Immigrants' duration of residence and adverse birth outcomes: a population-based study.

BJOG · 2010 · PMC2848981 · PMID 20374596

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did not reach statistical significanceno p-value reported

Internal comparisons between immigrants by duration of residence Duration of residence was independently associated with PTB and all preterm subgroups in multilevel models further adjusted for maternal sociodemographic and immigration characteristics, although duration did not reach statistical significance for infants born within 28–31 weeks of gestation ( Table 3 ).

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