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Table 5 Comparison of pain-coping and pain-specific beliefs in children with and without pain in anti-TNF treatment

From: Pain experience in children with juvenile idiopathic arthritis treated with anti-TNF agents compared to non-biologic standard treatment

Anti-TNF agents group

 

Subgroup with pain (n = 28)

Pain-free subgroup (n = 13)

Group differences

 

Mean (S.D.)

Median

Mean (S.D.)

Median

Mann–Whitney U Test

p-values

Effect sizes ( r)

Pain-coping strategies

       

Behavioural distraction

2.94 (0.86)

2.70

3.02 (1.01)

3.40

Z = −0.62

0.54

0.10

Cognitive distraction

3.27 (0.93)

3.30

2.88 (1.03)

3.00

Z = −1.04

0.30

0.16

Positive self statements

2.91 (0.96)

3.10

2.83 (1.19)

2.60

Z = −0.07

0.94

0.01

Catastrophizing

1.99 (0.93)

1.63

1.43 (0.70)

1.20

Z = −2.03

0.04

0.32

Pain-beliefs

       

Control

2.84 (0.57)

2.89

2.83 (0.71)

3.00

Z = −0.12

0.91

0.02

Disability

2.69 (0.84)

2.56

1.96 (0.56)

1.89

Z = −2.68

0.007

0.42

Harm

3.38 (0.74)

3.50

2.81 (0.55)

2.83

Z = −2.55

0.01

0.40