Behavioral inhibition and behavioral approach in young adults with very low birth weight - The Helsinki study of very low birth weight adults

Riikka Pyhälä, Katri Räikkönen, Anu Katriina Pesonen, Kati Heinonen, Petteri Hovi, Johan G. Eriksson, Anna Liisa Järvenpää, Sture Andersson, Eero Kajantie

Research output: Contribution to journalArticleScientificpeer-review

26 Citations (Scopus)

Abstract

Susceptibility to emotional and behavioral problems that has been described among young adults with very low birth weight (VLBW ≤1500 g) may be affected by an individual's personality. However, little is known about the association between VLBW and personality in adulthood. The aim of this study was to test whether young adults with VLBW differ from those born at term in sensitivities of the behavioral inhibition system (BIS) and behavioral approach system (BAS). We compared 164 VLBW young adults, of whom 54 were born small for gestational age (SGA, <-2 SD) and 110 appropriate for gestational age (AGA, -2 to +2 SD), with 172 term controls. Behavioral inhibition and behavioral approach were assessed with the BIS/BAS Scales. The VLBW participants scored lower than the controls on BAS-related fun seeking. Further, the VLBW-SGA women scored higher than the control women on behavioral inhibition and the VLBW-SGA men scored higher than the VLBW-AGA men on BAS-related drive. Results remained similar after adjustment for major confounders (age, body mass index and parental education). Our results indicate that perinatal conditions such as severely preterm birth and small birth weight for gestational age may be related to differences in adulthood personality.

Original languageEnglish
Pages (from-to)106-110
Number of pages5
JournalPERSONALITY AND INDIVIDUAL DIFFERENCES
Volume46
Issue number2
DOIs
Publication statusPublished - Jan 2009
Externally publishedYes
Publication typeA1 Journal article-refereed

Keywords

  • Behavioral approach
  • Behavioral inhibition
  • Personality
  • Prematurity
  • Very low birth weight

ASJC Scopus subject areas

  • General Psychology

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