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Cognitive performance in childhood and early adult illness: a prospective cohort study
  1. Laurie T Martin1,
  2. Garrett M Fitzmaurice2,
  3. Daniel J Kindlon3,
  4. Stephen L Buka3
  1. 1Department of Epidemiology, Harvard School of Public Health, Boston, USA
  2. 2Department of Biostatistics, Harvard School of Public Health
  3. 3Department of Society, Human Development and Health, Harvard School of Public Health
  1. Correspondence to:
 Dr L T Martin
 Department of Epidemiology, Harvard School of Public Health, Kresge Building 602, 677 Huntington Avenue, Boston, MA 02115, USA; lthayerhsph.harvard.edu

Abstract

Study objective: To evaluate whether cognitive performance in childhood is an early determinant of adult illness.

Design: Prospective cohort study covering over 30 years.

Setting: Providence, Rhode Island, USA.

Participants: 633 people ages 30–39 followed up since birth as part of the Providence cohort of the national collaborative perinatal project.

Main results: Higher cognitive performance at age 7 was related to a significantly reduced risk of serious illness in adulthood, OR = 0.65 (95%CI: 0.47 to 0.89) for a one standard deviation (15 point) increase in IQ score. This association was independent of both parental socioeconomic status and participant’s attained level of education.

Conclusions: General cognitive performance may be an important and informative early determinant of adult health. Further evaluation of this association and mechanisms linking cognitive performance and health may provide new and innovative strategies to improve disease management and reduce morbidity.

  • SES, socioeconomic status
  • NCPP, national collaborative perinatal project
  • FSIQ, full scale IQ
  • GED, general educational development degree
  • LBW, low birth weight
  • adult illness
  • cognitive performance
  • longitudinal study

https://doi.org/10.1136/jech.2003.016444

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    Footnotes

    • Funding: support for this research was provided by the training program in psychiatric epidemiology, grant number T32 MH17119, and MCHB grant number 5T76 MC 00001 (formerly MCH201).

    • Conflicts of interest: none declared.

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