Table 3.

Summary of barriers and enablers to the recruitment and retention of general practitioners

	Enablers	Barriers
Recruitment	• Use of existing database • Minor promotion • Letter of invitation • Appealing topic • Time commitment presented as minimal • CPD points	• Errors in database
Retention	• Establishing relationship with GP and clinic staff and providing regular contact • Minimising tasks for participants and providing support • Providing clear instructions for participation • Creating instructions on how to use software to complete specific project tasks	• GP overestimating eligibility • Project time-line changes • Tasks involved with the audit needed to be completed by GP rather than staff • Inability to follow study protocols • Use of non-standardised medical record system • Non-computerised practice • Patients not wanting to participate