Table 3 Changes in health-related factors. Within-group changes after ten weeks and nine months compared with baseline.
| Baseline | p 1 | 10-week follow-up | 9-month follow-up | p 2 | p 3 | |
|---|---|---|---|---|---|---|
| General health | ||||||
| 1: Severity of symptoms (0–10) * | ||||||
|
Self-efficacy group Ergonomic group |
6 (3–9) 5 (0–8) | 0.083 |
5 (3–7) 4 (1–10) |
5 (1–10) 5 (2–10) |
0.023
0.819 |
0.113 0.924 |
| 2: State of health (1–5) | ||||||
|
Self-efficacy group Ergonomic group |
3 (2–4) 4 (2–5) | 0.224 |
3 (2–5) 4 (1–5) |
4 (2–5) 4 (2–5) |
0.265 0.793 |
0.097 0.782 |
| 3: Mental strain (1–5) * | ||||||
|
Self-efficacy group Ergonomic group |
3 (1–5) 3 (1–5) | 0.455 |
3 (1–4) 3 (1–5) |
2 (1–4) 2 (1–4) |
0.776 0.297 |
0.070 0.169 |
| Coping in relation to pain | ||||||
| 1: Positive distraction (0–6) | ||||||
|
Self-efficacy group Ergonomic group |
3.5 (1.5–5.5) 2.5 (0–4.5) | 0.082 |
3 (0–5) 3 (1.5–5) |
3 (0–6) 3.5 (2.5–4.5) |
0.681 0.059 |
0.134 0.002 |
| 2: Catastrophic thinking (0–6) * | ||||||
|
Self-efficacy group Ergonomic group |
3 (1–6) 2 (0–4.5) | 0.051 |
2.5 (1–6) 2.5 (0–4.5) |
3 (0.5–4.5) 2 (0–4.5) |
0.482 0.352 |
0.237 0.784 |
| 3: Ignoring pain (0–6) | ||||||
|
Self-efficacy group Ergonomic group |
3 (0–5) 3.5 (1–5) | 0.087 |
3.5 (1.5–6) 3.5 (1.5–5.5) |
3.5 (1–4.5) 4.2 (1.5–5.5) |
0.052 0.310 |
1.000 0.048 |
| Self-efficacy in relation to pain | ||||||
| 1: Control pain (0–6) | ||||||
|
Self-efficacy group Ergonomic group |
4 (0–5) 3 (2–6) | 0.947 |
4 (2–5) 4 (3–6) |
3.5 (0–5) 4 (2–6) |
0.577 0.040 |
0.366 0.071 |
| 2: Reduce pain (0–6) | ||||||
|
Self-efficacy group Ergonomic group |
3 (1–5) 3 (2–6) | 0.422 |
4 (2–6) 4 (3–5) |
3 (1–6) 4 (2–6) |
0.054 0.130 |
0.913 0.580 |