Factors associated with maternal postpartum fatigue: an observationalstudy.

BMJ Open · 2019 · PMC6661702 · PMID 31352411

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marginal significanceno p-value reported

Similarly, the number of days of paternity leave was positively associated with PPF at 1 month, although this was of only marginal significance.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.