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Table 1 Quantitative outcome measures and timeframe for completion

From: Known in the nursing home: development and evaluation of a digital person-centered artistic photo-activity intervention to promote social interaction between residents with dementia, and their formal and informal carers

  T0 During Intervention Period T1 T2
Primary outcomes
 Student observer/ PWD   INTERACT Observation Scale (Session 1 and 8)   
 Independent assessor QUALIDEM   QUALIDEM QUALIDEM
Secondary outcomes
 PWD   SFAS (1st and 4th intervention week)   
 Independent assessor NPI-Q   NPI-Q NPI-Q
 (In)formal carer (experimental/control) TOPICS-MDS
 (In)formal carer (experimental only)    SUS  
 Informal carer only TOPICS-MDS
  1. The QUALIDEM specifically measures quality of life of residents with dementia living in nursing homes, as rated by formal carers. The brief Neuropsychiatric Inventory (NPI-Q) assesses mood and behaviour symptoms of the residents. The Older Persons and Informal Caregivers Survey (TOPICS-MDS) is for collecting background characteristics of residents and their (in)formal carers. The Approaches to Dementia Questionnaire (ADQ) measures person-centered attitude of (in)formal carers who provide the intervention or the control activity. The Interpersonal Reactivity Index (IRI) measures empathy. The Short Sense of Competence Questionnaire (SSCQ) measures feelings of competence of the informal carer in dealing with the PWD. The INTERACT is an observation scale used to rate the behaviour and interactions of the PWD with their (in)formal carer. The Smiley Face Expression Scale (SFAS) is a self-reported mood assessment for the PWD. The System Usability Scale (SUS) measures perceived usability