Table 1.
Description of the cohorts in Sweden and Denmark. These descriptions represent the first test for each employee.
| Characteristic | All Participants, N (%) | Sweden, N (%) | Denmark, N (%) | p | |
|---|---|---|---|---|---|
| N | 3272 | 1248 | 2024 | ||
| Sex | <0.001 | ||||
| Men | 1939 (59.3) | 411 (32.9) | 1528 (75.5) | ||
| Women | 1333 (40.7) | 837 (67.1) | 496 (24.5) | ||
| Age | <0.001 | ||||
| <40 | 916 (28.0) | 374 (30.0) | 542 (26.8) | ||
| 40–60 | 1732 (52.9) | 687 (55.0) | 1045 (51.6) | ||
| 60+ | 624 (19.1) | 187 (15.0) | 437 (21.6) | ||
| Employment | <0.001 | ||||
| Ambulance staff | 997 (30.5) | 363 (29.1) | 634 (31.3) | ||
| Firefighter | 553 (16.9) | 27 (2.2) | 526 (26.0) | ||
| Healthcare staff | 692 (21.1) | 567 (45.4) | 125 (6.2) | ||
| Office staff | 717 (21.9) | 267 (21.4) | 450 (22.2) | ||
| Roadside assistance/field staff | 313 (9.6) | 24 (1.9) | 289 (14.3) | ||
| Customer or patient contacts/day | <0.001 | ||||
| 0 | 1043 (32.0) | 254 (20.5) | 789 (39.0) | ||
| 1–5 | 1066 (32.7) | 476 (38.4) | 590 (29.2) | ||
| 6–10 | 707 (21.7) | 258 (20.8) | 449 (22.2) | ||
| 11–20 | 263 (8.1) | 125 (10.1) | 138 (6.8) | ||
| 20+ | 185 (5.7) | 127 (10.2) | 58 (2.9) | ||
| Hospital region | <0.001 | ||||
| Norra sjukvårdsregionen | 113 (3.5) | 113 (9.1) | |||
| Uppsala-Örebro sjukvårdsregion | 207 (6.3) | 207 (16.6) | |||
| Stockholms sjukvårdsregion | 490 (15.0) | 490 (39.3) | |||
| Sydöstra sjukvårdsregionen | 170 (5.2) | 170 (13.6) | |||
| Västra sjukvårdsregionen | 150 (4.6) | 150 (12.0) | |||
| Södra sjukvårdsregionen | 118 (3.6) | 118 (9.5) | |||
| Region Hovedstaden | 506 (15.5) | 506 (25.1) | |||
| Region Sjælland | 321 (9.8) | 321 (15.9) | |||
| Region Syddanmark | 349 (10.7) | 349 (17.3) | |||
| Region Midtjylland | 562 (17.2) | 562 (27.9) | |||
| Region Nordjylland | 277 (8.5) | 277 (13.7) | |||
| Former PCR test | <0.001 | ||||
| Yes | 1016 (31.5) | 185 (14.8) | 831 (42.1) | ||
| No | 2207 (68.5) | 1063 (85.2) | 1144 (57.9) | ||