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Very Preterm Children Who Do Not Cooperate With Assessments at Three Years of Age: Skill Differences at Five Years

&NA; This study examined skill differences at 5 years of age for very preterm children who were or were not cooperative with developmental testing at 3 years of age. All children born between 1986 and 1991 who were less than 30 weeks of gestation were followed prospectively. Two hundred one children were seen at both the 3‐ and 5‐year assessments. Of the 201 children, 24 (11.9%) who had been uncooperative in the assessment at 3 years were seen at 5 years. Uncooperative children were matched to a group of cooperative children for sex, gestation, and/or birth weight. Nonparametric analyses revealed that scores on the Binet Pattern Analysis (p < .01) and the Bead Memory (p < .01) subtests were significantly different between the groups. The uncooperative children scored significantly more often in the at‐risk range for tests of minor neurological dysfunction (MND; p < .01) compared with cooperative matched controls. The authors speculate that in very preterm children, uncooperative behavior shown at 3 years of age associated with poor visual/spatial skills and a high level of MND at 5 years of age may reveal children at risk for the development of nonverbal learning disabilities.