ADQ	Approaches to Dementia Questionnaire
ANCOVA	Analysis of covariance
DS	Dementia Severity
GDS	Global Deterioration Scale
IBM	International Business Machines Corporation
INTERDEM	Early Detection and timely INTERvention in DEMentia
IRI	Interpersonal Reactivity Index
MMRM	Mixed model for repeated measures
NPI-Q	Neuropsychiatric Inventory Questionnaire
PA	Photo-Activity
Qol	Quality of Life
RCT	Randomized controlled trial
SFAS	Smiley Face Assessment Scale
SPSS	Statistical Package for the Social Sciences
SSCQ	Short Sense of Competence Questionnaire
TOPICS-MDS	The Older Persons and Informal Caregivers Survey Minimum Data Set