Variable

Modality

MBI

Total

Khi2

P value

low

Moderate

high

Gender

Male

10

23

17

50

3.2

0.2(ns)

Female

10

15

25

50

Age

Below 25 years

0

2

1

3

3.75

0.44(ns)

between 25 and 35 years

16

30

38

84

Over 45 years old

4

6

3

13

Professional status

Nurses

17

31

32

80

9.39

0.05 (s)

Doctors

3

7

10

20

Number of hours worked

35 to 55 hours

19

33

35

89

0.95

0.62(ns)

56 to 75 hours

1

5

5

11