期刊
SCIENCE OF THE TOTAL ENVIRONMENT
卷 771, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.scitotenv.2020.144882
关键词
Air pollutant; Air pollution; Cumulative exposure; Lag time; Suicide
资金
- Institute for Environmental Research, Tehran University of Medical Sciences, Tehran, Iran [48683]
The study supports a positive association between air pollution and suicide mortality. No immediate risk was elucidated but the possible effects seem to be exerted cumulatively.
Background: Suicide is a major public health problem, with some environmental risk factors. Objectives: This meta-analysis study explored the association between short-term exposure to air pollution and suicide mortality, with an emphasis on different lag times. Methods: A systematic search was used to find relevant studies in databases including Scopus, Web of Knowledge, Pubmed, and Embase published up to 19 May 2020. The inclusion criteria included case-crossover or time-series studies assessing the association of criteria air pollutants with suicide mortality at different Lag Days of 0-7 (LDO to LD7) and Cumulative Lags of 1-7 days (CL1 to CL7). Odds ratios (OR) were calculated with 95% confidence intervals (CI). Results: 011436 retrieved articles, 11 were eligible for data extraction, representing data on 283,550 suicides published between 2010 and 2019. The odds of suicide death increase with each 10 mu g/m(3) increase in the mean concentrations of NO2 at CL1 (1.013: 1.006-1.021), CL2 (1.028: 1.003-1.053), CL3 (1.035: 1.001-1.070). and LD2 (1.011: 1.001-1.022), SO2 at CL1 (1.024: 1.014-1.034), CL2 (1.030: 1.012-1.048), CL3 (1.029: 1.009-1.049), and CL4 (1.027: 1.005-1.049), O-3 at CL6 (1.008: 1.000-1.016), PM10 at CL1 (1.004: 1.000-1.008), and PM2.5 at CL1 (1.017: 1.003-1.031). Besides, the odds of suicide death increases with each 0.5 mg/m(3) increase in the mean concentration of CO at LD6 (1.005: 1.000-1.011). However, it decreased with increased O-3 exposure at LD3 (0.997: 0.994-1.000). Conclusion: The study supports a positive association between air pollution and suicide mortality. No immediate risk was elucidated but the possible effects seem to be exerted cumulatively. (C) 2021 Elsevier B.V. All rights reserved.
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