Table 1 Response rates to receive invitation in main trial between those receiving versus not receiving a primer letter
Response type | ||||
|---|---|---|---|---|
Consentn (%) | Refusaln (%) | No responsen (%) | Total | |
Primer letter | 207 (40%) | 131 (25%) | 181 (35%) | 519 |
Control | 218 (40%) | 112 (21%) | 213 (39%) | 543 |
Total | 425 | 243 | 394 | 1,062 |