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

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

  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**
  1. 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.
  2. 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