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Emotional Regulation and Its Impact on Development in Extremely Low Birth Weight Infants

LOWE, JEAN Ph.D.; WOODWARD, BARBARA M.P.H., O.T.R.; PAPILE, LU-ANN M.D.

Journal of Developmental & Behavioral Pediatrics: June 2005 - Volume 26 - Issue 3 - p 209-213
Original Articles

ABSTRACT. The purposes of this study were to compare the Bayley Scales of Infant Development (BSID-II) scores at 8 and 18-22 months adjusted age of a cohort of 47 extremely low birth weight infants and to determine whether there was an association between changes in test scores and infant behavior as measured by the Behavioral Rating Scale of the BSID-II at 18-22 months adjusted age. Psychomotor Developmental Index scores did not differ between the two testing points (p = .17), whereas the Mental Developmental Index (MDI) scores dropped significantly (p = .006). Emotional regulation and low household income were both significantly associated with changes in MDI scores (p = .001 and p = .002, respectively). After adjusting for household income, the association between emotional regulation and changes in MDI scores remained significant (p = .02). Results suggest that infant behavioral characteristics, as well as family socioeconomic status, can adversely affect developmental outcome at 18-22 months adjusted age.

Department of Pediatrics, Division of Neonatology, University of New Mexico School of Medicine, Albuquerque, New Mexico

Received September 2003; accepted January 2005.

Address for reprints: Lu-Ann Papile, M.D., UNM Children's Hospital, Department of Pediatrics/Neonatology, MSC10 5590, 1 University of New Mexico, Albuquerque, NM 87131-0001; e-mail: papile@unm.edu.

© 2005 Lippincott Williams & Wilkins, Inc.