Attributes and levels.
| Attributes | Levels |
|---|---|
| Consultation length | 5,10,15 minutes |
| Change in total hours worked per week | −5 hours, no change, +5 hours |
| Change in annual personal income | no change, +10%, + 20% |
| Outside commitments (hospital/health board/management/college/BMA) | none, some |
| Out-of-hours work — frequency of on-call night and weekend work | low: no nights or weekends |
| medium: 1 night per week and 1 weekend in six | |
| high: 1 night per week and 1 weekend in 3 | |
| Involvement in practice decisions | none, some, extensive |
| Participation in CPD and training | enough, not enough |
BMA = British Medical Association
CPD = continuing professional development