Table 4.

Services evaluated at different trials

Trial	Services evaluated
first trial	Agenda Service (S13), Appointment Reminder (S15), and Object Location Assistance & Reminder (S16)
second trial	Medication Service & Reminders (S04), Wake-up Calls (S05), Periodic Advice (S06), Fall Detection & Alerting (S07), Call for Help & Alerting (S10), Agenda Service (S13), Event/Group activities (S14), Appointment Reminder (S15), Object Location Assistance & Reminder (S16), Notifications (S17)
third trial	Contact Assistance (S01), Messaging (S02), Fall Detection & Alerting (S07), Dangerous Objects Adviser (S08), Dangerous Situations Adviser (S09), Call for Help & Alerting (S10), Physical Activity Service (S20)