Table 1

Cohort data at the end of 1994

nCases of silicosis
n(%)1-150
Working
 400  20 5.0
Left 184  7 3.8
Retired1593 55735.0
Died 833 43151.7
Total3010101533.7
  • 1-150 Cases of silicosis as a percentage of the members in each category.