
Assessment of how occupational noise exposure relates to hypertension and ECG abnormalities and whether the healthy worker effect biases cohort findings.
Key Takeaways
- Workers with over 120 months of noise exposure showed HR 0.621 for composite events
- After excluding pre-employment hires the reduced risk persisted with HR 0.787
- Baseline systolic blood pressure ≥130 mmHg was associated with HR 1.663 increased risk
