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. 2020 Jul 2;275:210–215. doi: 10.1016/j.jad.2020.06.031

Table 1.

Demographic characteristics and the exposure of the COVID-19 epidemic of non-frontline and frontline medical workers.

Non-frontline medical workers(n = 1173) Frontline medical workers(n = 1173) Degree of freedom (df) P value
Male 348 (29.7) 354 (30.2) 1 0.79
Age (years) 30.5 ± 8.7 30.6 ± 8.8 2344 0.83
Education years 16.8 ± 2.2 16.8 ± 2.1 2344 0.49
Unmarried status 259 (22.1) 265 (22.6) 1 0.77
Jobs 1 < 0.01
 Medical staff 1095 (93.4) 1156 (98.6)
 Other medical workers 78 (6.6) 17 (1.4)
Annual household income <11,255 (USD, per head) 787 (67.1) 843 (71.9) 1 0.01
Living alone 205 (17.5) 363 (30.9) 1 < 0.01
Geographic origin 2 < 0.01
 Wuhan City 169 (14.4) 264 (22.5)
 Hubei province (excluding Wuhan City) 690 (58.8) 809 (69.0)
 Other areas in Chinaa 314 (26.8) 100 (8.5)
The exposure of the COVID-19 epidemicb
 Number of cumulative cases 13,886.6 ± 10,018.7 17,982.0 ± 9021.0 2344 < 0.01
 Number of daily new cases 2766.6 ± 4419.5 3994.0 ± 5104.9 2344 < 0.01
 Prevalence (‱) 7.0 ± 12.1 10.3 ± 14.1 2344 < 0.01
Daily incidence (per 10,000) 2.3 ± 5.2 3.5 ± 6.1 2344 < 0.01

Data are presented as mean ± standard deviation or n (%).

Abbreviations: Other medical workers: support staff, patient care staff and so on; COVID-19: Coronavirus Disease 2019; Medical staff: mainly including doctors and nurses;.

a

Other areas in China: including 22 provinces, 5 autonomous regions, 4 municipalities and 2 special administrative regions.

b

The participants’ exposure to the COVID-19 epidemic was estimated by the regional epidemic parameters.