Table 2 Epidemiological characteristics of reported COVID-19 cases in Ningbo City, Zhejiang Province, China.
Characteristics | Number of symptomatic cases | Number of asymptomatic infections | p (%) | IR (per 100 000) |
|---|---|---|---|---|
Sex | ||||
Male | 56 | 15 | 21.13 | 1.71 |
Female | 101 | 15 | 12.93 | 2.86 |
Age (years) | ||||
0–9 | 1 | 3 | 75.00 | 0.59 |
10–19 | 4 | 2 | 33.33 | 1.00 |
20–29 | 13 | 3 | 18.75 | 1.44 |
30–39 | 27 | 4 | 12.90 | 2.16 |
40–49 | 20 | 5 | 20.00 | 1.69 |
50–59 | 47 | 9 | 16.07 | 4.24 |
60–69 | 29 | 1 | 3.33 | 3.14 |
70–79 | 11 | 3 | 21.43 | 3.52 |
≥ 80 | 5 | 0 | 0.00 | 2.30 |
Occupation | ||||
Scattered children | 1 | 1 | 50.00 | NA |
Workers | 8 | 4 | 33.33 | NA |
Students | 10 | 4 | 28.57 | NA |
Individual business people | 3 | 1 | 25.00 | NA |
Houseworker and unemployed | 36 | 7 | 16.28 | NA |
Farmers | 36 | 7 | 16.28 | NA |
Business services | 17 | 3 | 15.00 | NA |
Retirees | 22 | 3 | 12.00 | NA |
Public officials | 11 | 0 | 0.00 | NA |
Teachers | 6 | 0 | 0.00 | NA |
Migrant workers | 1 | 0 | 0.00 | NA |
Security staffs | 1 | 0 | 0.00 | NA |
Lawyers | 1 | 0 | 0.00 | NA |
Business owners | 1 | 0 | 0.00 | NA |
Medical staffs | 1 | 0 | 0.00 | NA |
Unknown | 2 | 0 | 0.00 | NA |
