Table 1 Mean score (SD), Floor (%), and Ceiling (%) for 8 domains of SF-12 (total = 3866)
| Â | Observations | Mean score | SD | Floor (%) | Ceiling (%) | Completion rates |
|---|---|---|---|---|---|---|
PF | 3847 | 50.540 | 9.724 | 4.86 | 66.36 | 99.51 |
RP | 3842 | 47.770 | 9.832 | 2.06 | 33.13 | 99.38 |
BP | 3848 | 47.382 | 12.471 | 4.76 | 49.32 | 99.53 |
GH | 3861 | 49.377 | 12.276 | 4.14 | 24.71 | 99.87 |
VT | 3859 | 54.673 | 10.732 | 2.54 | 24.64 | 99.82 |
SF | 3849 | 46.530 | 10.663 | 3.04 | 40.11 | 99.56 |
RE | 3859 | 45.164 | 9.978 | 0.73 | 30.97 | 99.82 |
MH | 3847 | 50.877 | 10.058 | 0.10 | 15.34 | 99.51 |
PCS | 3781 | 49.415 | 10.939 | 0.03 | 0.03 | 97.80 |
MCS | 3781 | 48.914 | 9.357 | 0.03 | 0.03 | 97.80 |