Alterations in mental health and quality of life among healthcare workers in times of COVID-19: Four-stage cross-sectional study during first four pandemic waves in Poland.

Front Psychiatry · 2022 · PMC9729733 · PMID 36506428

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a decreasing trendno p-value reported

There was also be a significant disproportion in the number of survey respondents between survey stages with a decreasing trend.

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