Table 2.

Purposive sampling frame. Numbers in brackets indicate number recruited in each category

	Oncology		Cardiology
	Doctors	Nurses	Doctors	Nurses
Senior	Consultant (2)	Ward sister/Matron (2)	Consultant (1)	Ward sister/Matron (2)
Intermediate	ST3+ (2)	Staff nurse (2)	ST3+ (2)	Staff nurse (2)
“Junior”	FY1/2 (2)	HCA (1)	FY1/2 (0)	HCA (1)

Notes on UK grades and abbreviations: Consultant: Most senior grade of doctor; equivalent to attending physician. ST: Specialty trainee; a doctor training to become a consultant in a specialty. FY: Foundation Year; a doctor typically 1–2 years post qualification. Sister/Matron: Most senior grades of nurse. Staff nurse: Qualified nurse with degree-level training. HCA: Health Care Assistant; nurse trained through experience; also termed auxiliary nurse and nursing assistant