Patient Work System Component	Definition
Person(s)	Individuals who voluntarily perform or assist person(s) with dementia in health- or disease- related activities, including the person(s) with dementia, and the person(s) attributes. Attributes include, but not limited to: individual knowledge, motivation, mental and/or functional ability, attitude, personality, and demographic factors.
Task(s)	Illness-related (i.e., taking medications or symptom monitoring), personal health-related (bathing, grocery shopping), management (household cleaning, driving to appointments), and secondary care (care for co-morbidities not associated with dementia) tasks that are done when caring for the person(s) with dementia and the properties associated with tasks. Properties include but are not limited to: difficulty, timing, and complexity.
Tool(s)	Hardware and/or software used for health-related performance (complete a task), education, or engagement and the tools or technologies properties. Tools or technologies include, but are not limited to: record-keeping systems, communication technologies, organization equipment. Tools or technologies properties include accessibility, availability, usability, effectiveness.
Organizational Context	Structures and paid resources that organize time, space, resources, and activity inpatient’s homes and communities and the properties of these structures. Structural properties include in- and out-of-home social network arrangement, rules and roles, routines, workload, access to resources, and financial, communication, legal and policy factors.
Physical Context	Weather, environment, and care area factors such as: distance, layout, and workspaces. These factors describe care in various locations such as households, community locations, long term care facilities, and dedicated ad-hoc areas for performing health-related tasks.
Social Context	The social influence, social support, social engagement, cultural influence, socialization, and interpersonal influence that impacts care processes.