Arch Dis Child Fetal Neonatal Ed 89:F445-F450 doi:10.1136/adc.2003.038943
  • Original article

Psychiatric symptoms and disorders in adolescents with low birth weight

  1. M S Indredavik1,
  2. T Vik2,
  3. S Heyerdahl3,
  4. S Kulseng4,
  5. P Fayers5,
  6. A-M Brubakk4
  1. 1Department of Neuroscience, Norwegian University of Science and Technology, Trondheim, Norway
  2. 2Department of Community Medicine and General Practice, Norwegian University of Science and Technology
  3. 3Regional Centre for Child and Adolescent Psychiatry, Oslo, Norway
  4. 4Department of Laboratory Medicine, Children’s and Women’s Health, Norwegian University of Science and Technology
  5. 5Unit for applied Clinical Research, Norwegian University of Science and Technology and Institute of Applied Health Sciences, University of Aberdeen, UK
  1. Correspondence to:
    Dr Indredavik
    Department of Neuroscience, Medisinsk teknisk forskningssenter, NO-7489 Trondheim, Norway;
  • Accepted 6 November 2003


Objective: To evaluate the prevalence of psychiatric symptoms and disorders associated with low birth weight.

Design/study groups: A population based follow up study of 56 very low birthweight (VLBW: birth weight ⩽ 1500 g), 60 term small for gestational age (SGA: birth weight < 10th centile), and 83 term control (birth weight ⩾ 10th centile) children at 14 years of age.

Outcome measures: Schedule for affective disorders and schizophrenia for school aged children, attention deficit/hyperactivity disorder (ADHD) rating scale IV, autism spectrum screening questionnaire, and children’s global assessment scale.

Results: VLBW adolescents had a higher prevalence of psychiatric symptoms (46%) than controls (13%) (odds ratio (OR) 5.7, 95% confidence interval (CI) 2.5 to 13.0) and more psychiatric disorders (25%) than controls (7%) (OR 4.3, 95%CI 1.5 to 12.0), especially anxiety disorders. Although 25% of the VLBW adolescents had attention problems, ADHD was diagnosed in only 7%. Four VLBW adolescents had symptoms of Asperger’s disorder, and the VLBW group had a higher sum score than controls on the autism spectrum screening questionnaire. Although more SGA adolescents had psychiatric symptoms than controls (23% v 13%), the difference was not statistically significant. Results remained essentially the same when adolescents with low estimated intelligence quotient were excluded, and persisted after possible psychosocial confounders had been controlled for.

Conclusion: VLBW, but not SGA adolescents, have a high risk of developing psychiatric symptoms and disorders by the age of 14, especially attention deficit, anxiety symptoms, and relational problems.


  • Department of Child and Adolescent Psychiatry, Norwegian University of Science and Technology supported this study.

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