Table (10):      The relationship between the current job durations in years, work hours/week and frequency of skin diseases among the hospital service workers.

Occupational characteristics

 

 

Total

n

Skin diseases

χ

O.R

(95% C.I)

P value

Positive (n=63)

Negative (n=57)

No

%

No

%

Current job durations/y

 

 

 

 

 

 

 

 

            ≤10y

 

53

23

43.4

30

56.6

 

 

0.07

            >10y

67

40

59.7

27

40.3

3.15

1.93 (0.87-4.3)

 (NS)

Work hours/week:

 

 

 

 

 

 

 

 

            ≤40h

15

3

20.0

12

80.0

 

1.0

 

            (41-55)h

60

29

48.3

31

51.7

 

5.7(1.11-55.1)

0.01(S)

            >55h

45

31

68.9

14

31.1

12.7

8.8(1.9-54.4)

0.001

(HS)

χ for trend

        NS: non significant

        S: significant

        HS: highly significant