| Methods |
Controlled before and after study, 6‐month follow up |
| Participants |
Hospital, Finland, midwives |
| Interventions |
Self‐scheduling of hours |
| Outcomes |
Mental health: mental stress, tiredness, mental strain (Standard Shiftwork Index, Barton 1992 and Occupational Stress Questionnaire, Elo 1992) |
| Type of flexibility |
Worker‐orientated, intervention designed to reduce worker fatigue |
| Notes |
Multiple interventions implemented: self‐scheduling alongside a change from slow to fast rotation and from backward to forward rotation |
| Risk of bias |
| Bias |
Authors' judgement |
Support for judgement |
| Representative sample |
Low risk |
|
| Appropriate control |
High risk |
|
| Adequate baseline response |
Low risk |
|
| Adequate follow‐up response |
High risk |
|
| Adjustment for non‐response |
High risk |
|
| Conclusions substantiated |
Low risk |
|
| Adequate adjustment for confounders |
High risk |
|
| Protection against contamination |
Low risk |
|
| Appropriate statistics |
Low risk |
|
