Table 1.
Response Patterns and Retention of Patients in the LifeCourse Study, (N = 903).
| 0M | 3M | 6M | 9M | 12M | 15M | 18M | 21M | 24M | 27M | 30M | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Died prior to round | 0 | 44 | 90 | 139 | 176 | 209 | 233 | 252 | 271 | 296 | 309 |
| Dropped out prior to roundA | 1 | 56 | 85 | 109 | 140 | 168 | 199 | 232 | 264 | 270 | 293 |
| Participated in roundB | 902 | 803 | 728 | 655 | 587 | 526 | 471 | 419 | 368 | 337 | 301 |
| Unable to reach | 17 | 42 | 39 | 61 | 106 | 136 | 154 | 160 | 181 | 188 | 203 |
| Unable to complete | 8 | 8 | 7 | 8 | 2 | 1 | 1 | 1 | 0 | 1 | 1 |
| Refused | 5 | 15 | 18 | 18 | 17 | 15 | 17 | 11 | 9 | 9 | 6 |
| Returned surveyC | 872 | 738 | 664 | 568 | 462 | 374 | 299 | 247 | 178 | 139 | 91 |
| Survey Return Rate a | 97% | 86% | 82% | 74% | 64% | 54% | 45% | 38% | 28% | 23% | 15% |
| UC Survey Rate | 95% | 90% | 91% | 82% | 65% | 49% | 38% | 34% | 26% | 20% | 10% |
| LC Survey Rate | 87% | 77% | 73% | 66% | 62% | 59% | 52% | 43% | 31% | 26% | 21% |
Abbreviations: LC, LifeCourse; UC, Usual Care.
a The survey return rate is calculated as the percent of patients who returned surveys out of those who were eligible to participate in the round, C/(A + B) × 100.