Table 3.
Numbers of participants with complete data for various time-varying covariates
| Phase | N participating | N not retired | Employment grade recorded | Marital status recorded | Housing tenure recorded | SF36 recorded | Long-standing illness recorded |
|---|---|---|---|---|---|---|---|
| 1 |
10308 |
N/A |
10308 |
10270 |
10226 |
N/A |
7654 |
| 2 |
8132 |
N/A |
8110 |
8124 |
8095 |
N/A |
8129 |
| 3 |
8815 |
N/A |
8312 |
8306 |
8307 |
8292 |
8634 |
| 4 |
8628 |
7021 |
5386 |
7801 |
N/A |
7669 |
8564 |
| 5 |
7870 |
5625 |
3525 |
6921 |
N/A |
6927 |
7250 |
| 6 | 7355 | 4543 | 2595 | 6665 | N/A | 6601 | 7345 |