Categories of previous registered sickness absence 2001–2007
| Category | Sickness absence during 2001–2004 | Sickness absence during 2005–2007 |
|---|---|---|
| Reference | No sickness absence | No sickness absence |
| Stable low | Sickness absence below median split | Sickness absence below median split |
| Distant high | Sickness absence above median split | Sickness absence below median split |
| Recent high | Sickness absence below median split | Sickness absence above median split |
| Stable high | Sickness absence above median split | Sickness absence above median split |