| Developed countries | Emerging countries | |||
|---|---|---|---|---|
| No RA (N=156,975) | RA (N=1,694) | No RA (N=41,327) | RA (N=706) | |
| SF-12v2: MCS* | 48.0±10.5 | 45.1±11.9 | 45.6±10.1 | 41.5±9.3 |
| SF-12v2: PCS* | 50.4±9.1 | 38.0±11.0 | 50.8±7.9 | 46.2±7.7 |
| Health utilities (SF-6D) | 0.74±0.13 | 0.63±0.13 | 0.70±0.1 | 0.63±0.1 |
| Absenteeism % | 4.2±15.8 | 8.0±20.7 | 5.7±15.0 | 11.7±16.4 |
| Presenteeism % | 14.9±22.5 | 32.4±28.4 | 21.1±24.4 | 38.2±26.9 |
| Overall work impairment % | 17.4±26.0 | 35.8±31.4 | 24.1±27.1 | 42.9±28.2 |
| Activity impairment % | 22.2±27.4 | 48.8±30.9 | 23.9±25.9 | 40.1±26.2 |
| Healthcare visits | 4.2±6.5 | 8.1±9.2 | 3.3±5.7 | 6.4±8.9 |
| ER visits | 0.2±1.0 | 0.4±1.2 | 0.5±1.6 | 1.2±2.3 |
| Hospitalizations | 0.2±2.2 | 0.3±2.5 | 0.2±1.0 | 0.5±1.4 |
All variables significant at p<0.001; Norm-based.