TABLE 3.
App notifications received and steps taken after by close contacts who are app users (data from the Zurich SARS-CoV-2 Cohort Study: 2020–2021, Switzerland).
| Variable | Close contacts; N = 192a |
|---|---|
| Received a notification by the app | |
| Yes, in the last 7 days probably because of the current contact | 73/192 (38.0%) |
| Yes, more than 7 days ago | 2/192 (1.0%) |
| No notification | 117/192 (60.9%) |
| Notified by the app before the cantonal medical service | 9/73 (12.3%) |
| (Missing) | 2 |
| Steps taken after receiving an app notification | |
| Called SwissCovid infoline | 10/72 (13.9%) |
| Other steps taken | 14/72 (19.4%) |
| No steps taken | 48/72 (66.7%) |
| (Missing) | 3 |
| Other steps taken | |
| Had already taken measureb after being traced by contact tracing | 6/14 (42.9%) |
| Had already taken measuresb following family/friend’s advice | 6/14 (42.9%) |
| Called cantonal medical service | 1/14 (7.1%) |
| Testing | 1/14 (7.1%) |
a
Includes 7 “Converted” cases for whom data as a close contact was available (i.e. converted after enrolment).
b
Includes SARS-CoV-2 testing and quarantine.