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COVID-19 and Mental Health in China: Effects of Personality and Demographics

Zhang, X.; Battisti, M.; Proto, E.

2023-01-20 health economics
10.1101/2023.01.20.23284600 medRxiv
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China was the first country affected by the COVID-19 virus and it reacted strongly in the first months of 2020. This paper presents new evidence on the deterioration in mental health in China between 2018 and 2020. Using two waves of the China Family Panel Studies (CFPS) we can follow the same individuals pre and during the pandemic periods. We find clear evidence of a moderate level of mental health deterioration between 2018 and 2020. The prevalence of severe cases of depression, measured using an eight-item version of the common CES-D scale, increased from 6.33% in 2018 to 7.54% in 2020; quantifiable as around a 19% increase. This deterioration is higher for individuals who are subject to strict lockdowns, about 0.3 symptoms more on average, and it is stronger among those who already reported symptoms of depression in the 2018 wave of data. The effects we find are larger for individuals with more open personalities: one standard deviation of the Openness trait corresponds to 0.08 more symptoms, while more Neurotic individuals do not seem to be more affected. Younger cohorts and individuals with lower levels of education are more affected. Males seem slightly more affected than females, although this difference is statistically non-significant.

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