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 ARTICLE
Year : 2015  |  Volume : 17  |  Issue : 75  |  Page : 93--97

Is there an association between aircraft noise exposure and the incidence of hypertension? A meta-analysis of 16784 participants


1 School of Public Health; Evidence-Based Medicine Center, School of Basic Medical Sciences, Lanzhou University; Key Laboratory of Evidence Based Medicine and Knowledge Translation of Gansu Province, Lanzhou, China
2 Evidence-Based Medicine Center, School of Basic Medical Sciences, Lanzhou University; Key Laboratory of Evidence Based Medicine and Knowledge Translation of Gansu Province, Lanzhou, China

Correspondence Address:
Prof. Kehu Yang
No. 199 Dong Gang West Road, Cheng Guan District, Lanzhou - 730 000
China
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/1463-1741.153400

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To determine if aircraft noise exposure causes an increased incidence of hypertension among residents near airports. We conducted a meta-analysis of observational studies to evaluate the association between aircraft noise exposure and the incidence of hypertension. PubMed, Embase, Web of Science, the Cochrane Library, and the Chinese Biomedical Literature Database were searched without any restrictions. Odds ratios (ORs) with 95% confidence intervals (CIs) were extracted. The pooled ORs were calculated using both the fixed effects model and random effects model. All analyses were performed using STATA version 12.0 software (Stata Corporation, College Station, TX, USA). We examined five studies, comprising a total of 16,784 residents. The overall OR for hypertension in residents with aircraft noise exposure was 1.63 (95% CI, 1.14-2.33), and one of our included studies showed that there was no evidence that aircraft noise is a risk factor for hypertension in women. According to our subgroup analysis, the summary OR for the incidence was 1.31 (95% CI, 0.85-2.02) with I2 of 80.7% in women and 1.36 (95% CI, 1.15-1.60) with moderate heterogeneity in men. The pooled OR for the incidence of hypertension in residents aged over 55 years and under 55 years was 1.66 (95% CI, 1.21-2.27) with no heterogeneity and 1.78 (95% CI, 1.33-2.39) with I2 of 29.4%, respectively. The present meta-analysis suggests that aircraft noise could contribute to the prevalence of hypertension, but the evidence for a relationship between aircraft noise exposure and hypertension is still inconclusive because of limitations in study populations, exposure characterization, and adjustment for important confounders.






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