Table 3.
Notification rates among close contacts and sporadic contacts using configuration #2 with selected weights split by various variables.
| Setting (weights of buckets and time thresholds) | Variable |
Close contacts
% (n) |
p-value
(chi-square) |
Sporadic contacts*
% (n) |
p-value
(chi-square) |
|
|---|---|---|---|---|---|---|
| 2.1 | ||||||
| Scenario | 0.612 | 0.732 | ||||
| Low: | Queue | 77 (13) | 32 (6) | |||
| 2.5 | Public transport | 83 (15) | 37(7) | |||
| Middle: | Operating system | 0.062 | 0.087 | |||
| 1.5 | iOS | 68 (13) | 21 (4) | |||
| Time: | Android | 94 (15) | 47 (9) | |||
| 13/15** min | Location phone | 0.042 | 0.207 | |||
| Hand | 94 (16) | 44 (8) | ||||
| 67 (12) | 25 (5) | |||||
| 2.2 | ||||||
| Scenario | 0.330 | 0.740 | ||||
| Low: | Queue | 77 (13) | 42 (8) | |||
| 2.5 | Public transport | 90 (16) | 37 (7) | |||
| Middle: | Operating system | 0.117 | 0.020 | |||
| 2.0 | iOS | 74 (14) | 21(4) | |||
| Time: | Android | 94 (15) | 58 (11) | |||
| 15 min | Location phone | 0.009 | 0.054 | |||
| Hand | 100 (17) | 56 (10) | ||||
| 67 (12) | 25 (5) | |||||
| 2.3 | ||||||
| Scenario | 0.612 | 0.732 | ||||
| Low: | Queue | 77 (13) | 32 (6) | |||
| 2.0 | Public transport | 83 (15) | 37 (7) | |||
| Middle: | Operating system | 0.062 | 0.087 | |||
| 1.5 | iOS | 68 (13) | 21 (4) | |||
| Time: | Android | 94 (15) | 47 (9) | |||
| 13 min | Location phone | 0.042 | 0.207 | |||
| Hand | 94 (16) | 44 (8) | ||||
| 67 (12) | 25 (5) | |||||
*
Sporadic contacts are those that do not fulfill the criteria of the “close contact”-definition; ≤ 2 m for ≥ 15 min.
**
Time thresholds of 13 and 15 min generated identical results.