Table 3 Occupational dust exposures and risk of renal cell carcinoma

From: Occupational exposure to dusts and risk of renal cell carcinoma

Duration of Exposure

Cumulative Exposure

 

Case

Control

     

Case

Control

    
 

N

N

OR

95% CI

P -trend

 

N

N

OR

95% CI

P -trend

Glass fibres a

 Unexposed

797

1165

1.0

   

Unexposed

797

1165

1.0

   

 ⩽12.00

15

10

2.2

0.9

5.0

 

⩽0.05

12

10

1.6

0.7

3.8

 

 >12.00

13

9

2.0

0.8

4.8

 

>0.05

16

9

2.6

1.1

6.2

 
      

0.03

      

0.02

Mineral wool fibres a

 Unexposed

803

1167

1.0

   

Unexposed

803

1167

1.0

   

 ⩽12.00

11

8

2.2

0.8

5.6

 

⩽0.06

9

7

2.0

0.7

5.7

 

 >12.00

11

6

2.9

1.0

8.1

 

>0.06

13

7

2.9

1.1

7.6

 
      

0.02

      

0.02

Brick dust b

 Unexposed

753

1103

1.0

   

Unexposed

753

1103

1.0

   

 ⩽11.00

31

48

1.1

0.7

2.0

 

⩽1.40

36

42

1.4

0.8

2.5

 

 >11.00

41

32

2.1

1.2

3.6

 

>1.40

36

38

1.7

0.9

2.9

 
      

0.01

      

0.049

Graphite dust

 Unexposed

813

1153

1.0

   

Unexposed

813

1153

1.0

   

 ⩽11.00

10

12

1.2

0.5

2.8

 

⩽3.08

7

15

0.7

0.3

1.8

 

 >11.00

2

20

0.1

0.0

0.6

 

>3.08

5

17

0.4

0.1

1.1

 
      

0.02

      

0.049

  1. Abbreviations: BMI=body mass index; CI=confidence interval; OR=odds ratio.
  2. Adjusted for age, sex, centre, BMI, self-reported hypertension, and smoking status (ever, never).
  3. Includes only high confidence exposures, those exposures assessed with a confidence of probable (40–90%) or definite (>90%).
  4. Model also adjusted for occupational:
  5. aAsbestos exposure.
  6. bConcrete dust exposure.
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