Table 4.
Item | Tailored matched-messagecondition | Tailored unmatched-message condition | Control | |||||||
---|---|---|---|---|---|---|---|---|---|---|
Unit price (JPY) | Quantity | Total cost (JPY) | Unit price (JPY) | Quantity | Total cost (JPY) | Unit price (JPY) | Quantity | Total cost (JPY) | ||
Individual assessment | ||||||||||
Questionnaire | 30 | 356 | 10 680 | 30 | 355 | 10 650 | 0 | |||
Envelopes | 42 | 356 | 14 952 | 42 | 355 | 14 910 | 0 | |||
Postage | 175 | 356 | 62 300 | 175 | 355 | 62 125 | 0 | |||
Data entry and analysis | 5 | 356 | 1780 | 5 | 355 | 1775 | 0 | |||
Overhead costsa | 10 000 | 3 | 30 000 | 10 000 | 3 | 30 000 | 10 000 | 12 | 120 000 | |
Reminder | ||||||||||
Envelopes | 26 | 356 | 9256 | 26 | 355 | 9230 | 26 | 1,429 | 37 154 | |
Printing | 43 | 356 | 15 308 | 43 | 355 | 15 265 | 43 | 1,429 | 61 447 | |
Postage | 120 | 356 | 42 720 | 120 | 355 | 42 600 | 120 | 1,429 | 171 480 | |
Total cost | 186 996 | 186 555 | 390 081 | |||||||
Cost per participant | 524 | 523 | 273 | |||||||
Cost per extra CRC | 3740 | 4783 | 2747 |
Individual assessment costs in the control were excluded, because individual assessment would not be needed without tailoring procedure
aBased on administrative staff salary: 10 000 JPY/day