Reference*

Study Population

Exposed Cases

Estimated RR (95% CI)

Selikoff and Seidman 1991

17,800 male members of asbestos insulation unions in Canada and US in 1967 (oropharynx)

48

2.18 (1.62-2.91)a

Levin et al. 1998

783 white male asbestos pipe insulation factory in Tyler, TX (pharynx, buccal cavity)

1

1.07 (0.03-5.95)

Asbestos Textile Workers

 

 

Pira et al. 2005

1,966 textile employees in Italy (oral, pharynx)

7

2.26 (0.90-4.65)

 

Duration of employment (years)

 

 

 

< 1

4

3.89 (1.06-9.96)a

 

1 to < 5

2

2.52 (0.30-9.10)a

 

5 to < 10

0

0

 

10+

1

1.33 (0.03-7.41)a

 

Time since first employment (years)

 

 

 

< 15

3

3.36 (0.69-9.83)a

 

15 to < 25

4

3.63 (0.99-9.30)a

 

25 to < 35

0

0

 

35+

0

0

 

Time since last exposure (years)

 

 

 

Ongoing to < 3

1

1.86 (0.05-10.38)a

 

3 to < 15

2

1.79 (0.22-6.46)a

 

15 to < 25

4

4.72 (1.29-12.08)a

 

25 to < 35

0

0

 

35+

0

0

 

Age at first exposure (years)

 

 

 

< 25

0

0

 

25 to < 35

2

2.57 (0.31-9.27)a

 

35+

5

2.62 (0.85-6.12)a

 

Sex

 

 

 

889 men

7

2.54 (1.0-5.23)a

 

1,077 women

0

0

Asbestos Cement

 

 

Raffn et al. 1989

7,996 male asbestos-cement industry workers in Denmark (buccal cavity, pharynx) (incidence)

13

0.79 (0.42-1.35)

Giaroli et al. 1994

3,341 male asbestos-cement workers in Italy (mouth, pharynx)

 

00 (0-1.37)b



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