Rick Kwan, PhD

CONTACT

Lead Sponsor

Tung Wah College

Collaborators

Age

60 - No limit years

Sex

ALL

Healthy Volunteers

No

•1\) aged ≥ 60 years, because the WHO defines older people in Asia as those aged 60 or older;
•2\) presence of cognitive frailty, defined as the co-existence of MCI and frailty at either the pre-frail or the frail level;
•3\) physical inactivity, defined as \< 150 min of MVPA every week in the 4 weeks preceding the study, as confirmed by a Rapid Assessment of Physical Activity (RAPA) score of ≤ 4 (i.e., regularly underactive);
•4\) possession of a smartphone on which Samsung Health and WhatsApp can be installed for \> 6 months; and
•5\) being a Cantonese speaker, defined as possessing the ability to communicate in Cantonese.

•1\) impaired mobility caused by conditions that require medication (e.g., severe arthritis) and inability to walk briskly outdoors, as defined by a modified Functional Ambulatory Classification score of \< 7);
•2\) depressive symptomatology, as defined by a Geriatric Depression Scale (GDS) score of ≥ 8;67
•3\) having probable dementia (i.e., a Montreal Cognitive Assessment \[MoCA\] score of \< 20 or Clinical Dementia Rating \[CDR\] score of ≥ 1),
•4\) being physically unfit because of chronic illness, as defined by a Physical Activity Readiness Questionnaire (PAR-Q) score of ≥ 1, and not having been examined by a medical doctor and certified as physically fit to participate in brisk walking;
•5\) not enrolled in any other interventions to promote physical activity or training