Table 1.

Demographic information.

		n (%)
Gender	Male	102 (32.8%)
	Female	209 (67.2%)
Age	<30	57 (18.3%)
	31–40	112 (36.0%)
	41–50	42 (13.5%)
	51–60	43 (13.8%)
	>60	57 (18.3%)
Professional title	Chief/senior	46 (14.8%)
	Associate chief/senior	50 (16.1%)
	Intermediate/in charge	135 (43.4%)
	Junior	80 (25.7%)
Hospital grade	General hospital	245 (78.8%)
	Regional hospital	52 (16.7%)
	Community hospital	14 (4.5%)
Department	Clinic	212 (68.2%)
	Medical detection	70 (22.5%)
	Management	29 (9.3%)