Exploratory factor analysis of the Dizziness Handicap Inventory (German version)

Table 3 Associations between the DHI, the original subscales, the retained factors, disability items and the HADS

	Level of disability	Limitation of daily activity/participation (UCLA-DQ3)	HADS	HADS-A	HADS-D
DHI-G	0.71**	0.55**	0.59**	0.43**	0.66**
E	0.63**	0.57**	0.62**	0.46**	0.67**
F	0.71**	0.51**	0.54**	0.39**	0.62**
P	0.46**	0.34**	0.36**	0.26**	0.40**
Factor 3.1	0.70**	0.60**	0.60**	0.43**	0.68**
Factor 3.2	0.53**	0.40**	0.35**	0.26**	0.39**
Factor 3.3	0.53**	0.34**	0.52**	0.39**	0.56**
Factor 4.1	0.70**	0.60**	0.60**	0.43**	0.68**
Factor 4.2	0.44**	0.35**	0.27**	0.22**	0.28**
Factor 4.3	0.53**	0.33**	0.47**	0.33**	0.55**
Factor 4.4	0.52**	0.42**	0.47**	0.37**	0.48**

Values are Spearman correlation coefficients: ** correlation is significant at 0.01 level (1-tailed); * correlation is significant at the 0.05 level (1-tailed). Bold face indicates moderate associations.
Abbreviations: DHI-G indicates Dizziness Handicap Inventory-German version; E, F and P, emotional, functional, and physical subscales of the DHI-G; Factor 3.1 - 3.3 indicate the 3 components of the 3-factor solution; Factor 4.1 - 4.4 the 4 components of the 4-factor solution; HADS, Hospital Anxiety and Depression Subscale; HADS-A, anxiety subscale of the HADS; HADS-D, depression subscale of the HADS; UCLA-DQ3, item 3 of the University of California Los Angeles -Dizziness Questionnaire

ISSN: 1472-6815