Table 2 Concordance rates, between paper diaries and Interactive Voice Response (IVR) diaries, for individual subjects
| Subject Number | Percentage of questions to which responses were consistent between paper diaries and IVR. | Percentage of questions to which responses were inconsistent between paper diaries and IVR. |
|---|---|---|
| 1 | 80.2 | 19.8 |
| 2 | 81.8 | 18.2 |
| 3 | 72.6 | 27.4 |
| 4 | 94.6 | 5.4 |
| 5 | 94.1 | 5.9 |
| 6 | 77.6 | 22.4 |
| 7 | 80.8 | 19.2 |
| 8 | 93.3 | 6.7 |
| 9 | 82.1 | 17.9 |
| 10 | 97.9 | 2.1 |
| 11 | 91.2 | 8.8 |
| 12 | 85.1 | 14.9 |
| 13 | 98.6 | 1.4 |
| 14 | 92.6 | 7.4 |
| 15 | 94.9 | 5.1 |