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dc.contributor.authorRobinson, Rachel K.
dc.contributor.authorHeinonen, Kati
dc.contributor.authorGirchenko, Polina
dc.contributor.authorLahti-Pulkkinen, Marius
dc.contributor.authorKajantie, Eero Olavi
dc.contributor.authorHovi, Petteri
dc.contributor.authorLano, Aulikki
dc.contributor.authorAndersson, Sture
dc.contributor.authorEriksson, Johan G.
dc.contributor.authorWolke, Dieter
dc.contributor.authorLemola, Sakari
dc.contributor.authorRaikkonen, Katri
dc.date.accessioned2023-01-23T09:23:14Z
dc.date.available2023-01-23T09:23:14Z
dc.date.created2021-12-02T15:36:48Z
dc.date.issued2021
dc.identifier.citationPLOS ONE. 2021, 16 (11), .en_US
dc.identifier.issn1932-6203
dc.identifier.urihttps://hdl.handle.net/11250/3045181
dc.description.abstractAim Preterm birth(<37 gestational weeks) is associated with numerous adversities, however, data on positive developmental outcomes remain limited. We examined if preterm and term born(≥37 gestational weeks) adults differ in dispositional optimism/pessimism, a personality trait associated with health and wellbeing. We assessed if birth weight z-score, neurosensory impairments and parental education modified the outcome. Methods We systematically searched PubMed and Web of Science for cohort or case-control studies(born ≥ 1970) with data on gestational age and optimism/pessimism reported using the Life-Orientation-Test-Revised in adulthood(≥18 years). The three identified studies(Helsinki Study of Very Low Birth Weight Adults; Arvo Ylppö Longitudinal Study; Avon Longitudinal Study of Parents and Children) provided data for the two-step random-effects linear regression Individual-Participant-Data meta-analysis. Results Preterm and term borns did not differ on optimism(p = 0.76). Preterms scored higher on pessimism than term borns(Mean difference = 0.35, 95%Confidence Interval 0.36, 0.60, p = 0.007), although not after full adjustment. Preterm born participants, but not term born participants, with higher birth weight z-score, had higher optimism scores (0.30 raw score units per standard deviation increase, 95% CI 0.10, 0.49, p = 0.003); preterm vs term x birth weight z-score interaction p = 0.004). Conclusions Preterm and term born adults display similar optimism. In preterms, higher birth weight may foster developmental trajectories promoting more optimistic life orientations.en_US
dc.language.isoengen_US
dc.publisherPLOS, Public Library of Scienceen_US
dc.rightsNavngivelse 4.0 Internasjonal*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/deed.no*
dc.titleOptimism in adults born preterm: Systematic review and individual-participant-data metaanalysisen_US
dc.title.alternativeOptimism in adults born preterm: Systematic review and individual-participant-data metaanalysisen_US
dc.typePeer revieweden_US
dc.typeJournal articleen_US
dc.description.versionpublishedVersionen_US
dc.source.pagenumber15en_US
dc.source.volume16en_US
dc.source.journalPLOS ONEen_US
dc.source.issue11en_US
dc.identifier.doi10.1371/journal.pone.0259463
dc.identifier.cristin1963647
cristin.ispublishedtrue
cristin.fulltextoriginal
cristin.qualitycode1


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