Table 2.
FISA&DM | FIS | Promotion of the survey | Multiple letters | Control | |
---|---|---|---|---|---|
N |
60 |
67 |
68 |
64 |
66 |
Mean consent rate (%) (95%CI) |
47 (41 to 53) |
54 (49 to 59) |
58 (54 to 62) |
63 (58 to 69) |
57 (52 to 62) |
Standard deviation | (22) | (20) | (17) | (21) | (20) |