Reference*

Study Population

Exposed Cases

Estimated RR (95% CI)

Hughes et al. 1987

5,492 male asbestos-cement manufacturing plant employees in New Orleans, LA (buccal, pharynx)

 

 

 

Plants combined (20 year lag)

11

0.90 (0.45-1.61)a

 

Plant 1

5

1.13 (0.37-2.64)a

 

Plant 2

6

0.77 (0.28-1.67)a

Parnes 1990

2,057 male brake-lining and disk- manufacturing workers in Albany, NY (buccal cavity, pharynx)

3

1.83 (0.37-5.19)a

Generic “Asbestos Workers”

 

 

Berry et al. 2000

Asbestos factory workers in east London, UK (buccal cavity, pharynx)

 

 

 

3,000 men

5

2.17 (0.70-5.07)a

 

Low/mod < 2 years

1

1.59 (0.04-8.84)a

 

Low/mod > 2 years

1

2.04 (0.05-11.37)a

 

Severe < 2 years

2

2.94 (0.36-10.62)a

 

Severe > 2 years

1

2.00 (0.05-11.14)a

 

700 women

0

0.00 (0.00-7.10)a

Enterline et al. 1987

1,074 white male production and maintenance workers at US asbestos company (buccal cavity, pharynx)

5

1.39 (0.45-3.24)a

Other Occupations with Substantial Asbestos Exposure

 

 

Battista et al. 1999

734 male railway carriage construction and repair workers in Italy (mouth, pharynx)

3

2.65 (0.72-6.86)b

Puntoni et al. 2001

3,984 male shipyard workers in Genoa, Italy (oropharynx)

16

0.97 (0.56-1.58)

NOTE: CI = Confidence interval; RR = relative risk. Figures are for mortality unless otherwise indicated. Data points included in meta-analyses are bolded.

* Full citations can be found in the reference list for Chapter 6.

a95% CIs calculated with standard methods from observed and expected numbers presented in original paper.

b90% CIs reported.



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