Table 1.

Sociodemographic Characteristics of Medical Staff Samples

	N (1431)
Gender
Male	610(42.62%)
Female	821(57.38%)
Age
18–30	355(24.80%)
31–40	578(40.39%)
41–50	343(23.96%)
51–60	86(6.00%)
61–70	18(12.57%)
71–80	51(3.56%)
Residential area
Eastern China	795(55.56%)
Central China	282(19.70)
Western China	346(24.17)
Hong Kong, Macau and Taiwan	8(0.57%)
Income (RMB)
0–20,000	330(23.06%)
20,000–50,000	159(11.11%)
50,000–150,000	575(40.18%)
150,000–500,000	352(24.59)
>500,000	15(1.06%)