Table 3

Overview outcome data collection at each point in time

Measures	Time required	Baseline (prior to randomisation)	1/2/4/5 Months follow-up	3/6/9 Months follow-up	12 Months follow-up
Sociodemographic info	5 min	√
Quality of life (QLQ C-30)	10 min	√	√	√	√
Functional status: Instrumental Activities of Daily Living	5 min	√	√	√	√
EQ-5D-5L	5 min	√	√	√	√
G8 screening tool	5 min	√
Healthcare use and costs	10 min	√		√	√
Cancer stage, comorbidities and treatment plan proposed prior the assessment for all participants	Chart and survey to oncologist (2 min)	√
Treatment plan after assessment results for participants allocated to intervention group	Chart and survey to oncologist (2 min		√ (only at 1 month assessment)
Treatment received (including treatment toxicity and treatment completion) for all participants	NA (chart)		√	√	√
Treatment fidelity (adherence to recommendation) for participants in intervention that is collected through standardised forms completed by intervention team	NA (chart)			√ (6 and 9 months only)
Patient satisfaction (1-item) for all participants	1 min			√	√
Healthcare provider satisfaction	10–15 min				√
Total visit duration for older adult		40–50 min	20 min	31 min	31 min
Total visit duration for oncologist		2 min	2 min		10–15 min