Ischaemic heart disease mortality and noise exposure at 85dB(A) or higher: odds ratios associated with each 10 years of exposure, assuming a constant trend in exposed group only*
| Crude OR | Adj† OR (95% CI) | Adj‡ OR (95% CI) | |
|---|---|---|---|
| *Model included dichotomous exposure variable (years at 85dB(A) or higher exposure)/10. | |||
| †Model included five pre-employment measures: see table 3. | |||
| ‡Model included five pre-employment measures and duration of employment. | |||
| Both sites | 0.96 | 0.94 (0.81–1.09) | 0.91 (0.76–1.09) |
| Site A | 0.85 | 0.84 (0.67–1.05) | 0.79 (0.59–1.07) |
| Site B | 1.06 | 1.01 (0.82–1.24) | 1.02 (0.81–1.29) |