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Meta-Analysis
. 2023 Feb;39(2):e3595.
doi: 10.1002/dmrr.3595. Epub 2022 Nov 27.

Dose-response association between transportation noise exposure and type 2 diabetes: A systematic review and meta-analysis of prospective cohort studies

Chengzhi Liu  1 , Wenxin Li  1 , Xia Chen  1 , Mingliang Liu  1 , Lei Zuo  1 , Li Chen  2 , Haiyan Chen  3 , Wenbin Xu  4 , Guang Hao  1
Affiliations
Meta-Analysis

Dose-response association between transportation noise exposure and type 2 diabetes: A systematic review and meta-analysis of prospective cohort studies

Chengzhi Liu et al. Diabetes Metab Res Rev. 2023 Feb.

Abstract

Aims: To examine the longitudinal association between transportation noise exposure (road traffic, aircraft, and railway noise) and T2D in a meta-analysis.

Materials and methods: We systematically searched PubMed, Embase, Scopus, Cochrane, and Web of Science published up to February 2022. The GRADE approach was used to evaluate the study quality, and the pooled effect estimate was calculated by the fixed-effects model or the random-effects model.

Results: We included 10 prospective studies with a total of 4,994,171 participants and 417,332 T2D cases in the meta-analysis. According to the Navigation guide, 8 studies out of 10 were rated as having a probably high or high risk of bias. For road noise, the pooled relative risk (RR) per 10 dB higher Lden for developing T2D was 1.06 (95% CI:1.03, 1.09) with high heterogeneity (I2 = 90.1%, p < 0.001). Similar associations were also observed in aircraft and railway noise: the pooled RR were separately were: 1.01 (1.00, 1.01) and 1.02 (1.01, 1.03) separately. A 'dose-response' analysis found a similar linear association between road noise exposure and the risk of T2D.

Conclusions: An overall 6% increase in the risk of T2D per 10 dB increase in road exposure was observed. Further studies are needed to confirm our findings, especially for aircraft and railway noise, and to identify the mechanisms involved.

Keywords: aircraft noise; diabetes mellitus; meta-analysis; railway noise; road noise.

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