Clinical Research Directory

Inclusion Criteria: 1. Chinese adults aged 65 to 75 years, 2. able to communicate and understand Cantonese (class will be held in Cantonese), 3. OAs with or without emigrant children, 4. feeling of loneliness (3-item UCLA ≥6) \[25\], and 5. living in public housing, reliant on pension, savings, or living in subvented housing. Exclusion Criteria: 1. Acute or severe physical symptoms such as impaired mobility, COPD or respiratory failure, uncontrolled epilepsy, and severe chronic pain syndrome, 2. Abbreviated Mental Test (AMT)\< 6 \[26\], 3. met DSM-V TR criteria for treated or untreated major depressive disorder, bipolar disorder, cyclothymic disorder and/or on regular medication treatment, 4. have significant suicidal risk, and 5. previous experience in instructor-led mindfulness training within the half year prior to the commencement of the study.