Table 6 Comparison between patients with current body focused repetitive behaviors (BFRB behaviors) and non-BFRB self-injurious behaviors (SIB behaviors) (n = 71). N = 37 have both BFRB and non-BFRB related SIB, N = 12 pure BFRB, and N = 34 pure non-BFRB related SIB. Only statistically significant results are provided while an overview of all results is provided in supplementary table 6.

From: Frequency of body focused repetitive behaviors and comparison to self-injurious behaviors in patients with tic disorders

Variable

Non BFRB related SIB

BFRB

P value

Age (mean)

31.91 SE 2.39, 95% CI 27.06–36.77

44.00 SE 5.02, 95% CI 32.94–55.06

0.0196

ADHD (n,%)

6/34, 17.65%

0/12, 0%

0.000

ATQ number of tics total (mean)

14.35 SE 0.94, 95% CI 12.45–16.26

8.33 SE 1.25, 95% CI 5.58–11.08

0.13

Motor tics

8.82, SE 0.47, 95% CI 7.93–9.84

5.58, SE 0.93, 95% CI 3.53–7.64

0.13

Vocal tics

5.47 SE 0.58, 95% CI 4.28–6.66

2.75, SE 0.45, 95% CI 1.77–3.73

0.0109

Complex tics

4.59, SE 0.55, 95% CI 3.47–5.71

1.08, SE 0.50, 95% CI − 0.016 2.18

0.0008

Complex motor tics

1.41 SE 0.18, 95% CI 1.04–1.79

0.5 SE 0.19, 95% CI 0.07–0.93

0.0089

Complex vocal tics

3.18 SE 0.41, 95% CI 2.35-4.00

0.58 SE 0.34, 95% CI -0.16- 1.32

0.07

Simple tics

9.76 SE 0.56, 95% CI 8.62–10.91

7.25 SE 0.95, 95% CI 5.17–9.33

0.0271

Simple motor tics

7.47 SE 0.37, 95% CI 6.73–8.22

5.08 SE 0.79, 95% CI 3.34–6.83

0.0035

ATQ frequency total (mean)

33.74 SE 2.95, 95% CI 27.74–39.73

18 SE 3.43, 95% CI 10.46–25.54

0.0054

Motor tics

24.32 SE 1.97, 95% CI 20.31–28.34

11.92 SE 2.29, 95% CI 6.88–16.95

0.0013

Complex tics

6.97 SE 1.10, 95% CI 4.74–9.20

1.42 SE 0.54, 95% CI 0.22–2.61

0.0051

Complex motor tics

3.09 SE 0.47, 95% CI 2.13–4.05

1 SE 0.37, 95% CI 0.19–1.81

0.0156

Complex vocal tics

3.88 SE 0.68, 95% CI 2.50–5.27

0.42 SE 0.23, 95% CI 0.09–0.92

0.0047

Simple tics

26.76 SE 2.20, 95% CI 22.3-31.23

16.58 SE 3.08, 95% CI 9.80-23.36

0.0176

Simple motor tics

21.24 SE 1.69, 95% CI 17.79–24.68

10.92 SE 2.03, 95% CI 6.44–15.39

0.0018

ATQ intensity total (mean)

35.5 SE 3.02, 95% CI 29.35–41.65

18.08, SE 3.354008, 95% CI 10.70-25.47

0.0027

Motor tics

21.85 SE 1.61, 95% CI 18.58–25.13

11.67, SE 2.36, 95% CI 6.47–16.87

0.0018

Vocal tics

13.65 SE 1.71, 95% CI 10.18–17.12

6.42 SE 1.39, 95% CI 3.36–9.48

0.203

Complex tics

3.44 SE 0.54, 95% CI 2.34–4.54

0.67, SE 0.28, 95% CI 0.04–1.29

0.0047

Complex motor tics

3.44 SE 0.54, 95% CI 2.34–4.54

0.67, SE 0.28, 95% CI 0.04–1.29

0.47

Complex vocal tics

8.82 SE 1.28, 95% CI 6.21–11.44

1.08, SE 0.61, 95% CI 0.26–2.42

0.0010

Simple tics

23.24 SE 1.71, 95% CI 19.76–26.71

16.33, SE 3.02, 95% CI 9.68–22.99

0.0477

Simple motor tics

18.41 SE 1.30, 95% CI 15.78–21.05

11, SE 2.18, 95% CI 6.19–15.81

0.0055

ATQ Total (mean)

83.59 SE 6.53, 95% CI 70.31–96.87

44.42, SE 7.70, 95% CI 27.46–61.37

0.0020

  1. SE – standard error, CI – confidence interval, ATQ – the Adult Tic Questionnaire, ADHD - attention deficit hyperactivity disorder, BFRB - body focused repetitive behaviors, SIB - self-injurious behaviours; all scales wereself-assessments.
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