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Table 1 Financial incentives per study arm

From: Trial to Incentivise Adherence for Diabetes (TRIAD): study protocol for a randomised controlled trial

Study arm Contingent incentives Non-contingent payment Assessment incentives Total payments
Control None Yes (SGD75 paid at month 6) SGD15 at each study assessment (baseline, month 3 and month 6) Non-contingent payment: SGD75
Assessment payments: SGD45
Total: SGD120
Process SGD3.50 weekly: for measuring blood glucose on 3 non-consecutive days/week
SGD0.50 daily: for taking medication daily as prescribed
SGD1 daily: for regular physical activity (8000 steps/day)
None SGD15 at each study assessment (baseline, month 3 and month 6) Maximum incentive payments: SGD336
Assessment payments: SGD45
Total: SGD45 to SGD381
Outcome SGD2 weekly for 1 glucose reading per week being in normal range (between 4 to 7 mmol/L)
SGD7 weekly for 2 glucose readings per week being in normal range (between 4 to 7 mmol/L)
SGD14 weekly for 3 glucose readings per week being in normal range (between 4 to 7 mmol/L)
None SGD15 at each study assessment (baseline, month 3 and month 6) Maximum incentive payments: SGD336
Assessment payments: SGD45
Total: SGD45 to SGD381
  1. SGD 1 = 0.56 GBP and USD 0.72 on 6 June 2017