Table 2.

Flowchart of measures used during the assessments

	Pre-test	Intervention period			Post-tests
	T = 0	FB1	FB2	FB3	T = 1	T = 2	T = 3
Primary outcome measures RCT
- Sense of competence: SSCQ	X				X	X	X
- Perceived control: PMS	X				X	X	X
Secondary outcome measures RCT
- Depressive symptoms: CES-D	X				X	X	X
- Perceived stress: PSS	X				X	X	X
- Anxiety symptoms: HADS-A	X				X	X	X
ESM outcome measures RCT
- Momentary positive affect	X				X
- Momentary negative affect	X				X
Additional measures RCT
- Demographic variables	X
- Neuropsychiatric symptoms in PwD: NPI-Q	X				X	X	X
- Quality of the relationship: 4 items of the University of Southern California Longitudinal Study of Three-Generation Families measures of positive affect	X				X	X	X
- Coping: UCL	X				X	X	X
- Personality: subscale neuroticism of NEO-FFI	X				X	X	X
Outcome measures process evaluation
- Subjective experiences with intervention: quantitative questionnaire & qualitative semi-structured interview				X
- Subjective experiences with the use of the ESM device: quantitative questionnaire					X
- Subjective experiences with ESM procedure: quantitative questionnaire		X	X	X	X
Outcome measures economic evaluation
- Resource use: RUD-lite	X				X	X	X
- Quality of life: EQ-5D	X				X	X	X

RCT randomized controlled trial, SSCQ Short Sense of Competence Questionnaire, PMS Pearlin Mastery Scale, CES-D Center for Epidemiological Studies Depression Scale, PSS Perceived Stress Scale, HADS-A Hospital Anxiety and Depression Scale, Anxiety subscale, PwD person with dementia, NPI-Q Neuropsychiatric Inventory Questionnaire, UCL Utrechtse Coping List, NEO-FFI NEO Five-Factor Inventory, ESM Experience Sampling Methodology, RUD-lite Resource Utilization in Dementia – shortened version, EQ-5D EuroQoL-5D