Caregiver-reported newborn term and preterm motor abilities: psychometrics of the PediaTrac TM Motor domain

Approximately 5-10% of children exhibit developmental deviations in motor skills or other domains; however, physicians detect less than one-third of these abnormalities. Systematic tracking and early identification of motor deviations are fundamental for timely intervention. Term and preterm neonate...

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Bibliographic Details
Published in:Pediatric research 2023-05, Vol.93 (6), p.1736
Main Authors: Lajiness-O'Neill, Renee, Raghunathan, Trivellore, Berglund, Patricia, Huth-Bocks, Alissa, Taylor, H Gerry, Staples, Angela D, Brooks, Judith, Lukomski, Angela, Gidley Larson, Jennifer C, Warschausky, Seth
Format: Article
Language:English
Subjects:
Caregivers
Humans
Infant
Infant, Newborn
Infant, Premature
Motor Skills
Psychometrics
Reproducibility of Results
Surveys and Questionnaires
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Summary:Approximately 5-10% of children exhibit developmental deviations in motor skills or other domains; however, physicians detect less than one-third of these abnormalities. Systematic tracking and early identification of motor deviations are fundamental for timely intervention. Term and preterm neonates were prospectively assessed at the newborn (NB) period in a study of the psychometric properties of the Motor (MOT) domain of PediaTrac v3.0, a novel caregiver-based development tracking instrument. Item response theory graded response modeling was used to model item parameters and estimate theta, an index of the latent trait, motor ability. Exploratory factor analysis (EFA) was conducted to examine the dimensionality and factor structure. In a cohort of 571 caregiver/infant dyads (331 term, 240 preterm), NB MOT domain reliability was high (rho = 0.94). Item discrimination and item difficulty of each of the 15 items could be reliably modeled across the range of motor ability. EFA confirmed that the items constituted a single dimension with second-order factors, accounting for 43.20% of variance. The latent trait, motor ability, could be reliably estimated at the NB period. The caregiver-reported Motor domain of PediaTrac provides a reliable estimate of the latent trait of motor ability during the newborn period. This is the first known caregiver-reported instrument that can assess motor ability in the newborn period with high reliability in term and preterm infants. Item response theory methods were employed that will allow for future characterization of developmental subgroups and motor trajectories. The PediaTrac Motor domain can support early identification of at-risk infants. Including caregivers in digital reporting and child-centered monitoring of motor functioning may improve access to care.
ISSN:1530-0447