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Early Maturation of Motor-Delayed Children at School Age

Department of Pediatrics, University of Chicago

Jeffrey H. Snow, PhD

Capital Rehabilitation Hospital Talahasee, FL

Nancy J. Roizen, MD

Department of Pediatrics, University of Chicago

Karin J. Opacich, MHPE, OTR/L

Department of Related Health Programs, Rush University, Chicago, IL

Pasquale J. Accardo, MD

Department of Pediatrics, St Louis University, St Louis, MO

Children underwent motor and sensory testing during each of 3 consecutive years beginning at kindergarten entrance. Children were assigned to either a motor-normal or motor-delayed group based on results from testing during the 1st year of the study. Motor-normal subjects (n = 17) had standard scores on a global motor-sensory test that fell within one standard deviation of the mean. Motor-delayed subjects (n = 12) had a global motor-sensory test standard score indicating greater than one standard deviation of motor delay and, in addition, were delayed by a minimum of one standard deviation on four of five of the motor-sensory test subtests. At the conclusion of the 3-year study, the mean standard score of the motor-delayed group remained greater than one standard deviation below the performance of the motor-normal group as measured by the global motor-sensory test. Statistical analysis using repeated measures analysis of variance indicated that the motor-delayed group made gains but did not close the gap between themselves and the motor-normal group during the 3-year study. Group x time interaction effects showed that during the study, significant gain was made by the motor-delayed group on the motor coordination subtest of the motor-sensory test. The study supports the conclusion that motor-delayed children without early intervention fail to outgrow their motor delays by age 8 years. (J Child Neurol 1993;8:323-329).

Journal of Child Neurology, Vol. 8, No. 4, 323-329 (1993)
DOI: 10.1177/088307389300800406


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