Table 1. Characteristics of health care workers included in the study.

Characteristics	Study population (n = 248)	Overall population (n = 5258)
Female: n (%)	170 (68.5)	3725 (70.8)
Age in years: mean (SD)	46 (10.8)	44 (11.8)
Permanent contract: n (%)	205 (82.7)	3774 (71.8)
Seniority in years: media (SD)	17 (12.4)	14 (12.8)
Professional category: n (%)
Staff physician	55 (22.2)	904 (17.2)
Resident physician	22 (8.9)	313 (6)
Nurse	53 (21.4)	1556 (29.6)
Auxiliary nurse/Orderly	34 (13.7)	943 (17.9)
Administrative/Technical staff	84 (33.9)	1541 (29.6)