Standardised mortality ratios for cerebrovascular and ischaemic heart disease among British asbestos workers (1971–2005)
| Smoking status | Number of deaths | Standardised mortality ratio | |
| Unadjusted | Smoking adjusted | ||
| Cerebrovascular disease | |||
| Men | |||
| Overall | 933 | 1.63 (1.52 to 1.73) | 1.51 (1.42 to 1.61) |
| Current | 580 | 2.03 (1.87 to 2.20) | 1.61 (1.48 to 1.75) |
| Former | 245 | 1.25 (1.10 to 1.42) | 1.36 (1.20 to 1.55) |
| Never | 108 | 1.18 (0.96 to 1.42) | 1.41 (1.16 to 1.70) |
| Women | |||
| Overall | 90 | 2.04 (1.64 to 2.51) | 1.86 (1.49 to 2.28) |
| Current | 51 | 2.49 (1.85 to 3.27) | 1.80 (1.34 to 2.37) |
| Former | 10 | 1.31 (0.63 to 2.42) | 1.27 (0.61 to 2.23) |
| Never | 29 | 1.82 (1.22 to 2.62) | 2.38 (1.59 to 3.41) |
| Ischaemic heart disease | |||
| Men | |||
| Overall | 3870 | 1.39 (1.35 to 1.43) | 1.28 (1.24 to 1.32) |
| Current | 2463 | 1.76 (1.69 to 1.83) | 1.40 (1.35 to 1.46) |
| Former | 1035 | 1.10 (1.03 to 1.16) | 1.15 (1.08 to 1.22) |
| Never | 372 | 0.84 (0.76 to 0.93) | 1.04 (0.94 to 1.15) |
| Women | |||
| Overall | 175 | 1.89 (1.62 to 2.19) | 1.61 (1.38 to 1.87) |
| Current | 111 | 2.56 (2.11 to 3.09) | 1.61 (1.32 to 1.94) |
| Former | 32 | 1.95 (1.33 to 2.75) | 1.46 (1.00 to 2.06) |
| Never | 32 | 0.97 (0.67 to 1.37) | 1.80 (1.23 to 2.55) |
Data are observed deaths and SMRs, with 95% CI for the SMRs in parentheses. Note that there are missing values in the smoking status data.