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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 |
