Johnson‐Warrington 2016.

Study characteristics
Methods	Design: RCT Follow‐up: 3 months Control group: usual care
Participants	Recruitment: hospital (inpatient) Assessed for eligibility: 464 Randomly assigned: SM: 38; UC: 39 Completed: SM: 35; UC: 36 Mean age: SM: 67.6 (SD 8.5) years; UC: 68.3 (SD 7.7) years Gender (% male): SM: 38.4; UC: 33.3 COPD diagnosis: COPD confirmed with spirometry (FEV1/FVC ratio <0.7) Inclusion of patients in acute phase: yes, during hospitalisation Major inclusion criteria: established diagnosis of COPD and grade 2–5 dyspnoea according to the Medical Research Council Major exclusion criteria: reason for admission was not an acute exacerbation of COPD, unable to safely participate in unsupervised exercise (i.e. due to psychiatric, locomotive, cardiac or neurological impairments), involved in other research, unable to read English, had previously received SPACE (Self‐management Program of Activity Coping and Education) for COPD or completed pulmonary rehabilitation within the previous 6 months, had four or more admissions in the previous 12 months
Interventions	Mode: individual session at the hospital, written educational information Duration: 1 face‐to‐face individual session (30 to 45 min) and 6 phone calls (5 to 20 min each) Professional: physiotherapist Assignment of case managers: yes, accessible to participants during the complete follow‐up period Self‐management components: smoking cessation (optional), self‐recognition of COPD exacerbations, use of a COPD exacerbation action plan, home‐based exercise, COPD medication intake, coping with breathlessness Self‐management topics: diet, correct device use Behavioural change techniques: 11 clusters: goals and planning, feedback and monitoring, social support, shaping knowledge, natural consequences, comparison of behaviour, associations, repetition and substitution, regulation, antecedents, identity
Outcomes	1. Respiratory‐related hospital readmission at 3 months 2. Quality of life (CRQ‐SR) 3. Anxiety and depression (HADS) 4. Bristol COPD Knowledge Questionnaire 5. ISWT 6. ESWT 7. Pulmonary Rehabilitation Adapted Index of Self‐Efficacy 8. Ready for home survey
Notes	Source of funding: SJS and KR were supported by the Collaboration for Leadership in Applied Health Research and Care, East and West Midlands, respectively, and the NIHR Leicester Respiratory Biomedical Research Unit (BRU). Conflict of interest: none declared