Variables | Measures (data types) | Source of data collection | S | Month | ||||
---|---|---|---|---|---|---|---|---|
 | 0 | 3 | 6 | 12 | 18 | |||
Cognitive outcomes | ||||||||
 Executive function | EXAMINER (continuous) | Computer-based and paper based test |  | x | x | x | x | x |
 Episodic verbal memory | RAVLT (continuous) | Pencil-paper-based test | x |  | x | x | x | x |
 Episodic visual memory | BVMT-R (continuous) | Pencil-paper-based test |  | x | x | x | x | x |
 AD conversion-clinical | Consensus diagnosis using 2011 criteria for probable AD (categorical) | All data collected |  |  |  | x | x | x |
 MCI reversion | ADNI criteria (categorical) | All data collected |  |  |  | x | x | x |
MRI mechanistic outcomes | ||||||||
 Cortical thickness | Structural MRI (continuous) | Device measured | x |  |  | x | x | x |
 Functional connectivity in DMN: resting state | fMRI (continuous) | Device measured | x |  |  | x | x | x |
Aerobic fitness outcomes | ||||||||
 Aerobic fitness | Symptom-limited peak cycle-ergometer test (continuous) | Performance-based test | x |  | x | x | x | x |
 Aerobic fitness | 10-m ISWT (continuous) | Performance-based test |  | x | x | x | x | x |
Other variables | ||||||||
 Implementation consistency | Consistency checklist (continuous) | REDCap report | Monthly | |||||
 Global cognition | MoCA (continuous) | Pencil-paper-based test | x |  | x | x | x | x |
 Daily functioning and mood | ADL-PI, WHODAS (all continuous) | Self-report, paper form | x |  | x | x | x | x |
 Depression | GDS (continuous) | Self-report, paper form | x | x | x | x | x | x |
 Medical changes | Medical diagnoses, falls, medications, and health service use (all categorical) | Self-report, paper form | Monthly | |||||
 Demographics | Age, education (both continuous), gender, race (both discrete) | Self-report, paper form | x |  |  |  |  |  |
 Premorbid intellect | WTAR (continuous) | Pencil-paper-based test | x |  |  |  |  |  |
 Non-study physical and mental activities | Wearable activity monitor, PASE questionnaire, MLA monthly (continuous) | Wrist device; pencil-paper-based questionnaire | Monthly | |||||
 Adherence | Percent (continuous) | Paper form | Monthly |