Table 1 General characteristics of the study participants
Total N = 27,036 | COVID-19 contact tracing app users n = 6786 (25.1%) | ||
|---|---|---|---|
n (%) | n (%) | Download rate (%) | |
Sex | |||
Female | 13,222 (48.9) | 3181 (46.9) | 24.1 |
Male | 13,814 (51.1) | 3605 (53.1) | 26.1 |
Age | |||
20–39 years | 6763 (25.0) | 1669 (24.6) | 24.7 |
40–49 years | 8011 (29.6) | 1886 (27.8) | 23.5 |
50–59 years | 9012 (33.4) | 2359 (34.8) | 26.2 |
60–65 years | 3250 (12.0) | 872 (12.8) | 26.8 |
Marital status | |||
Single | 9164 (33.9) | 1991 (29.4) | 21.7 |
Divorced or widowed | 2843 (10.5) | 722 (10.6) | 25.4 |
Married | 15,029 (55.6) | 4073 (60.0) | 27.1 |
Education | |||
Junior high or high school | 7321 (27.1) | 1647 (24.3) | 22.5 |
Vocational school or college | 6544 (24.2) | 1552 (22.9) | 23.7 |
University or graduate school | 13,171 (48.7) | 3587 (52.8) | 27.2 |
Annual household income | |||
< 2,000,000 Japanese yen | 1709 (6.3) | 277 (4.1) | 16.2 |
2,000,000–3,999,999 Japanese yen | 5548 (20.5) | 1188 (17.5) | 21.4 |
4,000,000–7,999,999 Japanese yen | 11,927 (44.1) | 2925 (43.1) | 24.5 |
≥ 8,000,000 Japanese yen | 7852 (29.1) | 2396 (35.3) | 30.5 |
Smoking | |||
Non-smoking | 14,587 (54.0) | 3495 (51.5) | 24.0 |
Past smoking | 5445 (20.1) | 1551 (22.9) | 28.5 |
Current smoking | 7004 (25.9) | 1740 (25.6) | 24.8 |
Alcohol intake | |||
Never | 11,472 (42.4) | 2699 (39.8) | 23.5 |
Occasionally | 4547 (16.8) | 1186 (17.5) | 26.1 |
Regularly | 11,017 (40.8) | 2901 (42.7) | 26.3 |
Anxiety about contracting COVID-19 | |||
Yes | 20,017 (74.0) | 5737 (84.5) | 28.7 |
No | 7019 (26.0) | 1049 (15.5) | 14.9 |
Industry | |||
Manufacturing | 4591 (17.0) | 1165 (17.2) | 25.4 |
Public service | 1891 (7.0) | 614 (9.0) | 32.5 |
Information technology | 1331 (4.9) | 429 (6.3) | 32.2 |
Retail and wholesale | 1797 (6.6) | 394 (5.8) | 21.9 |
Food/beverage | 1319 (4.9) | 269 (4.0) | 20.4 |
Medical and welfare | 4500 (16.6) | 1071 (15.8) | 23.8 |
Finance | 1226 (4.5) | 364 (5.4) | 29.7 |
Construction | 944 (3.5) | 240 (3.5) | 25.4 |
Other | 9437 (34.9) | 2240 (33.0) | 23.7 |
Company size | |||
1–9 employees | 6165 (22.8) | 1272 (18.7) | 20.6 |
10–49 employees | 4390 (16.2) | 957 (14.1) | 21.8 |
50–999 employees | 9703 (35.9) | 2491 (36.7) | 25.7 |
≥ 1000 employees | 6778 (25.1) | 2066 (30.4) | 30.5 |
Occupation | |||
Permanent employee | 12,575 (46.5) | 3006 (44.3) | 23.9 |
Manager | 3403 (12.6) | 1160 (17.1) | 34.1 |
Civil servant | 2810 (10.4) | 840 (12.4) | 29.9 |
Dispatched or contact worker | 2894 (10.7) | 671 (9.9) | 23.2 |
Self-employed | 2819 (10.4) | 525 (7.7) | 18.6 |
Other | 2535 (9.4) | 584 (8.6) | 23.0 |