Skip to main content

Table 4 The three factor solution of the principal component analysis

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

    Factor 3.1: Factor 3.2: Factor 3.3:
Item Abbreviated item description Item mean (SD) Effect of dizziness and unsteadiness on emotion and participation Specific activities/movements or effort provoking dizziness or unsteadiness self-perceived
walking ability and feeling of postural stability in relation to contextual factors
    load CI-TC load CI-TC load CI-TC
E 23 feeling depressed 1.8 (1.5) 0.792 0.68     
E 2 feeling frustrated 2.4 (1.4) 0.757 0.59     
E 21 feeling handicapped 2.3 (1.5) 0.653 0.76     
F 24 job/house responsibilities 2.0 (1.6) 0.652 0.71     
E 10 embarrassed in front of others 1.6 (1.9) 0.622 0.38     
F 6 restriction of social activities 2.1 (1.7) 0.567 0.74     
E 22 stressed relationships 1.3 (1.6) 0.563 0.65     
F 3 restriction of travel 2.2 (1.7) 0.463 0.65     
E 18 difficulties in concentrating 1.9 (1.5) 0.397 0.49     
Cronbachs alpha    0.88     
P 13 turning over in bed 1.7 (1.6)    0.747 0.52   
P 11 quick head movements 2.9 (1.5)    0.726 0.55   
P 1 looking up 2.3 (1.6)    0.707 0.48   
F 5 getting into or out of bed 1.6 (1.6)    0.683 0.56   
P 25 bending over 2.0 (1.7)    0.618 0.48   
P 8 ambitious activities like sports 2.3 (1.7)    0.439 0.56   
F 14 strenuous housework 2.1 (1.6)    0.410 0.60   
F 7 difficulties in reading 1.5 (1.6) 0.200   0.253 0.35 0.209  
Cronbachs alpha      0.80   
P 17 walking down a sidewalk 1.1 (1.5)      0.713 0.58
F 19 walking around in dark 1.7 (1.7)      0.701 0.42
F 16 walking by yourself 1.2 (1.5)      0.623 0.61
E 15 afraid of appearing intoxicated 1.4 (1.7)      0.580 0.51
E 9 afraid of leaving home alone 1.0 (1.3)      0.572 0.58
P 4 walking down a supermarket aisle 1.8 (1.7)      0.553 0.51
F 12 avoid heights 2.3 (1.8)      0.543 0.43
E 20 afraid to stay home alone 0.5 (1.1)      0.416 0.44
Cronbachs alpha        0.79
  1. The table indicates item statistics, factor loadings, corrected item-total correlations (CI-TC) and Cronbachs alpha correlation coefficients estimated in n = 194. Values of factor loadings are results of the pattern matrix. Bold face indicates loadings with absolute values of 0.6 or more. Loadings < 0.4 are not reported with exception of the values of F7, which has only low loadings. The 3-factor solution explained 49.2% of the variance.
  2. Abbreviations: E indicates emotional subscale; F, functional subscale; P, physical subscale of the Dizziness Handicap Inventory - German version; load indicates factor loading.