Table 2.

Workload main characteristics (298 respondents)

Variables
Working hours per a day, mean (SD)	10 (2.2)
Working hours per week
Between 20 and 40 h	38 (12.7%)
Between 40 and 60 h	183 (61.4%)
> 60 h	74 (24.8%)
End of the day time, mean (SD)	7 pm ( 0.58)
Night shift a month
Between 3 and 4	120/298 (40.3%)
> 4	158/298 (53%)
Work on the weekend in addition to night shift
0	118 (39.6%)
1 to 2	108 (36.2%)
3 or 4	36 (12.1%)
Time dedicated to research
0 h /week	198/298 (66%)
10 h /week	85/298 (28.5%)