity Disorder; YGTSS = Yale Global Tic Severity Scale, HM/VTS = Hopkins Motor/Vocal Tic Scale