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 | Â | Â | Â | Â | Â | Â | Â |
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 | Â | Â | Â | Â | Â | Â | Â |
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 |