12. PM2.5 association with hospitalizations for mental and behavioral disorders in Ho Chi Minh City

Nguyen Thi Tuong Vy, Truong Thi Thuy Dung, Do Thi Hoai Thuong, Nguyen Ngoc Nhat Thanh, Dinh Thi Giang, Dang Anh Tuan, Tran Ngoc Dang

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Abstract

The purpose of this study is to describe the association between PM2.5 and hospitalizations for mental and behavioral disorders (MBDs) at Ho Chi Minh City Psychiatric Hospital (HCMC). We utilized a time series data analysis design, a Poisson regression model (Quasi-Poisson) combined with a lagged linear model (DLM) with lag ranging from 0 to 3 days, controlling for confounding factors. The results showed that there was a significant association between PM2.5 and the number of hospitalizations due to MBDs. Specifically, every 10 ug/m3 increase in PM2.5 concentration contributes to an increase of 3.0% (95%CI 0.0% - 6.0%) in the number of hospitalizations due to mental and behavioral disorders. For women, every 10 ug/m3 increase in PM2.5 concentration contributes to a 5% (95%CI 0.0% - 10.0%) increase in female hospitalizations. The number of hospitalizations had a trend to increase in the dry and rainy seasons due to the impact of PM2.5.

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References

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