Naderloo 2018.

Study characteristics
Methods	Design: RCT, 2‐group repeated measures design Duration: 2 months after final session Location: Iran Setting: Masih‐Daneshvari Hospital
Participants	Population: 60 hospitalised patients with COPD block randomised into an intervention group (n = 27) and a control group (n = 27) (6 dropped out) Baseline characteristics COPD severity: mild to very severe Age (mean): intervention 53.07 (SD 10.06) years; control 55.04 (SD 7.8) years % males: intervention 51.9%; control 63% Inclusion criteria: positive diagnosis of COPD by a pulmonologist, aged < 65 years, no comorbid serious health condition, ability to speak and understand Persian, no history of mental disorder or Alzheimer’s disease, and basic literacy skills Exclusion criteria: not reported
Interventions	Treatment arms Intervention: MI and lifestyle‐related educations Control: lifestyle‐related educations Allowed co‐medications: not reported
Outcomes	Primary outcomes: only demographic questionnaire and the APCD questionnaire reported Secondary outcomes: not reported
Notes	Funding: not reported Identifiers: IRCT201604128650N7
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Randomisation carried out using block randomisation method; however, there was no further information provided.
Allocation concealment (selection bias)	Unclear risk	Not reported.
Blinding of participants and personnel (performance bias) all outcomes	High risk	Unblinded trial.
Blinding of outcome assessment (detection bias) all outcomes	High risk	Unblinded trial.
Incomplete outcome data (attrition bias) all outcomes	Low risk	There were similar drop‐outs in each group (10%).
Selective reporting (reporting bias)	Low risk	Trial was registered on website and outcomes were reported as planned.
Other bias	Low risk	None identified.