Table 1. Clinical characteristics before vs. during the COVID-19 pandemic.

	Before COVID-19		During COVID-19		Wilcoxon Signed Ranks
Severity of symptoms	Medians (min-max)		Medians (min-max)
DOCS	6 (0-65)		16 (0-74)		Z=-20.857; p<.001
VOCI-MC	4 (0-66)		7 (0-80)		Z=-15.424; p<.001
AAI	6 (0-40)		6 (0-40)		Z=-1.553; p<.120
HRS	3 (0-35)		3 (0-37)		Z=-4.364; p<.001
MGH-HPS	0 (0-28)		0 (0-22)		Z=-4.579; p<.001
SPD	0 (0-32)		0 (0-32)		Z=-4.587; p<.001
DASS	6 (0-55)		10 (0-57)		Z-13.701; p<.001
Disability levels
WHODAS	15 (12-49)		17 (12-56)		Z=-14.031; p<.001
Quality of life
Q-LES-Q-SF	54 (19-70)		50.00 (19-70)		Z=-15.042; p<.001
Rates of OCRDs	Percentages		Percentages		McNemar Test
OCD (DOCS ≥ 21)	15.3%		38.6%		Chi-square=173.84; Asymp. sig. <.001
BDD (AAI ≥19)	16.5%		18.0%		Chi-square=3.02; Asymp sig. =.082
HD (HRS ≥ 14)	17.7%		21.2%		Chi-square=13.75; Asym sig. <.001
TTM (MGH-HPS ≥ 17)	8.1%		7.5%		Exact sig. (2-tailed) = 1.85
SPD (SPS ≥ 9)	15.2%		18.5%		Chi-square=13.25; Asym sig. <.001

Footnote: DOCS=Dimensional Obsessive-Compulsive Scale; VOCI-MC=Vancouver Obsessional Compulsive Inventory-Mental Contamination Scale; AAI=Anxiety Appearance Inventory; HRS=Hoarding Rating Scale; MGH-HPS=Massachusetts General Hospital Hair Pulling Scale; SPRS=Skin Picking Scale; WHODAS= World Health Organization Disability Assessment Schedule; Q-LES-Q-SF=Quality of Life Enjoyment and Satisfaction Questionnaire Short Form; DASS-21= Depression Anxiety Stress Scale-21; OCD=Obsessive-Compulsive Disorder; BDD=Body Dysmorphic Disorder; HD=Hoarding Disorder; TTM=Hair Pulling Disorder; SPD=Skin Picking Disorder;