| Cumulative exposure mg/m3-years |
(A) Original data |
| 0− | 0.25− | 0.50− | 1.00− | 1.50− | 2.00− | 3.00− | 5.00− | All |
Person-years | 41284.7 | 11909.2 | 14747.6 | 9667.8 | 6323.5 | 6875.3 | 6394.1 | 10900.9 | 108103.0 |
Observed deaths | 35 | 18 | 32 | 22 | 17 | 27 | 23 | 27 | 201 |
Expected deaths | 45.0 | 17.9 | 22.5 | 18.0 | 13.8 | 14.4 | 14.0 | 24.2 | 169.7 |
SMR | 0.78 | 1.01 | 1.42 | 1.22 | 1.23 | 1.88 | 1.64 | 1.12 | 1.18 |
(B) Revised cohort, mortality and employment data |
| 0− | 0.25− | 0.50− | 1.00− | 1.50− | 2.00− | 3.00− | 5.00− | All |
Person-years | 36167.0 | 14251.8 | 14905.0 | 9317.1 | 6268.0 | 7181.4 | 6607.6 | 11100.0 | 105797.9 |
Observed deaths | 39 | 22 | 31 | 28 | 20 | 32 | 26 | 26 | 224 |
Expected deaths | 35.2 | 20.3 | 21.4 | 17.0 | 13.1 | 15.0 | 14.3 | 24.3 | 160.6 |
SMR | 1.11 | 1.08 | 1.45 | 1.65 | 1.52 | 2.13 | 1.81 | 1.07 | 1.39 |
(C) Inclusion of additional workers |
| 0− | 0.25− | 0.50− | 1.00− | 1.50− | 2.00− | 3.00− | 5.00− | All |
Person-years | 44488.9 | 14857.0 | 15395.0 | 9744.8 | 6475.7 | 7289.6 | 6607.6 | 11100.0 | 115958.6 |
Observed deaths | 54 | 24 | 31 | 30 | 21 | 32 | 26 | 26 | 244 |
Expected deaths | 44.5 | 21.5 | 22.4 | 17.9 | 13.6 | 15.4 | 14.3 | 24.3 | 173.9 |
SMR | 1.21 | 1.11 | 1.38 | 1.67 | 1.54 | 2.08 | 1.81 | 1.07 | 1.40 |