Skip to main content
. Author manuscript; available in PMC: 2010 Jun 1.
Published in final edited form as: Drug Alcohol Depend. 2009 Mar 25;102(1-3):108–115. doi: 10.1016/j.drugalcdep.2009.02.005

Table 4.

Average Variable Cost per Participant in each Treatment Arma

Standard Treatment (N = 38) ($) Voucher CM (N = 53) ($) Prize CM (N = 50) ($)
Counseling 137 (108) 166 (102) 200 (114)
Testing 117 (66) 163 (68) 172 (64)
Extra education (ST only) 35 (21) 0 (0) 0 (0)
Incentives
 Activity selection/verification 0 (0) 54 (26) 60 (25)
 Voucher/prize selection 0 (0) 68 (35) 66 (29)
 Shop/process vouchers/prizes 0 (0) 26 (25) 18 (15)
 Vouchers/prizes awarded 0 (0) 314 (287) 307 (264)
Subtotal 0 (0) 462 (359) 451 (312)
Total 289 (187) 792 (500) 823 (455)
a

Values represent means and standard deviations (in parentheses).