Standardised mortality ratios (SMRs) for selected causes in the cohort of asphalt workers in subgroups with different inclusion criteria with respect to duration of employment
| Cause of death (9th ICD revision) | Employed for more than one season† (n = 29820) | Employed for less than one full season or longer‡ (n = 29060) | ||||
|---|---|---|---|---|---|---|
| O* | SMR | 95% CI | O* | SMR | 95% CI | |
| *Observed deaths; †all countries; ‡only in Denmark, France, Israel, Netherlands, and Norway. | ||||||
| All causes (001–999) | 3987 | 0.96 | 0.93 to 0.99 | 4531 | 1.02 | 0.99 to 1.05 |
| All external causes (800–999.8) | 439 | 0.97 | 0.88 to 1.07 | 497 | 1.10 | 1.01 to 1.21 |
| Industrial accidents (919–920) | 10 | 1.23 | 0.59 to 2.26 | 9 | 1.06 | 0.48 to 2.01 |
| Suicide (950–959) | 158 | 0.91 | 0.77 to 1.06 | 190 | 1.08 | 0.93 to 1.24 |
| Road accidents (810–819) | 94 | 1.16 | 0.94 to 1.42 | 106 | 1.18 | 0.97 to 1.43 |
| Other external causes (800–807, 820–918, 921–949, 960–999.8) | 177 | 0.99 | 0.85 to 1.15 | 192 | 1.15 | 0.99 to 1.32 |