SMRs for workers in tyre and non-tyre sectors in the rubber industry for selected causes of death during 1967–2015 (using England and Wales reference rates)
Cause of death | Industry group | Test for homogeneity (Χ2) | P values | |||||
Tyre | Non-tyre | |||||||
n | SMR | 95% CI | n | SMR | 95% CI | |||
All causes | ||||||||
Including missing cause of death | 13 929 | 1.10 | 1.08 to 1.12 | 20 252 | 1.11 | 1.10 to 1.13 | 1.64 | 0.201 |
Excluding missing cause of death | 13 223 | 1.08 | 1.06 to 1.09 | 19 019 | 1.09 | 1.07 to 1.10 | 0.87 | 0.352 |
All neoplasms | 3837 | 1.14 | 1.11 to 1.18 | 5390 | 1.13 | 1.10 to 1.16 | 0.36 | 0.549 |
All causes excluding neoplasms | 9390 | 1.05 | 1.03 to 1.07 | 13 635 | 1.07 | 1.05 to 1.09 | 2.23 | 0.136 |
All malignant neoplasms (MN) | 3789 | 1.15 | 1.11 to 1.19 | 5312 | 1.13 | 1.10 to 1.16 | 0.25 | 0.614 |
MN larynx | 26 | 0.96 | 0.63 to 1.41 | 36 | 0.93 | 0.65 to 1.29 | 0.02 | 0.899 |
MN oesophagus | 150 | 1.15 | 0.97 to 1.35 | 183 | 0.99 | 0.85 to 1.14 | 1.86 | 0.172 |
MN stomach cancer | 343 | 1.38 | 1.23 to 1.53 | 425 | 1.19 | 1.08 to 1.31 | 4.13 | 0.042 |
MN trachea, bronchus and lung | 1393 | 1.25 | 1.19 to 1.32 | 1987 | 1.25 | 1.19 to 1.30 | 0.01 | 0.94 |
MN prostate | 383 | 1.05 | 0.95 to 1.16 | 502 | 0.98 | 0.89 to 1.07 | 1.09 | 0.297 |
MN bladder | 173 | 1.16 | 1.00 to 1.35 | 244 | 1.16 | 1.02 to 1.31 | 0.01 | 0.94 |
Multiple myeloma | 49 | 1.13 | 0.85 to 1.49 | 56 | 0.90 | 0.70 to 1.18 | 1.25 | 0.264 |
Leukaemia | 78 | 1.00 | 0.80 to 1.25 | 117 | 1.06 | 0.88 to 1.27 | 0.15 | 0.699 |
Non-Hodgkin’s lymphoma | 47 | 0.69 | 0.52 to 0.92 | 96 | 0.99 | 0.81 to 1.22 | 4.33 | 0.037 |
Circulatory diseases | 5968 | 1.06 | 1.03 to 1.09 | 8659 | 1.08 | 1.05 to 1.10 | 0.82 | 0.365 |
Ischaemic heart disease | 3811 | 1.07 | 1.04 to 1.11 | 5538 | 1.09 | 1.06 to 1.12 | 0.57 | 0.449 |
Respiratory diseases | 1874 | 1.09 | 1.04 to 1.14 | 2856 | 1.17 | 1.13 to 1.21 | 5.49 | 0.019 |
Bronchitis | 322 | 1.03 | 0.93 to 1.15 | 520 | 1.13 | 1.04 to 1.24 | 1.71 | 0.192 |
Emphysema | 54 | 0.96 | 0.73 to 1.25 | 109 | 1.35 | 1.12 to 1.63 | 4.34 | 0.037 |