Table 5.
Three subgroup analyses with regression coefficients and odds ratios (95% CI) for the difference between the two groups 52 weeks after baseline
| Functional status (RDQ)a | Pain Intensity (NRS)a | Perceived recovery (GPE)b | ||||
|---|---|---|---|---|---|---|
| Fear-avoidance (17–68) | ||||||
| Tampa > 38 (n = 54) | 1.91 | (−1.31; 5.13) | −1.91 | (−3.42; −0.39)* | 2.83 | (0.76; 10.59) |
| Tampa ≤ 38 (n = 60) | −1.53 | (−4.65; 1.60) | −0.02 | (−1.58; 1.54) | 0.93 | (0.23; 3.71) |
| Catastrophising (9–36) | ||||||
| PCI_C > 20 (N = 52) | 1.80 | (−1.49; 5.09) | −0.52 | (−2.13; 1.10) | 2.48 | (0.03; 223.63) |
| PCI_C ≤ 20 (N = 60) | −0.72 | (−3.82; 2.39) | −1.19 | (−2.71; 0.33) | 4.03 | (1.06; 15.29) |
| Self-efficacy (0–60) | ||||||
| SES > 38 (N = 53) | −1.44 | (−4.78; 1.91) | −0.67 | (−2.28; 0.94) | 2.92 | (0.70; 11.82) |
| SES ≤ 38 (N = 61) | 1.52 | (−1.50; 4.54) | −1.05 | (−2.51; 0.41) | 0.81 | (0.20; 3.27) |
RDQ Roland Morris Disability Questionnaire, VAS Visual Analogue Scale, GPE general perceived effect, PCI_C pain coping inventory (scale items catastrophising), SES self-efficacy scale
* P < 0.05
aRegression coefficients
bOdds ratios