. Author manuscript; available in PMC: 2017 Dec 6.

Published in final edited form as: Contemp Clin Trials. 2006 May 12;28(1):90–104. doi: 10.1016/j.cct.2006.04.003

Table 1.

Intervention content and frequency of contacts

	Month	Schedule of calls (mailings)	No. of calls (mailings) per month	Content
Exercise adoption intervention	1	Weekly	4	Week 1: Stage-matched manual
	1	Weekly	4	Weeks 2–4: Expert system report, tip sheet
	2	Biweekly	2	Week 5–6: Expert system report
	2	Biweekly	2	Week 7–8: Manual and identified tip sheet
	3	Biweekly	2	Weeks 9–10: Expert system report
	3	Biweekly	2	Weeks 11–12: Manual and identified tip sheet
	4	Monthly	1	Weeks 13–16: Expert system report, manual, and identified tip sheet
	5	Monthly	1	Weeks 17–20: Expert system report, manual, and identified tip sheet
	6	Monthly	1	Weeks 21–24: Expert system report, manual, and identified tip sheet
Maintenance Intervention	7		0	Weeks 25–28: No contact
	8	Bimonthly	1	Weeks 29–32: Expert system report, manual, and identified tip sheet
	9		0	Weeks 33–36: No contact
	10	Bimonthly	1	Weeks 37–40: Expert system report, manual, and identified tip sheet
	11		0	Weeks 41–44: No contact
	12	Bimonthly	1	Weeks 45–48: Expert system report, manual, and identified tip sheet
Total number of calls (mailings)=			14