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Summary scores for the Neonatal Intensive Care Unit Network Neurobehavioral Scale were developed by using an approach that combined conceptual and statistical (coefficient α) aggregation of items and scores. The summary scores were first developed on a random selection of one half of the sample and then “replicated” on the second half of the sample. The 13 summary scores are described below. A higher score on each scale means a higher level of the construct. For example, a high score on hypertonia means that the infant was more hypertonic, and a high score on hypotonia means that the infant was more hypotonic. The α coefficients for the summary scores based on the 1211 scores from the Maternal Lifestyle Study data are shown in “Summary Statistics of Neonatal Intensive Care Unit Network Neurobehavioral Scale Manual” earlier in this issue.
- Received April 28, 2003.
- Accepted October 8, 2003.
- Copyright © 2004 by the American Academy of Pediatrics