Inferences about the effect of lockdowns on mental health require causal identification strategies: A reply to Thornley et al.
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This letter responds to another letter in the journal (Thorney et al., 2021). Thornley et al. reported a time series analysis of "parasuicide" cases in New Zealand children and concluded that this time series demonstrates a "clear detrimental effect of COVID-19 lockdown policies on child mental health”. In this letter, we point out four reasons why this conclusion is not justified by the data presented by Thornley et al. [Note: Our letter did not have a formal abstract; this summary was added for the preprint.]
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2010 ◽
Vol 36
(sup2)
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pp. S327-S334
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1989 ◽
Vol 17
(6)
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pp. 801-820
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2012 ◽
Vol 2012
(jun07 1)
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pp. bcr2012006300-bcr2012006300
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2015 ◽
Vol 410
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pp. 174-185
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2021 ◽
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