Table 1.

Examples of classification of activities to cost type

Research	Fixed	Creating study spreadsheet, writing interim report, preparing for meeting, meeting with research team, ethical approval, project website etc.
	Per practice	Writing up practice notes on contacts and current status, writing up practice visit notes, etc.
Service	Fixed	Designing and having advertising materials printed, arranging and attending meeting with practice nursing group.
	Per practice	Phone calls and emails to practices, personalising letters to be sent to practices, delivering leaflets to practices, visits to practices to explain recruitment, maintaining record of practice status.