Extent of follow up among female nurses who were free from neck/shoulder pain at baseline
| Follow up time point | Number of nurses still under follow up | Number reporting neck/shoulder pain for the first time | Number censored due to job change | Number lost to follow up |
|---|---|---|---|---|
| 1 | 587 | 81 | 9 | 45 |
| 2 | 452 | 43 | 3 | 47 |
| 3 | 359 | 26 | 7 | 20 |
| 4 | 306 | 18 | 4 | 19 |
| 5 | 265 | 11 | 7 | 10 |
| 6 | 237 | 9 | 4 | 8 |
| 7 | 216 | 10 | 4 | 12 |
| 8 | 190 | 4 | – | 186 |