Table 1 Reliability of the physical functioning, bodily pain, and general health perceptions scales when administered independently on one occasion (A) and within the entire SF-36 on a second occasion (B)
From: Performance of health-status scales when used selectively or within multi-scale questionnaire
Scale (n = 80) | Alphaa | Â | Mean (SD) | Â | ||
|---|---|---|---|---|---|---|
| Â | A | B | ICC (95% CI)b | A | B | Mean difference (95% CI) |
Physical functioning | 0.89 | 0.88 | 0.93 (0.90–0.96) | 64.3 (24) | 64.8 (24) | 0.4 (-1.5–2.4) |
Bodily pain | 0.87 | 0.81 | 0.78 (0.68–0.86) | 36.8 (18) | 39.4 (20) | 2.5 (-.0.3–5.4) |
General health perceptions | 0.86 | 0.85 | 0.87 (0.80–0.91) | 58.6 (23) | 59.1 (23) | 0.5 (-2.2–3.2) |