Abstract
ObjectivesThe purpose of the current study was to adapt the Bayley Scales of Infant Development II for use as a screening measure that could be used by health care professionals in Low Middle Income (LMI) countries with 12month old infants to determine if they needed further assessment and early intervention. MethodsThe adaptations were made as part of a larger study of children participating in a home-based early intervention program in India, Pakistan, and Zambia. Using Item Response Theory, a brief 12month screener, with excellent sensitivity and specificity was identified. ResultsThe proposed 12month screener contains 7 mental/cognitive items and 5 motor items. Children who cannot perform more than 3 items on the mental scale (sensitivity 79%, specificity 85%) and/or 3 items on the motor scale (sensitivity 96%, specificity 95%) should be referred for further assessment. ConclusionThis screener can reliably be used to determine if a child needs further developmental assessment.
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