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1767 Validation of the Dutch 60 Months Ages and Stages Questionnaire (ASQ)
  1. J Hornman1,
  2. JM Kerstjens1,
  3. AF de Winter2,
  4. AF Bos1,
  5. SA Reijneveld2 Lollipop Study
  1. 1Department of Neonatology, Beatrix’s Children Hospital, University Medical Centre Groningen
  2. 2Department of Health Sciences, University Medical Centre Groningen, University of Groningen, Groningen, The Netherlands


Introduction The Ages and Stages Questionnaire (ASQ) is currently the most widely used parent-completed developmental screener. Psychometric properties of the Dutch ASQ 60-months version (Dutch_ASQ-60) have not yet been assessed.

Aim To assess the psychometric properties of the Dutch_ASQ-60.

Material and Methods Parents of 426 term-born and 1111 preterm-born children from the prospective cohort study Lollipop filled in the Dutch_ASQ-60 and a general questionnaire on educational problems, when the children were 57–63 months old. Dutch cut-off values, reliability and validity (content, construct and concurrent) of the Dutch_ASQ-60 were determined for both the original ASQ score (at least 1 abnormal ASQ Domain-score) and the ASQ-Total score. Furthermore mean domain scores of the Dutch_ASQ-60 were compared with versions in other languages.

Results There were no problems with content validity in an expert meeting. Cronbach’s alpha, as measure for reliability was 0.86 for the ASQ-total score. Male gender, prematurity, low paternal education, low family income and small-for-gestational-age (SGA) were associated with abnormal ASQ scores, confirming construct validity. Concurrent validity at age 5 for special educational needs was good for both the original ASQ score (sensitivity 80% and specificity 78%) and the ASQ-Total score (sensitivity 65% and specificity 94%). Area under the curve (AUC) for the ASQ-Total score was 0.86. Mean ASQ-scores for the Dutch_ASQ-60 differed only slightly from other countries: Cohen’s delta was above 0.5 for 3 out of 15 comparisons.

Conclusion The Dutch_ASQ-60 has good psychometric properties to screen for developmental problems at age 5 years.

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