Table 1.

Keyword combinations for four domains, combined for the database search

Intention (Intention or intend*)	Behaviour near behavio?r*	Health professionals
Thesaurus heading:	Thesaurus headings:	Thesaurus headings:
INTENTION	• BEHAVIOR	• HEALTH PERSONNEL
	• CHOICE BEHAVIOR	• ATTITUDE OF HEALTH PERSONNEL
	• PLANNED BEHAVIOR	• CLINICIANS
• Intend* or intention*	• Behavio?r*	Clinician*
• Inclin* or disinclin*	• Clinician performance*	Counse?lor*
	• (Actor or abstainer) near behavi*r*	Dentist*
		Doctor*
		Family practition*
		General practition*
		GP*/FP*
		Gyn?ecologist*
		H?ematologist*
		Health professional*
		Internist*
		Neurologist*
		Nurse*
		Obstetrician*
		Occupational therapist*
		Optometrist*
		OT*
		P?ediatrician*
		Paramedic*
		Pharmacist*
		Physician*
		Physiotherapist*
		Primary care
		Psychiatrist*
		Psychologist*
		Radiologist*
		Social worker*
		Surgeon*/surgery
		Therapist*

Example thesaurus headings are given for the PsycINFO database and were adjusted and exploded as appropriate for other databases.