First Step

Final Step

Variables

p

OR

IC 95%

p

OR

IC 95%

Inf borne

Sup borne

Inf borne

Sup borne

Gender

0.25

0.59

0.24

1.45

Median age (44 years)

0.49

0.77

0.37

1.60

No professional qualification

0.67

0.85

0.41

1.75

Median of seniority (10 years)

0.75

1.12

0.54

2.29

Personnel antecedents of asthma

0.72

1.29

0.30

5.47

Personnel antecedents of rhinitis

0.42

0.24

0.008

7.65

Location on the face

0.02

2.85

1.16

7.00

0.01

2.83

1.27

6.26

Location on the hands

0.48

0.64

0.18

2.24

Location in the forearms

0.64

0.82

0.37

1.83

Location on foot

0.92

1.04

0.45

2.42

Lesion of dominant hand

10−3

14.62

7.04

35.37

10−3

14.02

6.88

28.57

Lesion of both hands

0.006

0.29

0.12

0.70

10−3

4.16

2

9.09

Positive patch-test

0.48

1.39

0.54

3.55

Sensitization to Potassium dichromate

0.44

1.39

0.59

3.26

Sensitization to cobalt

0.92

1.04

0.40

2.66

Sensitization to nickel

0.71

1.20

0.45

3.16

Cement industry

0.22

0.41

0.10

1.70

Building materials sector

0.37

0.30

0.02

4.16

Textile and clothing sector

0.96

1.02

0.42

2.47