The effect of very preterm birth on the Five-Factor Model of personality traits: A meta-analysis of individual participant data
Liu, Yiwen; Realo, Anu; Mendonca, Marina; Baumann, Nicole; Bartmann, Peter; Raeikkoenen, Katri; Heinonen, Kati; Robinson, Rachel; Marlow, Neil; Johnson, Samantha; Ni, Yanyan; Kajantie, Eero; Hovi, Petteri; Tikanmaeki, Marjaana; Wolke, Dieter (2024-10-24)
Sage publications
24.10.2024
Liu, Y., Realo, A., Mendonça, M., Baumann, N., Bartmann, P., Räikkönen, K., Heinonen, K., Robinson, R., Marlow, N., Johnson, S., Ni, Y., Kajantie, E., Hovi, P., Tikanmäki, M., & Wolke, D. (2024). The effect of very preterm birth on the Five-Factor Model of personality traits: A meta-analysis of individual participant data. European Journal of Personality, 39(4), 498-517. https://doi.org/10.1177/08902070241280101 (Original work published 2025)
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© The Author(s) 2024. This article is distributed under the terms of the Creative Commons Attribution 4.0 License (https://creativecommons.org/licenses/by/4.0/) which permits any use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access page (https://us.sagepub.com/en-us/nam/open-access-at-sage).
https://creativecommons.org/licenses/by/4.0/
© The Author(s) 2024. This article is distributed under the terms of the Creative Commons Attribution 4.0 License (https://creativecommons.org/licenses/by/4.0/) which permits any use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access page (https://us.sagepub.com/en-us/nam/open-access-at-sage).
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Julkaisun pysyvä osoite on
https://urn.fi/URN:NBN:fi:oulu-202502071504
https://urn.fi/URN:NBN:fi:oulu-202502071504
Tiivistelmä
Abstract
There is mixed evidence on personality differences among those born very preterm or with very low birth weight (VP/VLBW). This meta-analysis of individual participant data aimed to examine differences in personality traits between VP/VLBW (n = 568) and term-born (n = 1,060) adults, and the role of neonatal characteristics and neurosensory impairments in childhood, which have not been previously investigated. Six studies were identified from two research consortia and a systematic search of the literature (PubMed and Scopus); studies were eligible if they included VP/VLBW and term-born adults followed from birth and assessed personality using the Five-Factor Model. Risk of bias (Newcastle-Ottawa Scale) was generally not a concern apart from the use of self-reported measures and the rate of follow-up. Using a one-stage approach, VP/VLBW scored lower on extraversion and openness and higher on neuroticism and agreeableness than term-born participants after adjusting for sex and parental education. Within the VP/VLBW group, those with bronchopulmonary dysplasia scored lower on extraversion and higher on neuroticism, with similar findings after removing participants with neurosensory impairments. Altogether, these findings suggest that a proportion of the effect of VP/VLBW birth on personality may be attributed to neonatal morbidities and altered brain development, although other confounding factors require further research.
There is mixed evidence on personality differences among those born very preterm or with very low birth weight (VP/VLBW). This meta-analysis of individual participant data aimed to examine differences in personality traits between VP/VLBW (n = 568) and term-born (n = 1,060) adults, and the role of neonatal characteristics and neurosensory impairments in childhood, which have not been previously investigated. Six studies were identified from two research consortia and a systematic search of the literature (PubMed and Scopus); studies were eligible if they included VP/VLBW and term-born adults followed from birth and assessed personality using the Five-Factor Model. Risk of bias (Newcastle-Ottawa Scale) was generally not a concern apart from the use of self-reported measures and the rate of follow-up. Using a one-stage approach, VP/VLBW scored lower on extraversion and openness and higher on neuroticism and agreeableness than term-born participants after adjusting for sex and parental education. Within the VP/VLBW group, those with bronchopulmonary dysplasia scored lower on extraversion and higher on neuroticism, with similar findings after removing participants with neurosensory impairments. Altogether, these findings suggest that a proportion of the effect of VP/VLBW birth on personality may be attributed to neonatal morbidities and altered brain development, although other confounding factors require further research.
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