Azad Marzabadi 2014.
| Methods | RCT | |
| Participants | Warfare victims in Iran‐Iraq War, with diagnosis of PTSD and suffering from war‐related psychological disorders. Study was conducted in 2012 at Shahid Rajaee Hospital (Iran) | |
| Interventions | Mindfulness intervention: mindfulness‐based stress reduction training: 14 participants Wait list control: 14 participants |
|
| Outcomes | World Health Organization Quality of Life Questionnaire (26‐item) | |
| Notes | Randomisation procedure and data reporting unclear | |
| Risk of bias | ||
| Bias | Authors' judgement | Support for judgement |
| Random sequence generation (selection bias) | Low risk | The study is defined as randomised. We contacted first trial author, who confirmed that the sample was randomised |
| Allocation concealment (selection bias) | Unclear risk | Quote: "hidden and confidential assignment." No further information provided on how allocation was concealed |
| Blinding of participants and personnel (performance bias) All outcomes | Unclear risk | Quote: "after the intervention [group] and the control group [were] determined, participants had no more information about the research process" |
| Blinding of outcome assessment (detection bias) All outcomes | Unclear risk | No information provided |
| Incomplete outcome data (attrition bias) All outcomes | Low risk | Dropouts were reported (2/16 in the intervention group; 2/16 in the wait list control group) |
| Selective reporting (reporting bias) | Low risk | Outcomes listed in the "Methods" were also reported in the "Results" |
| Therapist qualification | Unclear risk | No information provided on therapist qualification and background |
| Treatment fidelity | Unclear risk | No information on how fidelity to treatment was recorded/checked |
| Therapist/investigator allegiance | Unclear risk | No information provided |
| Other bias | Unclear risk | No information provided |