Jarab 2012.

Methods	Randomised trial
Participants	133 Chronic Obstructive Pulmonary Disease (COPD) patients (intervention 66; control 67) 1 hospital outpatient clinic, Royal Medical Services Hospital Jordan Year of study: January 2011 to July 2011.
Interventions	Patients were educated about COPD and management of symptoms. They were assessed for medication use, given an educational booklet with simple exercises. Motivational interviewing was used to improve adherence to prescribed treatment. This intervention was given once and assessed over 6 months.
Outcomes	Forced Expiratory Volume (FEV1) at 6 months Hospital admissions for acute exacerbation during 6 months follow‐up
Notes	Funding source: Alzaytoonah University of Jordan Conflict of interest: None reported
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Low risk	Study participants were randomly assigned to intervention and control groups by a minimisation technique using statistical software.
Allocation concealment (selection bias)	Unclear risk	Unclear
Blinding of participants and personnel (performance bias) All Outcomes/Outcome 1	Unclear risk	Not stated
Blinding of outcome assessment (detection bias) All Outcomes/Outcome 1	High risk	Unblinded assessment of most outcomes
Incomplete outcome data (attrition bias) All outcomes	Low risk	Between group attrition < 10%. Overall competion rate >80%
Selective reporting (reporting bias)	Low risk	All outcomes reported
Other bias	Low risk	None identified