Table 2 Baseline predictors of persisting pain in children with juvenile arthritis

Age at onset (years)

1.07 (0.98—1.18)

0.14

Sex (female vs male)

1.85 (0.77—4.98)

0.19

4.14 (1.33—16.83)

0.03*

JIA Category

Oligoarthritis

reference

0.09

Enthesitis-Related Arthritis

3.54 (2.03—6.34)

Systemic

4.23 (2.13—8.42)

Psoriatic

2.96 (1.71—5.09)

RF -ve Polyarthritis

1.58 (0.63—3.64)

RF +ve Polyarthritis

10.88 (5.54—21.90)

Undifferentiated

8.26 (4.67—15.12)

Enthesitis Count (each additional site)

1.30 (1.12—1.56)

0.002*

1.40 (1.19—1.76)

0.0005*

Active Joint Count (each additional joint)

1.03 (1.00—1.07)

0.08

CHAQ score

1.22 (0.66—2.21)

0.52

QoML score

0.85 (0.72—0.99)

0.03*

0.82 (0.69—0.98)^a

0.02*

Patient/Parent global assessment score

1.25 (1.06—1.48)

0.01*

1.07 (0.88—1.31)

0.49

JAQQ total score

1.08 (0.75—1.54)

0.69

JAQQ psychosocial score

1.08 (0.81—1.43)

0.58

JAQQ ‘depression’ item

1.17 (0.91—1.50)

0.21

JAQQ ‘sad’ item

1.00 (0.87—1.00)

0.85