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Table 4 Correlation coefficient matrix between the domains of WHODAS 2.0, SF36, BDI and FIQ

From: Functioning in the fibromyalgia syndrome: validity and reliability of the WHODAS 2.0

  WHODAS 2.0 Domains
Cognition Mobility Self-care Getting along Life activity Work activity Domestic activity Participation Total
SF 36
SF36 Total − 0.4055* − 0.4716* − 0.5394* − 0.5462* − 0.4436* − 0.2242 − 0.5522* − 0.4819* − 0.6435*
Physical Functioning − 0.3403* − 0.5581* − 0.4397* − 0.2362 − 0.4917* − 0.3756* − 0.4509* − 0.2828* − 0.4894*
Role Physical − 0.1648 − 0.2165 − 0.3209* − 0.2201 − 0.2657 − 0.0394 − 0.4692* − 0.3264* − 0.3301*
Bodily Pain − 0.1658 − 0.1783 − 0.0933 0.0319 − 0.1750 − 0.0431 − 0.2258 − 0.0593 − 0,2001*
General Health − 0.2017 − 0.3715* − 0.5347* − 0.3230* − 0.4297* − 0.2075 − 0.5094* − 0.3377* − 0.4483*
Vitality − 0.2821* − 0.3880* − 0.3269* − 0.1622 − 0.1715 − 0.0124 − 0.3146* − 0.3150* − 0.4100*
Social Functioning − 0.3268* − 0.2279 − 0.1436 − 0.3691* − 0.2875* − 0.2328 − 0.2485 − 0.2066 − 0.3664*
Role Emotional − 0.0244 − 0.0095 − 0.2995* − 0.3411* − 0.1032 − 0.0236 − 0.1586 − 0.0353 − 0.1165
Mental Health − 0.3287* − 0.2005 − 0.0588 − 0.3317* − 0.1434 − 0.1130 − 0.1517 − 0.2844* − 0.2832*
FIQ 0.3419* 0.4355* 0.3105* 0.1857 0.3894* 0.1833 0.4640* 0.3615 0.4857*
BDI 0.5005* 0.3767* 0.2828 0.5276* 0.2643 0.2528 0.2387 0.2866 0.4616*
  1. *p < 0.05; FIQ = Fibromyalgia Impact Questionnaire; WHODAS = World Health Organization Disability Assessment Schedule; SF36 = Medical Outcomes Study 36- Item Short-Form Health Survey; BDI = Beck Depression Index