Table 2—

Factor loadings and descriptive statistics of NeuroQoL

ItemFactors for physical symptoms
Factors for psychosocial symptoms
Factor 1 (pain)Factor 2 (reduced feeling)Factor 3 (diffuse sensory motor)Factor 1 (interpersonal/emotional burden)Factor 2 (activity limitations)
Burning in your legs or feet0.75
Excessive heat or cold in your legs or feet0.63
Pins and needles in your legs or feet0.75
Shooting or stabbing pain in your legs or feet0.76
Throbbing in your legs and feet0.78
Sensations in your legs or feet that make them jump0.72
Irritation of the skin caused by something touching your feet0.60
Numbness in your feet0.79
Inability to feel the difference between hot and cold with your feet0.91
Inability to feel objects with your feet0.92
Weakness in your hands0.65
Problems with balance or unsteadiness while walking0.90
Problems with balance or unsteadiness while standing0.88
As a result of foot problems:
 Your self-confidence has been affected0.81
 You feel older than your years0.80
 Your life is a struggle0.79
 You feel frustrated0.79
 You feel embarrassed0.78
 You feel depressed0.72
Foot problems interfere with close relationships0.720.44
As a result of foot problems:
 You feel more physically dependent0.670.56
 You feel more emotionally dependent0.700.44
 Your role in family changed0.660.50
 You are treated differently0.65
Foot problems interfere with:
 Ability to perform paid work0.73
 Ability to perform daily tasks0.76
 Ability to take part in leisure activities0.76
Eingenvalue6.121.861.078.841.26
Percentage of variance explained47.1114.288.2158.958.38
Valid N416416412409416
Scale mean1.982.882.282.522.31
Scale SD0.891.501.191.381.19
Percentage minimum score14.420.425.528.420.70
Percentage maximum score0.519.04.48.31.0
Cronbach’s α0.880.900.860.900.95
  • Note: factor analyses were performed separately on physical and psychosocial items. All loadings ≥0.40 are shown.