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Descriptive statistics and internal consistency of scales.
| Scale | Number of items | Cronbach α | Mean (SD) | Positive, n (%) | Neutral, n (%) | Negative, n (%) |
| Fear of COVID-19 (n=238) | 4 | .78 | 3.3 (0.68) | 38 (16.0) | 192 (80.7) | 8 (3.4) |
| Perceived health (n=238) | 3 | .69 | 3.8 (0.68) | 139 (58.4) | 97 (40.8) | 2 (0.8) |
| Intention to use the symptom app (n=223) | 3 | .96 | 3.38 (1.07) | 101 (45.3) | 101 (45.3) | 21 (9.4) |
| Intention to use the tracing app (n=238) | 3 | .96 | 3.27 (1.14) | 98 (41.2) | 108 (45.4) | 32 (13.4) |
