Diagnostic criteria for Alzheimer’s disease to be used in the study
| Diagnostic tool | Brief criteria |
| Montreal Cognitive Assessment-Philippines (28) |
Eight domains: visuospatial/executive, naming, memory, attention, language, abstraction, delayed recall, orientation Normal: Score≥21 Included: Score of 10–20 inclusive |
| Clinical Dementia Rating Scale (29) |
Six domains: memory, orientation, judgement and problem solving, community activities, home and hobbies and personal care Scoring: 0, no impairment; 0.5, questionable; 1, mild dementia; 2, moderate; 3, severe dementia Included: Score of 1–2 (mild to moderate dementia) |
| NINCDS-ADRDA criteria (8) | Probable AD: dementia by Mini-Mental State Examination, Blessed Dementia Scale or similar tests plus deficits in two or more areas of cognition plus progressive worsening of memory plus no disturbances of consciousness plus age 40–90 years or >65 and an absence of systemic disorders or brain deficits that could account for progressive cognitive decline. |