Table 4 Disposition of participants and reasons for discontinuation
|  |  | Control, n (%) N = 199 | SHIFT, n (%) N = 183 | Overall, n (%) N = 382 |
|---|---|---|---|---|
At baseline | Consented at baseline | 199 | 183 | 382 |
| Â | Entered trial and provided data | 199 | 183 | 382 |
At 6-months follow-up | Attended and gave data | 147 (73.9%) | 115 (62.8%) | 262 (68.6%) |
At 16-18 months follow-up | Completed trial | 104 (52.3%) | 101 (55.2%) | 205 (53.7%) |
Discontinued | ||||
 Reasons for discontinuation | Participant deceased | 1 (0.5%) | 0 (0.0%) | 1 (0.3%) |
Lost to follow up | 61 (30.7%) | 51 (27.9%) | 112 (29.3%) | |
Investigator decision | 2 (1.0%) | 4 (2.2%) | 6 (1.6%) | |
Left job | 14 (7.0%) | 8 (4.4%) | 22 (5.8%) | |
Long term sickness | 5 (2.5%) | 2 (1.1%) | 7 (1.8%) | |
No longer interested | 3 (1.5%) | 0 (0.0%) | 3 (0.8%) | |
Cluster withdrawal | 13 (6.5%) | 15 (8.2%) | 28 (7.3%) | |
Significant protocol violation | 0 (0.0%) | 1 (0.6%) | 1 (0.3%) | |
Suspended from work | 0 (0.0%) | 1 (0.6%) | 1 (0.3%) | |