Table 3

Intercorrelations among PedsQL™ Scales for Child Self-Report and Parent Proxy-Report for Fibromyalgia Sample

Scale

TG

PF

PH

EF

SF

SchF

TF

GF

S/RF

CF

P/HS


Total Generic Core (TG)

    0.63***

0.79***

0.92***

0.71***

0.68***

0.81***

0.81***

0.81***

0.67**

0.69***

0.72***

Physical Functioning (PF)

0.80***

    0.47***

0.48***

0.27*

0.40**

0.49***

0.75***

0.74***

0.61**

0.64**

0.63***

Psychosocial Health (PH)

0.93***

0.51***

    0.66***

0.83***

0.71***

0.84***

0.69***

0.69***

0.57**

0.58**

0.62***

Emotional Functioning (EF)

0.73***

0.44**

0.76***

    0.66***

0.35**

0.58***

0.50*

0.49*

0.31

0.49*

0.51***

Social Functioning (SF)

0.80***

0.45***

0.85***

0.45**

    0.49***

0.40**

0.45*

0.47*

0.58**

0.21

0.43**

School Functioning (SchF)

0.77***

0.38**

0.85***

0.44**

0.65***

    0.59***

0.71***

0.68***

0.47*

0.73***

0.54***

Total Fatigue (TF)

0.75***

0.61**

0.62**

0.53*

0.40

0.63**

    0.81***

0.93***

0.84***

0.90***

0.64**

General Fatigue (GF)

0.77***

0.70***

0.60**

0.55**

0.38

0.52*

0.89***

    0.78***

0.72***

0.76***

0.67***

Sleep/Rest Fatigue (S/RF)

0.53*

0.39

0.46*

0.41

0.33

0.38

0.84***

0.74***

    0.77***

0.62**

0.48*

Cognitive Fatigue (CF)

0.59**

0.44*

0.50*

0.38

0.30

0.71***

0.80***

0.54*

0.45*

    0.75***

0.53**

Pain and Hurt Scale (P/HS)

0.64***

0.53***

0.58***

0.56***

0.42**

0.44**

0.63**

0.66**

0.63**

0.34

    0.73***


Pearson's product moment correlations for patient self-report above diagonal, Pearson's product moment correlations for parent proxy-report below diagonal, and two-way mixed effect model (absolute agreement, single measure) Intraclass Correlations (ICCs) for patient/parent agreement on diagonal. Effect sizes are designated as small (0.10), medium (0.30), and large (0.50) for Pearson's product moment correlations. ICCs are designated as ≤ 0.40 poor to fair agreement, 0.41–0.60 moderate agreement, 0.61–0.80 good agreement, and 0.81–1.00 excellent agreement. *p < .05, **p <. 01, ***p < .001.

Varni et al. Health and Quality of Life Outcomes 2007 5:9   doi:10.1186/1477-7525-5-9

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