Year first worked | ERR per 100 mGy* | 95% CI | P value | Fitted excess deaths | Observed deaths |
Myeloid neoplasm | |||||
Acute myeloid leukaemia | |||||
Before 1950 | −0.004 | (<−0.01 to 0.17) | 0.5 | −0.3 | 16 |
1950–1959 | −0.11 | (<−0.11 to 0.29 | >0.5 | −3.9 | 22 |
1960–1969 | −0.17 | (<−0.17 to 0.50 | >0.5 | −3.2 | 21 |
1970 and later | 0.17 | (<−0.2 to 2.0) | >0.5 | 1.6 | 26 |
Phet=0.03 | |||||
ERR per 100 mGy-all years | 0.0002 | (<−0.02 to 0.24) | Ptrend>0.5 | 0.03 | 85 |
Acute myeloid leukaemia plus myelodysplastic syndromes | |||||
Before 1950 | 0.004 | (<−0.023 to 0.16) | >0.5 | 0.6 | 29 |
1950–1959 | −0.11 | (<−0.11 to 0.29) | 0.4 | −5.7 | 30 |
1960–1969 | −0.14 | (<−0.17 to 0.42) | >0.5 | −3.4 | 28 |
1970 and later | 0.07 | (<−0.2 to 1.5) | >0.5 | 0.83 | 39 |
Phet>0.5 | |||||
ERR per 100 mGy-all years | 0.015 | (<−0.023 to 0.25) | Ptrend>0.5 | 2.9 | 116 |
Lymphoid neoplasms | |||||
non-Hodgkin lymphoma | |||||
Before 1950 | 0.06 | (−0.018 to 0.23) | 0.21 | 7.7 | 37 |
1950–59 | 0.50 | (0.16 to 1.1) | 0.001 | 31.1 | 87 |
1960–69 | −0.19 | (<−0.2 to 0.30) | 0.4 | −6.8 | 42 |
1970 & later | −0.2 | (<−0.2 to 0.41) | 0.35 | −3.9 | 35 |
Phet<0.001 | |||||
ERR per 100 mGy- all years | 0.03 | (<−0.2 to 0.18) | Ptrend>0.4 | 9.9 | 201 |
Chronic lymphocytic leukaemia | |||||
Before 1950 | <−0.023 | (<−0.025 to 0.18 | 0.44 | 8.4 | 11 |
1950–59 | −0.021 | (<−0.023 to 0.73) | >0.5 | 3.2 | 8 |
1960–69 | 3.2 | (0.79 to 9.2) | 0.001 | 9.5 | 23 |
1970 & later | -- | -- | −0.3 | 1 | |
Phet=0.002 | |||||
ERR per 100 mGy–all years | <−0.023 | (<−0.025 to 0.18) | Ptrend=0.45 | 17.1 | 32 |
Multiple myeloma | |||||
Before 1950 | 0.01 | (<−0.023 to 0.18) | >0.5 | 1.2 | 21 |
1950–59 | 0.33 | (−0.01 to 0.97) | 0.06 | 13.4 | 44 |
1960–69 | 0.37 | (−0.15 to 0.37) | 0.21 | 7.2 | 33 |
1970 & later | −0.2 | (<−0.2 to 0.96) | 0.5 | −1.5 | 14 |
Phet=0.03 | |||||
ERR per 100 mGy-all years | 0.003 | (−0.02 to 0.16) | Ptrend>0.5 | 0.5 | 112 |
Other haematopoietic malignancies | |||||
Leukaemia excluding chronic lymphocytic leukaemia | |||||
Before 1950 | 0.05 | (<−0.09 to 0.23) | 0.2 | 6.8 | 30 |
1950–1959 | 0.07 | (<−0.10 to 0.52) | >0.5 | 3.6 | 43 |
1960–1969 | −0.04 | (−0.17 to 0.63) | >0.5 | −1.2 | 37 |
1970 and later | 0.41 | (<−0.19 to 2.3) | 0.48 | 5.8 | 45 |
Phet=0.19 | |||||
ERR per 100 mGy-all years | 0.05 | (<−0.09 to 0.24) | Ptrend>0.21 | 12.0 | 155 |
*Adjusted for attained age (log-transformed, continuous), sex, and birth year (continuous).
ERR at 100 mGy, excess relative risk at 100 milligray; mGy, milligray.