Noise Trauma and Acoustic Neuromas in Men
Author Information
Author(s): S. Preston-Martin, D.C. Thomas, W.E. Wright, B.E. Henderson
Primary Institution: University of Southern California School of Medicine
Hypothesis
Does occupational exposure to extremely loud noise relate to the development of acoustic neuromas in men?
Conclusion
The study found that exposure to extremely loud noise is a significant risk factor for developing acoustic neuromas.
Supporting Evidence
- More cases than controls had jobs involving exposure to extremely loud noise.
- The odds ratio for exposure to impact noise was 2.1, indicating a higher risk.
- A dose-response relationship was observed with an odds ratio of 13.2 for exposure of 20 or more years.
- Statistical significance was reached with a p-value of 0.004 for exposure to extremely loud noise.
Takeaway
Men who worked in very loud jobs are more likely to get a type of tumor called acoustic neuromas.
Methodology
The study compared job histories of 86 acoustic neuroma patients with 86 matched neighborhood controls through interviews.
Potential Biases
Recall bias is a potential issue due to the nature of case-control interviews.
Limitations
The study may have recall bias and did not include a review of pathology slides.
Participant Demographics
Participants were black and white men aged 25-69 diagnosed with acoustic neuromas between 1978 and 1985.
Statistical Information
P-Value
0.004
Confidence Interval
95% CI = 1.12, 4.67
Statistical Significance
p<0.05
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