Table 6

Convergent Validity of the EQ-5D and PGWB: Spearman correlations with condition-specific measures and BMI



DSC-R Scales

ADS
 Total Score
 Fatigue
 Cognitive
 Pain
 Sensory
 Cardiology
 Ophthalmology
 Hypoglycemia
 Hyperglycemia
 BMI1
EQ-5D










     Index Score
 -.52***
 -.64***
 -.61***
 -.46***
 -.51***
 -.53***
 -.56***
 -.22*
 -.44***
 -.46***
 -.27**
     VAS
 -.49***
 -.53***
 -.50***
 -.43***
 -.39***
 -.41***
 -.45***
 -.19*
 -.33***
 -.37***
 -.38***
PGWB










     Global Score
 -.61***
 -.71***
 -.76***
 -.61***
 -.46***
 -.48***
 -.54***
 -.24**
 -.56***
 -.45***
 -.24**
     Anxiety
 -.48***
 -.58***
 -.62***
 -.50***
 -.38***
 -.37***
 -.43***
 -.19*
 -.52***
 -.37***
 -.15
     Depressed Mood
 -.55***
 -.57***
 -.65***
 -.52***
 -.37***
 -.33***
 -.48***
 -.15
 -.48***
 -.34***
 -.16
     Positive Well-Being
 -.61***
 -.60***
 -.65***
 -.56***
 -.39***
 -.40***
 -.45***
 -.19*
 -.52***
 -.34***
 -.19*
     Self-Control
 -.54***
 -.61***
 -.61***
 -.60***
 -.40***
 -.42***
 -.47***
 -.25**
 -.49***
 -.38***
 -.20*
     General Health
 -.52***
 -.68***
 -.66***
 -.47***
 -.50***
 -.58***
 -.50***
 -.32***
 -.44***
 -.45***
 -.28**
     Vitality
 -.58***
 -.67***
 -.81***
 -.59***
 -.38***
 -.45***
 -.49***
 -.19*
 -.50***
 -.43***
 -.28***

BMI = Body Mass Index; ADS = Appraisal of Diabetes Scale; DSC-R = Diabetes Symptom Checklist – Revised; PGWB = Psychological General Well-Being Index; VAS = Visual Analog Scale; 1Body Mass Index = (weight in pounds/[height in inches]2) × 703; *p < 0.05; **p < 0.01; ***p < 0.001

Matza et al. Health and Quality of Life Outcomes 2007 5:47   doi:10.1186/1477-7525-5-47