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Table 4 Costs for the five respondent groups
| Groups 1-4 postal respondents | ||||||
|---|---|---|---|---|---|---|
| Variable | Total respondents (n = 823) | 1 Initial respondents (n = 406) | 2 First reminder (n = 189) | 3 Second reminder (n = 106) | 4 Third reminder (n = 70) | 5 Telephone respondents (n = 52) |
| Total costs for each respondent group (€) | - | 9 655 | 6 718 | 5 108 | 4 362 | 4 543 |
| Cumulative survey costs (€) | - | 9 655 | 16 372 | 21 479 | 25 841 | 30 385 |
| Percentage of survey costs in each respondent group | - | 31.8 | 22.1 | 16.8 | 14.4 | 15.0 |
| Costs per response for each respondent group (€) | - | 23.8 | 35.5 | 48.2 | 62.3 | 87.4 |
