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significant decrease » significant increase (Expand Search), significantly increased (Expand Search)
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largest decrease » largest decreases (Expand Search), larger decrease (Expand Search), marked decrease (Expand Search)
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Data collection phases based on COVID-19 policy and public health measures.
Published 2022Subjects: -
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Change of proportions between phases and statistical test results (corresponding to Figs 2–4).
Published 2022Subjects: -
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