Lessons learned from recruiting socioeconomically disadvantaged smokers into a pilot randomized controlled trial to explore the role of Exercise Assisted Reduction then Stop (EARS) smoking

Table 4 Time associated with recruiting 100 participants through primary care

	Denominator		To recruit 100 (letter only - 5.1% response)		To recruit 100 (letter plus follow-up telephone calls - 8.8% response)
Activity	Number	Time (minutes)	Number	Time (minutes)	Number	Time (minutes)
Database searching	Per practice/location	60	Per practice	60	Per practice	60
Initial screening	To produce 200 eligible	60	1,961	588	1,336	401
Mailing invitations	200	240	1,961	2,353	1,336	1,603
GP screening of responses	1	2	100	200	100	200
Associated researcher time	1	18*	100	1,800	100	7,134
Associated researcher time	1	145**	100	1,800	100	7,134

ISSN: 1745-6215