Variable

Modality

DRS-15

Total

chi-2

Law

Average

High

Gender

Male

83

16

0

99

6.89 (p < 0.032)*

Female

104

21

6

131

Grade

Nurse

123

25

2

150

2.80 (p < 0.25) ns

Doctor

64

12

4

80

Age

<25

21

8

0

29

10.16 (p < 0.25) ns

25<>55

148

22

6

176

>55

18

7

0

25

Marital status

Single

64

14

2

80

11.05 (p < 0.05)*

Married

123

23

4

150

Seniority

<5

60

10

1

71

7.50 (p < 0.047)*

5<>20

82

11

3

96

>20

45

16

2

63

Transport tools

Auto

132

24

4

160

0.53 (p < 0.93)

By foot

55

13

2

70

Hour of work

12/36

31

8

1

40

2.43 (p < 0.05)*

Continue

127

25

5

157

Normal

26

4

0

30

Antecedent

None

134

21

4

159

8.80 (p < 0.041)*

HT

21

6

0

27

Cancer

2

0

0

2

Psychologic

3

1

1

5

Total

187

37

6

230