Table 1.
Baseline characteristics of participants in four online surveys.
| Survey 1 | Survey 2 | Survey 3 | Survey 4 | Total | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| N | % | N | % | N | % | N | % | N | % | |
| Gender | ||||||||||
| Male | 3,271 | 33.5 | 1,017 | 31.0 | 1,435 | 35.0 | 768 | 46.0 | 6,491 | 34.5 |
| Female | 6,493 | 66.5 | 2,265 | 69.0 | 2,668 | 65.0 | 901 | 54.0 | 12,327 | 65.5 |
| Age | ||||||||||
| <30 years | 3,124 | 32.0 | 899 | 27.4 | 1,241 | 30.2 | 384 | 23.0 | 5,648 | 30.0 |
| 30–39 years | 2,803 | 28.7 | 1,084 | 33.0 | 1,079 | 26.3 | 472 | 28.3 | 5,438 | 28.9 |
| 40–49 years | 2,236 | 22.9 | 876 | 26.7 | 1,070 | 26.1 | 437 | 26.2 | 4,619 | 24.5 |
| ≥50 years | 1,611 | 16.5 | 423 | 12.9 | 713 | 17.4 | 376 | 22.6 | 3,123 | 16.6 |
| Education | ||||||||||
| Junior high school and below | 449 | 4.6 | 169 | 5.1 | 166 | 4.0 | 87 | 5.2 | 871 | 4.6 |
| Senior high school | 1,269 | 13.0 | 485 | 14.8 | 550 | 13.4 | 174 | 10.4 | 2,478 | 13.2 |
| Bachelor's degree | 5,575 | 57.1 | 2,122 | 64.7 | 2,586 | 63.0 | 986 | 59.1 | 11,269 | 59.9 |
| Master's degree or above | 2,461 | 25.2 | 506 | 15.4 | 801 | 19.5 | 422 | 25.2 | 4,190 | 22.3 |
| Marriage | ||||||||||
| Unmarried | 3,154 | 32.3 | 895 | 27.3 | 1,179 | 28.7 | 389 | 23.3 | 5,617 | 29.8 |
| Married | 6,278 | 64.2 | 2,215 | 67.5 | 2,734 | 66.6 | 1,228 | 73.6 | 12,455 | 66.2 |
| Divorced | 244 | 2.5 | 143 | 4.4 | 165 | 4.0 | 38 | 2.3 | 590 | 3.1 |
| Other | 88 | 0.9 | 29 | 0.9 | 25 | 0.6 | 14 | 0.8 | 156 | 0.8 |
| Occupation | ||||||||||
| Medical professional | 1,758 | 18.0 | 457 | 13.9 | 1,099 | 26.8 | 249 | 14.9 | 3,563 | 18.9 |
| Labors | 674 | 6.9 | 29 | 0.9 | 52 | 1.3 | 150 | 9.0 | 905 | 4.8 |
| Teachers and researchers | 1,843 | 18.9 | 339 | 10.3 | 398 | 9.7 | 416 | 24.9 | 2,996 | 15.9 |
| Government staff | 391 | 4.0 | 312 | 9.5 | 526 | 12.8 | 85 | 5.1 | 1,314 | 7.0 |
| C&S personnel | 1,934 | 19.9 | 778 | 23.7 | 814 | 19.8 | 312 | 18.7 | 3,838 | 20.4 |
| Students | 1,533 | 15.7 | 373 | 11.4 | 669 | 16.3 | 162 | 9.7 | 2,737 | 14.5 |
| Other# | 1,631 | 16.7 | 994 | 30.3 | 545 | 13.3 | 295 | 17.7 | 3,465 | 18.4 |
| Residence | ||||||||||
| Urban | 7,811 | 80.0 | 2,564 | 78.1 | 3,151 | 76.8 | 911 | 54.6 | 14,437 | 76.7 |
| Rural | 1,953 | 20.0 | 718 | 21.9 | 952 | 26.2 | 758 | 45.4 | 4,381 | 23.3 |
| Area | ||||||||||
| Wuhan city | 101 | 1.0 | 634 | 19.3 | 1,461 | 35.6 | 27 | 1.6 | 2,223 | 11.8 |
| Hubei province | 55 | 0.6 | 282 | 8.6 | 693 | 17.0 | 12 | 0.7 | 1,042 | 5.5 |
| Other provinces in China | 9,408 | 96.4 | 2,340 | 71.3 | 1,933 | 47.1 | 1,630 | 97.7 | 15,311 | 81.4 |
| Abroad | 200 | 2.0 | 26 | 0.8 | 16 | 0.4 | 0 | 0.0 | 242 | 1.3 |
| Health Status | ||||||||||
| Very healthy | 5,683 | 58.2 | 1,302 | 39.7 | 2,171 | 52.9 | 564 | 33.8 | 9,720 | 51.7 |
| Good healthy | 3,105 | 31.8 | 1,458 | 44.4 | 1,615 | 39.4 | 880 | 52.7 | 7,058 | 37.5 |
| Ordinary | 751 | 7.7 | 491 | 15.0 | 291 | 7.1 | 185 | 11.1 | 1,718 | 9.1 |
| Unhealthy | 225 | 2.3 | 31 | 1.0 | 26 | 0.6 | 40 | 2.4 | 322 | 1.7 |
| Total | 9,764 | 100.0 | 3,282 | 100.0 | 4,103 | 100.0 | 1,669 | 100.0 | 18,818 | 100.0 |
C&S, Commercial and service personnel.
#
Including farmer, civil servant, self-employed, driver, retired people, unemployed, etc.