Table 3.

Cost by intervention arm at 6 and 12 months for Project STRIDE, 2000–2004 in Providence, Rhode Island, United States.

	6-month costs			12-month costs
	Phone (n=80)	Print (n=81)	Contact Control (n=78)	Phone (n=80)	Print (n=81)	Contact Control (n=78)
Phone interventionist
Counseling	5,728	0	0	7,098	0	0
General office activities	6,880	0	0	13,760	0	0
Expert system coordinator
Generation of expert system reports	1,431	3,102	0	2,263	4,529	0
General office activities	0	4,189	0	0	8,378	0
Wellness group
Generation of wellness mailings	0	0	1,005	0	0	1,259
Supervision of Phone Interventionist Recruitment	570	0	0	1,140	0	0
Personnel costs	2,106	2,106	2,106	2,106	2,106	2,106
Advertisement costs	4,759	4,759	4,759	4,759	4,759	4,759
Expert System
software	702	702	0	1,404	1,404	0
hardware	1,360	1,360	0	2,720	2,720	0
system maintenance and supplies	466	466	0	932	932	0
Printing and postage	561	1,170	503	848	1,662	623
Telephone costs	295	0	0	354	0	0
Facilities	18,997	6,333	1,267	37,994	12,665	2,533
Total intervention cost	43,855	24,187	9,640	75,378	39,155	11,280
Average monthly cost per participant (rounded to nearest dollar)	$91	$50	$21	$79	$40	$12
Average incremental cost relative to contact control	$70	$29	--	$67	$28	--