| Study characteristics |
| Methods |
RCT, USA |
| Participants |
38 healthcare professionals including physicians, nurses, social workers, physical therapists and psychologists |
| Interventions |
1) Experimental: Mindfulness‐Based Stress Reduction programme: 8 weekly 2‐hour training sessions about employing the techniques involved in sitting meditation, body scan, Hatha yoga, 3‐minute breathing space (a "minimeditation") and a "loving kindness" meditation.
2) Control: no intervention |
| Outcomes |
MBI, Perceived Stress Scale, Brief Symptom Inventory |
| Identification |
|
| Notes |
PSS included in analysis 2.1 |
| Risk of bias |
| Bias |
Authors' judgement |
Support for judgement |
| Random sequence generation (selection bias) |
Unclear risk |
Quote: "Participants were randomly assigned to an 8‐week MBSR group or a wait‐list control group." (p. 167) |
| Allocation concealment (selection bias) |
Unclear risk |
Not reported |
| Blinding of participants and personnel (performance bias)
All outcomes |
High risk |
Participants not blinded. |
| Blinding of outcome assessment (detection bias)
All outcomes |
High risk |
Participants were not blinded whereas outcomes are self‐reported. |
| Incomplete outcome data (attrition bias)
All outcomes |
High risk |
Quote: "Owing to the pilot nature of this study and the small sample size, we did not perform intention‐to‐treat analyses but compared only those participants who did not drop out" (p. 169) |
| Selective reporting (reporting bias) |
Low risk |
All outcomes reported |
| Other bias |
Low risk |
We did not find any indications of other sources of bias |
