Table 1 Search Strategies for DDE System Overview: PICo Element and Corresponding Search Strings.

Participants (P)

ALL = (“Digital equity” OR “Digital divide” OR “Digital accessibility” OR “Digital inclusion” OR “e-inclusion” OR “einclusion” OR “Online Accessibility” OR “Web Accessibility” OR “Digital Transformation” OR “Technology Adoption” OR “Technology Acceptance” OR “Digital Literacy” OR “Internet Literacy” OR “Digital Inequality” OR “Digital Inequalities” OR “Digital Exclusion” OR “digital Marginalization” OR “Digital Ageism” OR “digital gap” OR “Adoption Barriers” OR “Aging” OR “Disabilities” OR “Disability” OR “people with disabilities” OR “marginalized user” OR “Elderly” OR “Older adult” OR “Active aging” OR “Handicapped Persons” OR “Intellectual Disability” OR “Visual Impairment”)

Phenomena of Interest (I)

AND ALL = (“Equity-centered design” OR “inclusive design” OR “Barrier-free design” OR “accessible design” OR “Universal design” OR “Design for All” OR “design for digital” OR “Equitable Service Design” OR “Participatory Design” OR “Co-design” OR “Design thinking” OR “Design approach” OR “Design method” OR “user experience design” OR “user-centered design”)

Context (Co)

AND ALL= (“ICT” OR “Information And Communication Technology” OR “Information Technology” OR “Digital technology” OR “Digitalization” OR “Extended Reality” OR “Augmented Reality” OR “Virtual reality” OR “Mixed Reality” OR “internet” OR “Smartphone” OR “tablet” OR “Internet Of Things” OR “Artificial Intelligence” OR “Social Media” OR “Telemedicine” OR “Digital Devices” OR “Digital Health” OR “Human Computer Interaction” OR “Mobile Application” OR “Telehealth” OR “MHealth” OR “Smart City” OR “assistive technology”)