Table 1. Characteristics of confirmed cases of COVID-19 in Tokyo between January 14 and March 27, 2020 (n = 243).
| Characteristics | Employment status (n = 203) |
Employment status unknown or missing (n = 30) |
Cases in the first cluster* (n = 10) |
|||
|---|---|---|---|---|---|---|
| Employed†
(n = 114, 56.2%) |
Self-employed (n = 31, 15.3%) |
Medical staff (n = 6, 3.0%) |
Non-employed (n = 52, 25.6%) |
|||
| Age | ||||||
| 20 to 29 years | 11 (9.7) | 1 (3.2) | 1 (16.7) | 2 (3.9) | 2 (6.7) | 0 (0) |
| 30 to 39 years | 15 (13.2) | 4 (12.9) | 1 (16.7) | 4 (7.7) | 4 (13.3) | 1 (10.0) |
| 40 to 49 years | 31 (27.2) | 10 (32.3) | 1 (16.7) | 4 (7.7) | 6 (20.0) | 1 (10.0) |
| 50 to 59 years | 29 (25.4) | 6 (19.4) | 3 (50.0) | 3 (5.8) | 4 (13.3) | 2 (20.0) |
| 60 to 69 years | 18 (15.8) | 5 (16.1) | 0 (0) | 10 (19.2) | 1 (3.3) | 3 (30.0) |
| 70 to 79 years | 7 (6.1) | 5 (16.1) | 0 (0) | 16 (30.8) | 10 (33.3) | 2 (20.0) |
| 80 to 89 years | 0 (0) | 0 (0) | 0 (0) | 8 (15.4) | 2 (6.7) | 1 (10.0) |
| 90 years or older | 1 (0.9) | 0 (0) | 0 (0) | 4 (7.7) | 1 (3.3) | 0 (0) |
| Missing | 2 (1.8) | 0 (0) | 0 (0) | 1 (1.9) | 0 (0) | 0 (0) |
| Sex | ||||||
| Men | 82 (71.9) | 27 (87.1) | 3 (50.0) | 24 (46.2) | 26 (86.7) | 8 (80.0) |
| Women | 32 (28.1) | 4 (12.9) | 3 (50.0) | 28 (53.9) | 4 (13.3) | 2 (20.0) |
| Residence | ||||||
| Tokyo | 109 (95.6) | 30 (96.8) | 5 (83.3) | 48 (92.3) | 11 (36.7) | 0 (0) |
| Not Tokyo | 5 (4.4) | 1 (3.3) | 1 (16.7) | 4 (7.7) | 1 (3.3) | 0 (0) |
| Missing | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 18 (60.0) | 10 (100) |
| Visited abroad | 15 (13.2) | 2 (6.5) | 0 (0) | 5 (9.6) | 0 (0) | NA |
| Major symptoms‡ | ||||||
| Fever | 103 (90.4) | 28 (90.3) | 4 (66.7) | 41 (78.9) | 7 (23.3) | 1 (10.0) |
| Cough | 62 (54.4) | 20 (64.5) | 6 (100) | 27 (51.9) | 2 (6.7) | 1 (10.0) |
| Fatigue | 39 (34.2) | 5 (16.1) | 0 (0) | 12 (23.1) | 0 (0) | 1 (10.0) |
| Sore throat | 8 (7.0) | 2 (6.5) | 0 (0) | 2 (3.9) | 0 (0) | 0 (0) |
Data are shown as number (%). NA, not available. *One medical staff was classified into this category, not in the category of "medical staff". 5 cases were taxi drivers and one was a worker of the houseboat. †Four executives were included in this category. ‡Persons with missing data on symptoms are included as denominator in each analysis.