|
Mail†
|
Phone†
|
---|
|
Intention (N = 2248)
|
No intention (N = 3775)
|
Intention (N = 1701)
|
No intention (N = 1695)
|
Total Eligible (N = 9419)
|
P value‡
|
---|
Responders, N (%)
|
914 (40.7%)
|
838 (22.2%)
|
956 (56.4%)
|
930 (54.9%)
|
3638 (38.6%)
|
< 0.0001
|
Among Responders
| | | | | | |
Gender, N (%)
| |
**
|
**
|
**
| |
***
|
F
|
503 (55.0%)
|
390 (46.5%)
|
572 (59.8%)
|
531 (57.2%)
|
4947 (52.5%)
| |
M
|
411 (45.0%)
|
448 (53.5%)
|
384 (40.2%)
|
398 (42.8%)
|
4470 (47.5%)
| |
Age
|
**
|
**
| | | |
***
|
Mean (SD)
|
65.2 (10.2)
|
66.4 (10.8)
|
63.1 (10.0)
|
63.7 (10.3)
|
63.2 (10.4)
| |
Race, N (%)
|
**
|
**
|
**
|
**
| |
*
|
Caucasian
|
874 (95.6%)
|
795 (94.9%)
|
907 (94.9%)
|
889 (95.6%)
|
8677 (92.1%)
| |
Other
|
21 (2.3%)
|
11 (1.3%)
|
31 (3.2%)
|
22 (2.4%)
|
504 (5.4%)
| |
Unknown
|
19 (2.1%)
|
32 (3.8%)
|
18 (1.9%)
|
19 (2.0%)
|
238 (2.5%)
|
- *0.01 ≤ P-value < 0.05.
- **P-value < 0.01.
- ***P-value < 0.001.
-
†P-values (denoted by asterisks) are comparing distributions of responders within each mode to the total eligible (treating “Total” as fixed).
-
‡Overall p-value comparing the distributions of responders between the four conditions.