Maternal educational level and preterm birth: Exploring inequalities in a hospital-based cohort study.

PLoS One · 2023 · PMC10075484 · PMID 37018293

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did not reach statistical significanceno p-value reported

For the iatrogenic etiology, a gradient of inequality was also observed, with an increased risk in less educated women that did not reach statistical significance ( S1 Table ).

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