Table 4.

Correlations between Hoarding Rating Scale-Interview (HRS-I) items in the clinic and home visit and other measures of hoarding.

	HRS-I Score (Clinic)
Measures Completed in Clinic	Clutter	Difficulty Discarding	Acquisition	Distress	Impairment	Total
CIR (Participant)	0.76**	0.65**	0.57**	0.69**	0.71**	0.72**
SI-R
Total	0.89*	0.87**	0.78*	0.86**	0.89**	0.91**
Clutter	0.92**	0.84**	0.75**	0.86**	0.90**	0.91**
Difficulty Discarding	0.83**	0.87**	0.76**	0.85**	0.85**	0.88**
Acquisition	0.77**	0.76**	0.76**	0.73**	0.79**	0.81**
OCI-R: Hoarding	0.88**	0.86**	0.77**	0.85**	0.86**	0.89**
	HRS-I Score (Home)
Measures Completed at Home	Clutter	Difficulty Discarding	Acquisition	Distress	Impairment	Total
CIR (Participant)	0.83**	0.68**	0.60**	0.71**	0.81**	0.78**
SI-R
Total	0.89**	0.90**	0.81**	0.89**	0.90**	0.94**
Clutter	0.92**	0.87**	0.74**	0.90**	0.92**	0.93**
Difficulty Discarding	0.81**	0.88**	0.75**	0.83**	0.82**	0.88**
Acquisition	0.78**	0.80**	0.85**	0.79**	0.80**	0.86**
CIR (Experimenter)	0.88**	0.71**	0.59**	0.72**	0.83**	0.80**

Note: CIR = Clutter Image Rating. SI-R = Saving Inventory-Revised. OCI-R = Obsessive-Compulsive Inventory-Revised.

^**p < 0.001.