Table 2 Central tendency, variability and reliability of the SF-36 subscales
From: Predictors of health-related quality of life in type II diabetic patients in Greece
| Â | No. of Items | % N Valid | Mean (SD) | 95% CI | Median | Floor (%) | Ceiling (%) | Reliability1 |
|---|---|---|---|---|---|---|---|---|
Scales | Â | Â | Â | Â | Â | Â | Â | Â |
Physical functioning | 10 | 99.6 | 64.5 (29.5) | 60.7–68.4 | 75.0 | 0.4 | 9.2 | 0.94 |
Role physical | 4 | 99.6 | 62.0 (45.8) | 56.0–67.9 | 100.0 | 30.7 | 55.7 | 0.96 |
Bodily pain | 2 | 99.6 | 73.0 (30.5) | 69.0–76.9 | 84.0 | 2.6 | 46.1 | 0.92 |
General health | 5 | 99.1 | 48.9 (23.0) | 45.9–51.9 | 47.0 | 1.8 | 0.4 | 0.76 |
Vitality | 4 | 99.6 | 56.9 (27.4) | 53.0–60.2 | 60.0 | 2.6 | 4.4 | 0.88 |
Social functioning | 2 | 98.7 | 74.8 (29.7) | 70.9–78.7 | 87.5 | 2.2 | 44.2 | 0.84 |
Role emotional | 3 | 99.6 | 63.6 (45.0) | 57.7–69.5 | 100.0 | 29.8 | 56.6 | 0.93 |
Mental health | 5 | 98.7 | 60.1 (26.3) | 56.7–63.5 | 64.0 | 0.9 | 1.3 | 0.85 |