Reasons for dropping out and not participating at T2
| Intervention | Control | |
|---|---|---|
| Change of job during the intervention period (n) | 19 | 11 |
| Sick leave, maternity leave, holiday, or course attendance (n) | 16 | 15 |
| Did not want to participate in the follow up examination (n) | 16 | 11 |
| Participants who were lost to follow up at T2 (total n) | 51 | 37 |