Table 2 Health status(SF-12) of subjects (N = 812)
| Scale | Mean ± SD | |
|---|---|---|
| SF-12 | 52.66 ± 14.03 | |
| Physical component score | 52.97 ± 15.61 | |
| PF(Physical functioning) | 63.76 ± 35.17 | |
| RP(Role physical) | 61.44 ± 31.99 | |
| BP(Bodily pain) | 28.14 ± 11.00 | |
| GH(General health) | 57.46 ± 10.52 | |
| Mental component score | 52.35 ± 17.19 | |
| MH(Mental health) | 72.49 ± 24.81 | |
| RF(Role emotional) | 76.83 ± 20.00 | |
| SF(Social functioning) | 18.78 ± 3.18 | |
| VT(Vitality) | 39.99 ± 15.04 |