Table 2.

Cost estimates of PROSPER delivery system

	Low estimate	High estimate	Inclusion criteria
Cost perspective
Total economic costs	$4,343,346	$5,209,135	Total opportunity cost of implementing the PROSPER project to partner universities, the Cooperative Extension System, and local communities (i.e., includes team co-leader, team member and participant costs)—excludes systemic transfer costs
Total financial cost	$2,663,434	$3,529,196	All resources consumed by the PROSPER system (i.e., University, Cooperative Extension and local teams)—excludes team co-leader, team member, and participant opportunity costs
Financial cost of resources consumed by University prevention team (n = 1)	$1,435,959	$1,871,851	All resource consumed by the University Prevention Team, including all prevention personnel salary and wage expenditures as well as all operations costs (including university overhead)—excludes Cooperative Extension and local costs
Cooperative extension system (n = 1)	$1,030,876	$1,343,803	All resources consumed by the Cooperative Extension System, including all extension faculty, prevention coordinator and local team leader salaries as well as direct expenditures by the Cooperative Extension System for operations (e.g., travel, copying, and printing)–excludes university and local community costs
Local prevention team (n = 7)	$81,488	$106,224	All resources consumed by the Local Prevention Teams (per team) including team functioning and direct costs of program implementation (e.g., facilitators, materials, meals), but not program-level capacity building expenditures (i.e., curriculum and training)
Average costs of program delivery
Day of implementation’ family program costs (per family attending) (n = 1,127)	$278	$348	All nonresearch incentives (recruitment, prizes, meals, child care), curriculum, and facilitator costs (training and implementation); (high estimate also includes curriculum and supplies) divided by the number of families graduating from family program
“Day of implementation” school program costs (per student) (n = 8,049)	$9	$27	All curriculum and training costs (high estimate also includes facilitator, incentives, and program supplies) divided by the number of students participating in the school program
Total financial costs (per program) (n = 9,176)	$311	$405	All resources consumed by the PROSPER system (i.e., University, Cooperative Extension and Local teams)—excludes team co-leader, team member, and participant opportunity costs–divided by total youth serve