Effects of traffic-related air and noise pollution exposure on allergic diseases in the elderly: an observational study.

Conversely, elderly subjects reporting vehicular traffic exposure and being exposed to high noise levels [Lden ≥ 60 dB(A)] showed significantly higher odds of allergic rhinitis symptoms/diagnosis (OR 2.01, 95% CI 1.09–3.70, and OR 1.99, 95% CI 1.18–3.36, respectively), as well as, at a borderline significance level, higher odds of rhino-conjunctivitis symptoms/diagnosis (OR 2.20, 95% CI 0.95–5.10, and OR 1.76, 95% CI 0.91–3.42, respectively) than the elderly not exposed to traffic.

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The significance level was set at p < 0.05, while p -values between 0.05 and 0.1 were considered as borderline significant.

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