Table 5 Construct validity – FPHPQ correlations with EQ-5D, BPI, and KINDL

Pain Associated with Heat or Exertion

Pain Associated with Cold

Abdominal Pain & Fatigue

EQ-5D Utility

−0.43*

−0.31*

−0.35*

BPI Pain Interference Score

0.25

0.33*

0.35*

BPI Pain Intensity

Worst Pain

0.22

0.39*

0.32

Least Pain

0.21

0.12

0.19

Average Pain

0.01

0.04

0.06

Pain Right Now

−0.02

0.07

−0.04

KINDL

Physical Health

0.22

0.39*

0.43*

General Health

−0.11

0.07

0.16

Personal Health

−0.35*

−0.47*

−0.29

Family

0.08

−0.20

−0.17

Friends

−0.25

−0.43*

−0.27

School

−0.23

−0.03

−0.05

Illness

0.44*

0.32*

0.27