Table 2 Reliability of the physical functioning, bodily pain, and general health perceptions scales when the entire SF-36 was administered on two occasions (T1 & T2)
From: Performance of health-status scales when used selectively or within multi-scale questionnaire
Scale (n = 62) | Alphaa | Â | Mean (SD) | Â | ||
|---|---|---|---|---|---|---|
| Â | T1 | T2 | ICC (95% CI)b | T1 | T2 | Mean difference (95% CI) |
Physical functioning | 0.88 | 0.88 | 0.92 (0.86–0.95) | 67.3 (23) | 67.4 (23) | 0.1 (-2.4–2.6) |
Bodily pain | 0.86 | 0.89 | 0.86 (0.78–0.92) | 44.7 (21) | 46.7 (23) | 1.9 (-1.0–4.9) |
General health perceptions | 0.79 | 0.72 | 0.83 (0.73–0.89) | 61.0 (20) | 62.0 (17) | 1.0 (-1.8–3.8) |