Table 1.
Background characteristics of the participants (N=2053).
| Characteristics | Participants, n (%) | |
| Age group (years) | ||
|
|
18-30 | 757 (36.9) |
|
|
31-40 | 733 (35.7) |
|
|
41-50 | 491 (23.9) |
|
|
>50 | 72 (3.5) |
| Gender | ||
|
|
Male | 874 (42.6) |
|
|
Female | 1179 (57.4) |
| Relationships status | ||
|
|
Currently single | 448 (21.8) |
|
|
Having a stable boyfriend/girlfriend | 150 (7.3) |
|
|
Married | 1455 (70.9) |
| Have children | ||
|
|
No | 587 (28.6) |
|
|
Yes | 1466 (71.4) |
| Highest education level attained | ||
|
|
Junior high or below | 859 (41.8) |
|
|
Senior high or equivalent | 613 (29.9) |
|
|
College/university or above | 581 (28.3) |
| Monthly personal income (¥; US $) | ||
|
|
<3000 (463.84) | 512 (24.9) |
|
|
3000-4999 (463.84-772.92) | 909 (44.3) |
|
|
5000-6999 (773.07-1082.15) | 359 (17.5) |
|
|
7000-9999 (1082.30-1545.99) | 150 (7.3) |
|
|
≥10,000 (1546.14) | 123 (6.0) |
| Type of work | ||
|
|
Frontline workers | 1476 (71.9) |
|
|
Management staff | 577 (28.1) |
| Factory type | ||
|
|
Electronic devices manufacturers | 1473 (71.7) |
|
|
Other factories | 580 (28.3) |
| History of seasonal influenza vaccination | ||
|
|
No | 1637 (79.7) |
|
|
Yes | 416 (20.3) |
| Having at least one family member with a history of COVID-19 | ||
|
|
No | 2021 (98.4) |
|
|
Yes | 32 (1.6) |