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Table 3 Contingency management (CM) Voucher-based escalating reinforcement schedule

From: Protocol for a randomized controlled trial with a stepped care approach, utilizing PrEP navigation with and without contingency management, for transgender women and sexual minority men with a substance use disorder: Assistance Services Knowledge-PrEP (A.S.K.-PrEP)

Week #

Mon

Wed

Fri

Bonus

Weekly Totals

Total Earned

Week 1

$2.50

$3.00

$3.50

$7.50

$16.50

$16.50

Week 2

$4.00

$4.50

$5.00

$7.50

$21.00

$37.50

Week 3

$5.50

$6.00

$6.50

$7.50

$25.50

$63.00

Week 4

$7.00

$7.50

$8.00

$7.50

$30.00

$93.00

Week 5

$8.50

$9.00

$9.50

$7.50

$34.50

$127.50

Week 6

$10.00

$10.50

$11.00

$7.50

$39.00

$166.50

Week 7

$11.50

$12.00

$12.50

$7.50

$43.50

$210.00

Week 8

$13.00

$13.50

$14.00

$7.50

$48.00

$258.00

Week 9

$14.50

$15.00

$15.50

$7.50

$52.50

$310.50

Week 10

$16.00

$16.50

$17.00

$7.50

$57.00

$367.50

Week 11

$17.50

$18.00

$18.50

$7.50

$61.50

$429.00

Week 12

$19.00

$19.50

$20.00

$7.50

$66.00

$495.00

Maximum CM Payout:

$495.00