Table 2.
Respondent demographics, self-reported health risks, and mitigative actions.
| Characteristic | Full sample (n=2403) | Nonusers (n=1222) | App users (n=1152) | App users and received exposure notifications (n=29) | |
| Age (in years), median (IQR) | 49 (35-59) | 49 (35-58) | 49 (36-59) | 40 (29-52) | |
| Gender, n (%) |
|
|
|
|
|
|
|
Female | 1171 (48.7) | 593 (48.5) | 566 (49.1) | 12 (41.4) |
|
|
Male | 1232 (51.3) | 629 (51.5) | 586 (50.9) | 17 (58.6) |
| Personal status, n (%) | |||||
|
|
No partner | 668 (27.8) | 353 (28.9) | 310 (26.9) | 5 (17.2) |
|
|
Living with partner | 1518 (63.2) | 755 (61.8) | 739 (64.1) | 24 (82.8) |
|
|
Not living with partner | 217 (9.0) | 114 (9.3) | 103 (8.9) | 0 (0.0) |
| Family status, n (%) |
|
|
|
|
|
|
|
Has children | 245 (10.2) | 123 (10.1) | 116 (10.1) | 6 (20.7) |
|
|
Does not have children | 2158 (89.8) | 1099 (89.9) | 1036 (89.9) | 23 (79.3) |
| Citizenship, n (%) | |||||
|
|
Swiss | 2173 (90.4) | 1095 (89.6) | 1051 (91.2) | 27 (93.1) |
|
|
Swiss and other | 132 (5.5) | 72 (5.9) | 59 (5.1) | 1 (3.4) |
|
|
Non-Swiss | 98 (4.1) | 55 (4.5) | 42 (3.6) | 1 (3.4) |
| Language region, n (%) | |||||
|
|
German | 1964 (81.7) | 973 (79.6) | 965 (83.8) | 26 (89.7) |
|
|
French | 274 (11.4) | 160 (13.1) | 113 (9.8) | 1 (3.4) |
|
|
Ticino | 165 (6.9) | 89 (7.3) | 74 (6.4) | 2 (6.9) |
| Education, n (%) | |||||
|
|
Only mandatory schooling | 64 (2.7) | 42 (3.4) | 22 (1.9) | 0 (0.0) |
|
|
Completed professional education | 1737 (72.3) | 901 (73.7) | 811 (70.4) | 25 (86.2) |
|
|
University or university of applied sciences | 602 (25.1) | 279 (22.8) | 319 (27.7) | 4 (13.8) |
| Employment status, n (%) |
|
|
|
|
|
|
|
Not working | 721 (30.0) | 370 (30.3) | 344 (29.9) | 7 (24.1) |
|
|
Currently working | 1682 (70.0) | 852 (69.7) | 808 (70.1) | 22 (75.9) |
| Monthly household income (CHFa), n (%) | |||||
|
|
≤6000 | 657 (27.3) | 392 (32.1) | 260 (22.6) | 5 (17.2) |
|
|
6000-10,000 | 783 (32.6) | 391 (32.0) | 381 (33.1) | 11 (37.9) |
|
|
>10,000 | 571 (23.8) | 236 (19.3) | 325 (28.2) | 10 (34.5) |
|
|
No answer | 392 (16.3) | 203 (16.6) | 186 (16.1) | 3 (10.3) |
| Health risks, n (%)b |
|
|
|
|
|
|
|
Smoker | 507 (21.1) | 287 (23.5) | 211 (18.3) | 9 (31.0) |
|
|
Self-reported chronic illnessc | 319 (13.3) | 169 (13.8) | 149 (12.9) | 1 (3.4) |
| Mitigative actions, n (%)b |
|
|
|
|
|
|
|
Always used protective masks when recommended | 2335 (97.2) | 1167 (95.5) | 1140 (99.0) | 28 (96.6) |
|
|
Always stayed at home except for essential tasks | 1561 (65.0) | 738 (60.4) | 804 (69.8) | 19 (65.5) |
|
|
Always kept recommended distance | 2225 (92.6) | 1103 (90.3) | 1097 (95.2) | 25 (86.2) |
|
|
Always refrained from visits | 1583 (65.9) | 743 (60.8) | 824 (71.5) | 16 (55.2) |
| Number of physical contacts, median (IQR) | 3 (1-5) | 3 (2-5) | 3 (1-5) | 3 (2-4) | |
aCHF: Swiss franc; At the time of publication, the exchange rate was approximately US $1=0.92 CHF.
bMore than one or no answer is possible; therefore, percentages in this category do not add to 100%.
cAt least one of the following chronic illnesses: asthma, chronic obstructive pulmonary disease, diabetes, hypertension, cardiovascular disease, stroke, or cancer.