Table 2.
Reasons for nonuse of the COVID-19 contact tracing app Coronalert in Belgium.
| Reasons for nonuse of the app | Not installed (n=991), n (%) |
Installed, but not activated (n=144), n (%) |
Uninstalled (n=64), n (%) |
| I don’t have a smartphone | 183 (18.5) | N/Aa | N/A |
| I have an older smartphone | 93 (9.4) | N/A | N/A |
| I experienced a technical problem | 46 (4.6) | 17 (11.8) | 6 (9.4) |
| I run little risk of contracting the coronavirus | 138 (13.9) | 12 (8.3) | 6 (9.4) |
| I am afraid that my smartphone battery will drain fast | 96 (9.7) | 17 (11.8) | 12 (18.8)b |
| For me, the app is too difficult to install | 63 (6.4) | 27 (18.8)c | 16 (25.0)c |
| I find too few advantages in using the app | 308 (31.1) | 16 (11.1) | 24 (37.5) |
| I am worried about how the government will use the obtained data | 189 (19.1) | 50 (34.7) | 11 (17.2) |
| I am afraid that my privacy is not guaranteed when I use the app | 290 (29.3) | 34 (23.6) | 5 (7.8) |
| I worry that the government will be able to follow my movements | 80 (8.1) | 11 (7.6) | 0 (0) |
| I do not trust the app | 176 (17.8) | 6 (4.2) | 6 (9.4) |
| Using the app would cause me stress | 208 (21.0) | 17 (11.8) | 10 (15.6)d |
| I see only few advantages in using the app due to the current measures that make fewer activities outside of home possible | 93 (9.4) | 27 (18.8) | 6 (9.4) |
aN/A: not applicable; these questions were not submitted to respondents without a smartphone or those with an older smartphone.
bThe item was adapted to fit the context of stopping the use of Coronalert: “I have the impression that my battery drains more rapidly.”
cThe item was rephrased as “For me, the app is too difficult to use.”
dThe item was rephrased as “Using the app stresses me.”