Abstract
Methamphetamine has become one of the most widely used illicit drugs in China. To understand the current situation in China, the prevalence and consumption of methamphetamine were estimated through wastewater-based epidemiology (WBE) in the present study. Methamphetamine concentrations ranged from 42.6 ng/L (Harbin) to 700 ng/L (Xi’an) in influent wastewater samples collected from 27 wastewater treatment plants (WWTPs) in 22 Chinese cities. The estimated consumption of methamphetamine was 23.0 (Dingxi) to 376 (Xi’an) mg/day/1000 inhabitants with a mean value of 157 mg/day/1000 inhabitants. The annual consumption in 2018 was estimated to be 84 tons (95% confidence interval, 44–136), which was 26% lower than that in 2014. The prevalence of methamphetamine use was 0.64% (95% confidence interval, 0.18–1.25), indicating that more than five million people used methamphetamine in 2018. Although drug abuse is common in the country, the consumption showed a different spatial pattern, with the highest values in Central China and the lowest use in Northeast China, so drug use is still considered a geographic and culture-dependent behaviour. The results indicated that WBE can not only be used to assess the trends of illicit drug use, but also to analyse the spatial differences in the whole country, which will provide complementary evidence for the prevention and control of methamphetamine use.
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This study was supported by the National Science Foundation of China (Grant No. 21806022).
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Highlights
Methamphetamine use in China was assessed through wastewater-based epidemiology.
The consumption of methamphetamine was estimated to be approximately 84 tons in 2018.
More than five million people in China used methamphetamine.
The consumption of methamphetamine decreased from 2014 to 2018.
A discarding event was identified in the sampling campaign.
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Shao, XT., Liu, YS., Tan, DQ. et al. Methamphetamine use in typical Chinese cities evaluated by wastewater-based epidemiology. Environ Sci Pollut Res 27, 8157–8165 (2020). https://doi.org/10.1007/s11356-019-07504-w
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DOI: https://doi.org/10.1007/s11356-019-07504-w