Variables

Modality

Work force n = 8

Frequency (%)

Sex

1) Male

2) Feminine

6

2

75

25

Age (Years)

1) 46 - 56

2) 57 - 67

5

3

62.5

37.5

Qualification

1) Graduated

2) Licensee

6

2

75

25

Seniority

1) 5 - 12

2) 13 - 20

1

7

12.5

87.5