Inclusion and exclusion criteria
| Selection criteria | Inclusion criteria | Exclusion criteria |
| Participants | Older adults aged 60 or older, without regard to gender, race or ethnicity | If the study population included adults of all ages, including greater than 60 years of age, but evidence could not be extracted from those greater than 60 years of age, the study was excluded |
| Study setting | All study settings were included | |
| Study design | All study designs were included | |
| Methods and tools | Studies published that employed co-design approaches in the development of electronic healthcare tools | Studies that used non-electronic healthcare tools |
| Language | Studies in which publications are not in the English language were excluded |