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Distribution* of the cumulative mental health and well being score before the pandemic and after the first lockdown and school reopening, separately for girls and boys, Canada, 2018–2020. *Based on Kernel density estimator. Changes in mean scores: −0.57 (95% CI -1.38, 0.23) in girls; 0.01 (95% CI -0.81, 0.81) in boys.
