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 |