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Robinson RK, Heinonen K, Girchenko P, et al. Optimism in adults born preterm: Systematic review and individual-participant-data meta-analysis. PLoS One. 2021;16(11):e0259463doi: 10.1371/journal.pone.0259463.
Robinson, R. K., Heinonen, K., Girchenko, P., Lahti-Pulkkinen, M., Kajantie, E., Hovi, P., Lano, A., Andersson, S., Eriksson, J. G., Wolke, D., Lemola, S., & Räikkönen, K. (2021). Optimism in adults born preterm: Systematic review and individual-participant-data meta-analysis. PloS one, 16(11), e0259463. https://doi.org/10.1371/journal.pone.0259463
Robinson, Rachel K, et al. "Optimism in adults born preterm: Systematic review and individual-participant-data meta-analysis." PloS one vol. 16,11 (2021): e0259463. doi: https://doi.org/10.1371/journal.pone.0259463
Robinson RK, Heinonen K, Girchenko P, Lahti-Pulkkinen M, Kajantie E, Hovi P, Lano A, Andersson S, Eriksson JG, Wolke D, Lemola S, Räikkönen K. Optimism in adults born preterm: Systematic review and individual-participant-data meta-analysis. PLoS One. 2021 Nov 18;16(11):e0259463. doi: 10.1371/journal.pone.0259463. eCollection 2021. PMID: 34793498; PMCID: PMC8601551.
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PLoS One. 2021 Nov 18;16(11):e0259463. doi: 10.1371/journal.pone.0259463. eCollection 2021.

Optimism in adults born preterm: Systematic review and individual-participant-data meta-analysis.

PloS one

Rachel K Robinson, Kati Heinonen, Polina Girchenko, Marius Lahti-Pulkkinen, Eero Kajantie, Petteri Hovi, Aulikki Lano, Sture Andersson, Johan G Eriksson, Dieter Wolke, Sakari Lemola, Katri Räikkönen

Affiliations

  1. Department of Psychology & Logopedics, Faculty of Medicine, University of Helsinki, Helsinki, Finland.
  2. Welfare Sciences/Psychology, Faculty of Social Sciences, Tampere University, Tampere, Finland.
  3. National Institute of Health and Welfare, Helsinki, Finland.
  4. University/British Heart Foundation Centre for Cardiovascular Science, Queen's Medical Research Institute, University of Edinburgh, Edinburgh, United Kingdom.
  5. PEDEGO Research Unit, Medical Research Center Oulu, Oulu University Hospital and University of Oulu Finland, Oulu, Finland.
  6. Children's Hospital, Helsinki University Hospital and the University of Helsinki, Helsinki, Finland.
  7. Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway.
  8. Department of General Practice Primary Health Care, University of Helsinki, Helsinki, Finland.
  9. Folkhälsan Research Center, Helsinki, Finland.
  10. Singapore Institute for Clinical Sciences, Agency for Science, Technology and Research, Singapore, Singapore.
  11. Department of Obstetrics & Gynecology, National University of Singapore, Singapore, Singapore.
  12. Mental Health and Wellbeing, Warwick Medical School, University of Warwick, Coventry, United Kingdom.
  13. Department of Psychology, University of Warwick, Coventry, United Kingdom.
  14. Department of Psychology, Bielefeld University, Bielefeld, Germany.

PMID: 34793498 PMCID: PMC8601551 DOI: 10.1371/journal.pone.0259463

Abstract

AIM: 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.

Conflict of interest statement

The authors have declared that no competing interests exist.

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