Outcome measures were collected at baseline (T1), 2 months (T2) and 6 months (T3) post-intervention. Primary outcome measures used to assess self efficacy and health status included, COPD self-efficacy scale (COPD-CSES), self-efficacy for managing shortness of breath (SEMSOB) and St George Respiratory questionnaire-Hong Kong Chinese version SGRQ-HKC), respectively