Table 1.
Numbers of completed surveys by group and mode
| Groups 1–6 | N | Web | Paper | IVRS | Total surveys |
|---|---|---|---|---|---|
| 1. (P, I, W) | 14 | 11 | 13 | 11 | 35 |
| 2. (P, W, I) | 13 | 11 | 13 | 12 | 36 |
| 3. (I, P, W) | 15 | 14 | 14 | 14 | 42 |
| 4. (I, W, P) | 11 | 11 | 11 | 9 | 31 |
| 5. (W, P, I) | 15 | 12 | 14 | 13 | 39 |
| 6. (W, I, P) | 13 | 11 | 11 | 11 | 33 |
| Total | 81 | 70 | 76 | 70 | 216 |
| Groups 7–8 | N | Survey 1 | Survey 2 | Total surveys |
|---|---|---|---|---|
| 7. (I, I) | 37 | 37 | 29 | 66 |
| 8. (W, W) | 39 | 39 | 33 | 72 |
| Total | 76 | 76 | 62 | 138 |
N number of participants who completed at least one survey, P paper, I interactive voice response system (IVRS), W Web