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Validation of a parent report measure of cognitive development in very preterm infants

Published online by Cambridge University Press:  20 May 2004

Samantha Johnson ,
Neil Marlow ,
Dieter Wolke ,
Leslie Davidson ,
Louise Marston ,
Ann O'Hare ,
Janet Peacock  and
Jane Schulte
Samantha Johnson
Affiliation:
University of Nottingham, UK.
Neil Marlow
Affiliation:
University of Nottingham, UK.
Dieter Wolke
Affiliation:
Avon Longitudinal Study of Parents and Children, University of Bristol, UK.
Leslie Davidson
Affiliation:
Heilbrunn Department of Population and Family Health, Mailman School of Public Health, Columbia University, NY, USA.
Louise Marston
Affiliation:
Department of Community Health Sciences, St George's Hospital Medical School, London, UK.
Ann O'Hare
Affiliation:
Royal Hospital for Sick Children, University of Edinburgh, UK.
Janet Peacock
Affiliation:
Department of Community Health Sciences, St George's Hospital Medical School, London, UK.
Jane Schulte
Affiliation:
North Bristol Trust, Bristol, UK.
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Abstract

Parental report may provide an inexpensive alternative to standardized assessments of children's development. We have adapted and validated a parental questionnaire on cognitive development for use with very preterm infants. Sixty-four 2-year-olds (28 males, 36 females) born less than 30 weeks' gestation (median 28.5 weeks, range 23 to 31 weeks), median birthweight 980g (range 500 to 1905g) were assessed using the Mental Development Index (MDI) of the Bayley Scales of Infant Development-II and the parental questionnaire. Significant correlations between parent report and MDI scores (r=0.54–0.68, p<0.001) indicated good concurrent validity. Diagnostic use of the parent report for predicting an MDI score of less than 70 was assessed by using receiver operating characteristic (ROC) curves. The optimal cut off produced equal sensitivity and specificity (81%), indicating good discriminatory power in diagnosing developmental delay. Test–retest reliability was demonstrated and accuracy of parent reporting was not affected by sociodemographic factors. Our questionnaire provides a valid outcome measure for use in randomized trials or large population surveys.

Type
Original Articles
Information
Developmental Medicine and Child Neurology , Volume 46 , Issue 6 , June 2004 , pp. 389 - 397
Copyright
© 2004 Mac Keith Press

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