Table 2 Data collected from participants over time (S: Screening)

 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

 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

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

 Implementation consistency

Consistency checklist (continuous)

REDCap report

 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

 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

 Adherence

Percent (continuous)

Paper form