Table 4. Analysis of YBOCS, AUDIT, PHQ-9 and MADRS questionnaires.

Questionnaire	Median score (range)				P-value
	MC	NMC	NC	Tremor
YBOCS
Total score	9 (0–26)	0 (0)	0 (0–8)	0 (0–33)	<0.001
Obsessions	0 (0–15)	0 (0)	0 (0–8)	0 (0–17)	0.16
Compulsions	7 (0–17)	0 (0)	0 (0)	0 (0–16)	<0.001
AUDIT
Total score	4 (0–34)	4.5 (1–9)	1 (0–4)	2 (0–18)	<0.001
PHQ-9
Total score	6 (0–18)	2 (0–12)	2 (0–12)	4 (0–25)	0.08
MADRS
Total score	15 (0–32)	1 (0–22)	1 (0–22)	6 (0–30)	0.01

Statistical analysis using binomial stepwise multiple logistic regression.

MC = manifesting carrier; NMC = non-manifesting carrier; NC = non-carrier.