“…Another important issue to consider is that the study sample was selected from lists of NHS employees and, therefore, excludes those working exclusively through nursing agencies, those no longer working as nurses, and those in the private and independent sector. This group is important to consider, as recent evidence shows that enrolled nurses are more likely to move to the private or independent sector, particularly to work in nursing homes (Institute of Employment Studies 1997, Mahoney 1997, Norman 1997). It has been suggested that this is because NHS employers are more likely to consider Rule 18 (2) (UKCC 1983) as a bar to employing enrolled nurses (Norman 1997).…”