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Table 3 Construct and concurrent validity

From: Validation of the Burden Index of Caregivers (BIC), a multidimensional short care burden scale from Japan

  Time-dependent Burden Emotional Burden Exisitential Burden Physical Burden Service-related Burden Total Care Burden BIC Total
SF-8        
   PF (Physical Functioning) -0.36 -0.35 -0.40 -0.52 -0.26 -0.44 -0.52
   p-value 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001
   RP (Role functioning Physical) -0.47 -0.48 -0.49 -0.57 -0.28 -0.56 -0.65
   p-value 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001
   BP (Bodily Pain) -0.41 -0.38 -0.40 -0.64 -0.26 -0.44 -0.56
   p-value 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001
   GH (General Health perceptions) -0.39 -0.40 -0.40 -0.56 -0.27 -0.46 -0.59
   p-value 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001
   VT (Vitality) -0.35 -0.41 -0.41 -0.50 -0.26 -0.41 -0.47
   p-value 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001
   SF (Social Functioning) -0.59 -0.48 -0.49 -0.54 -0.31 -0.57 -0.62
   p-value 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001
   RE (Role functional Emotional) -0.52 -0.50 -0.51 -0.55 -0.25 -0.58 -0.60
   p-value 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001
   MH (Mental Health) -0.55 -0.58 -0.55 -0.55 -0.29 -0.59 -0.64
   p-value 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001
CES-D 0.49 0.54 0.53 0.48 0.32 0.51 0.62
   p-value 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001
ZBI 0.76 0.72 0.70 0.68 0.38 0.80 0.84
   p-value 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001 0.0001
  1. figures indicate Pearson's correlation coefficient
  2. BIC: Burden Index of Caregivers
  3. SF-8: Health related quality of life scale, Short Form-8
  4. CES-D: Center for Epidemiologic Studies Depression scale
  5. ZBI: Zarit Burden Interview