A digitally supported home-based exercise training program and dietary protein intervention for community dwelling older adults: protocol of the cluster randomised controlled VITAMIN trial

Table 3 Summary of outcome measures during study visits

	Screening V1	Baseline (T0) V2	6 months (T6) V3	12 months (T12) V4
Physical performance measurements
Modified Physical Performance Test (M-PPT) [28]		X	X	X
6 Minute Walk Test (6MWT) [33]		X	X	X
Timed Up and Go Test (TUG) [34]		X	X	X
Short Physical Performance Battery (SPPB) [36]		X	X	X
Accelerometry with activity diary		X	X	X
Hand Grip Strength (HGS) [37]		X	X	X
Cognitive performance measurements
Trail Making, Stroop Color Word test, Letter Fluency [38]		X	X	X
Questionnaires
Physical Activity Readiness Questionnaire (PAR-Q) [21]	X
Mini-Mental State Examination (MMSE) [22]	X
3 day food record [39]		X	X	X
RAND-36 item Health Survey (SF-36) [40]		X	X	X
Geriatric Depression Scale (GDS) [41]		X	X	X
Behavioural Regulation In Exercise Questionnaire (BREQ-2) [42]		X	X	X
Body Composition
Dual-energy X-ray absorptiometry (DXA) [45, 47]		X	X	X
Air displacement plethysmography (ADP) BodPod [44]		X	X	X
Bioelectrical impedance analysis (BIA) [48]		X	X	X
Mid upper arm muscle circumference (MUAMC) [51, 52]		X	X	X
Height / Weight / BMI [51]		X
Explorative outcome measures
Medical and demographical data	X	X	X	X
Tablet usage and satisfaction		X	X	X
Compliance			X	X
Sustainability				X

Note: T0 = post-randomisation baseline visit (V2), T1 = 6 months outcome visit (V3), T2 = 12 month follow-up visit (V4). BMI Body Mass Index
X: data will be obtained

ISSN: 1471-2318