Social determinants of health and outcome of extremely preterm infants: A Swiss population-based study

Marion Decaillet, Timea Hasenauer, Juliane Schneider and Myriam Bickle Graz

PLOS ONE, 2026, vol. 21, issue 4, 1-13

Abstract: Background and aims: Social determinants of health (SDoH) are associated with the outcome of preterm infants, but data in Switzerland are lacking. The aim of this study was to assess the associations of maternal nationality, parental socioeconomic status (SES) and language, with perinatal and 18-month-old outcomes of extremely preterm infants in Switzerland. Methods: Surviving extremely preterm infants born in our tertiary care neonatal centre between 2009–2020 were evaluated at the age of 18 corrected months using Bayley Scales of Infant Development, and neurological examination. We analyzed differences in outcomes according to maternal nationality, socioeconomic status and language. Results: In the neonatal period, among 408 (46% female) patients (median 26 6/7 weeks (25 4/7–27 2/7)), median birthweight 790g (669-942g), nationality was associated with the rate of multiplets, (34% in Swiss vs 27% for European, 14% extra-European, p = .012). Parental SES was associated with the rate of multiplets, (45%, mid SES 28%, low SES 19%, p

Date: 2026
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0344616

DOI: 10.1371/journal.pone.0344616

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