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A study of Baroda Development Screening Test for infants
P Phatak1, M Dhapre, A N Pandit
1Child Development Unit, K.E.M. Hospital, Pune.
Insights
The Baroda Development Screening Test for Infants demonstrates good screening accuracy. This tool is recommended for field use to identify developmental delays in infants.
Area of Science:
- Pediatrics
- Developmental Psychology
Background:
- The Baroda Development Screening Test for Infants (BDSTI) was developed using the 1961 Bayley Scales of Infant Development (BSID) research form and Baroda Norms.
- Accurate developmental screening is crucial for early identification of potential issues in infants.
Purpose of the Study:
- To evaluate the screening validity, sensitivity, and specificity of the BDSTI.
- To assess over-referral and under-referral rates in different screening scenarios.
- To provide recommendations for improving the BDSTI's application.
Main Methods:
- The BDSTI was assessed using three distinct samples of infants.
- Data included records from 1979-1984, a subset tested at six months, and a group screened via maternal interviews followed by expert full-scale testing.
- Statistical analysis focused on calculating screening validity, sensitivity, and specificity.
Main Results:
- Screening validity, sensitivity, and specificity exceeded 76%, 66%, and 77%, respectively.
- The highest rate of over-referrals (35%) was observed in the sample screened solely by maternal interview.
- The BDSTI showed promising performance across the evaluated samples.
Conclusions:
- The Baroda Development Screening Test for Infants is a reliable tool for developmental screening in pediatric settings.
- Improvements in screening methodology, particularly for interview-based assessments, are suggested.
- The BDSTI is recommended for broader field application and further evaluation.
Abstract:
Baroda Development Screening Test for Infants based on Baroda Norms on BSID-Research Form 1961 were studied at the Child Development Unit of the Department of Pediatrics in the K.E.M. Hospital, Pune. Screening validity, sensitivity, specificity, over-referrals and under-referrals were calculated in three samples--(i) 730 records of 130 babies evaluated on BSID-Baroda Norms during 1979 and December 1984; (ii) 101 records of babies tested at six months out of the first sample; and (iii) 50 babies screened by interviewing the mothers and tested on the full scales by the experts. Screening validity, sensitivity and specificity were more than 76, 66 and 77%, respectively. Over-referrals were highest (35%) in the sample screened by interview. Suggestions are made to improve the screening by interview. Baroda Development Screening Test for Infants is recommended for use in the field for further evaluation.