The Pain Frequency-Severity-Duration Scale as a Measure of Pain: Preliminary Validation in a Pediatric Chronic Pain Sample
Table 2
Bivariate and partial correlations among variables under study.
Usual pain (clinic visit)
Worst pain (clinic visit)
PFSD compositea
PFSD days of pain
Usual pain (PFSD)
Worst pain (PFSD)
CALQ total
0.23
0.000***
0.24
0.000***
0.49
0.000***
0.40
0.000***
0.43
0.000***
0.49
0.000***
PedsQL total
−0.23
0.000***
−0.25
0.000***
−0.38
0.000***
−0.29
0.000***
−0.32
0.001***
−0.36
0.000***
PedsQL physical
−0.21
0.001***
−0.19
0.004***
−0.40
0.000***
−0.37
0.000***
−0.30
0.000***
−0.37
0.000***
PedsQL psychosocial
−0.21
0.001***
−0.24
0.000***
−0.30
0.000***
−0.18
0.003***
−0.27
0.000***
−0.28
0.000***
PedsQL emotional
−0.21
0.002***
−0.24
0.000***
−0.28
0.000***
−0.19
0.001***
−0.26
0.000***
−0.24
0.000***
PedsQL social
−0.09
NS
−0.13
0.043**
−0.21
0.001***
−0.13
0.028**
−0.20
0.001***
−0.19
0.001***
PedsQL school
−0.20
0.002***
−0.21
0.001***
−0.22
0.001***
−0.09
NS
−0.17
0.005***
−0.23
0.000***
Partial correlations were used to control for gender. . . . NS: not significant. CALQ: child activity limitations questionnaire. PFSD: pain-frequency-severity-duration. PedsQL: pediatric quality of life.
