Table 2 Types of digital tools for retention evaluated in the studies
Digital tools | Number of studies | % of retention studies (n = 20) | % of all studies (N = 105) |
|---|---|---|---|
14 | 70 | 13 | |
Instant-messaging or text-messaging | 10 | 50 | 10 |
Other computer programme | 3 | 15 | 3 |
Internet site | 2 | 10 | 2 |
Smartphone or tablet App | 2 | 10 | 2 |
Social media | 2 | 10 | 2 |
Smartphone or tablet other use | 1 | 5 | 1 |
Automated telephone call | 0 | 0 | 0 |
Chatbot | 0 | 0 | 0 |
Digital lecture/presentation (e.g. PowerPoint) | 0 | 0 | 0 |
Internet forum | 0 | 0 | 0 |
Video | 0 | 0 | 0 |
Virtual assistant/gadget | 0 | 0 | 0 |