Table 2.

Consensus workshop characteristics and participants

Discussion group	No. of participants	Research roles of participants	Research areas represented
Workshop 1
Incentives	10a	Statisticians (n = 5)	Sexual health, alcohol reduction, e-health, learning disabilities, cardiovascular disease
		Trial managers (n = 1)
		Research assistants (n = 1)
		Data managers (n = 1)
		Clinicians (n = 2)
Communication	7	Research scientist/fellow (n = 2)	Aging, e-health, mental health, smoking cessation, cardiovascular disease, primary care
		Clinicians (n = 2)
		PhD students (n = 2)
		Qualitative researchers (n = 1)
New questionnaire formats and other strategies	9	Statisticians (n = 2)	Sexual health, smoking cessation, cardiovascular disease, primary care
		Research assistants (n = 4)
		Research fellows/associates (n = 1)
		Clinicians (n = 2)
Workshop 2
Incentives	19a	Statisticians (n = 3)	Cancer, infectious diseases, statistical trial methodology
		Trial managers (n = 5)
		Trial assistants (n = 2)
		Data managers (n = 5)
		Research scientists/fellows (n = 2)
		Clinicians (n = 2)
Communication, and other strategies	12a	Statisticians (n = 6)	Cancers, infections
		Data managers (n = 5)
		Clinicians (n = 1)
New questionnaire formats	9	Statisticians (n = 4)	Cancers, infections
		Data manager (n = 1)
		Communication specialist (n = 1)
		Research fellow/associates (n = 1)
		Clinicians (n = 2)

^aMore workshop participants expressed an interest in these discussion groups.