Effectiveness of Walking Exercise in Improving Depression in Older Adults With Major Depressive Disorder, A Pilot Study

Exclusion Criteria

• •1. Incapable of participating in physical exercise with major confounding conditions which are known to affect mobility;
• •2. Cannot walk without assistive device;
• •3. Regular exercise habit (defined as exercise \> 3 times per week and each time \> 50 minutes)
• •4. Any serious somatic condition that prevents walking exercise participation (such as limb loss)
• •5. History of major diseases e.g. cancer, cardio-/cerebrovascular, neurodegenerative and renal diseases;
• •6. Diagnosis of dementia/Alzheimer's disease, or currently using antidementia medication;