| Value | Category | Cases | |
|---|---|---|---|
| 1 | participant | 23035 |
70.9%
|
| 2 | not found | 7553 |
23.2%
|
| 3 | dead before survey date | 0 |
0%
|
| 4 | refused | 1903 |
5.9%
|
| 5 | ineligible | 0 |
0%
|