Creation of the WHO Indicators of Infant and Young Child Development (IYCD):metadata synthesis across 10 countries

Lancaster, Gillian A and McCray, Gareth and Kariger, Patricia and Dua, Tarun and Titman, Andrew and Chandna, Jaya and McCoy, Dana and Abubakar, Amina and Hamadani, Jena Derakhshani and Fink, Günther and Tofail, Fahmida and Gladstone, Melissa and Janus, Magdalena (2018) Creation of the WHO Indicators of Infant and Young Child Development (IYCD):metadata synthesis across 10 countries. BMJ Global Health, 3 (5). ISSN 2059-7908

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Abstract

Background: Renewed global commitment to the improvement of early child development outcomes, as evidenced by the focus of the United Nations Sustainable Development Goal 4, highlights an increased need for reliable and valid measures to evaluate preventive and interventional efforts designed to affect change. Our objective was to create a new tool, applicable across multicultures, to measure development from 0 to 3 years through metadata synthesis. Methods: Fourteen cross-sectional data sets were contributed on 21 083 children from 10 low/middle-income countries (LMIC), assessed using seven different tools (caregiver reported or directly assessed). Item groups, measuring similar developmental skills, were identified by item mapping across tools. Logistic regression curves displayed developmental trajectories for item groups across countries and age. Following expert consensus to identify well-performing items across developmental domains, a second mapping exercise was conducted to fill any gaps across the age range. The first version of the tool was constructed. Item response analysis validated our approach by putting all data sets onto a common scale. Results: 789 individual items were identified across tools in the first mapping and 129 item groups selected for analysis. 70 item groups were then selected through consensus, based on statistical performance and perceived importance, with a further 50 items identified at second mapping. A tool comprising 120 items (23 fine motor, 23 gross motor, 20 receptive language, 24 expressive language, 30 socioemotional) was created. The linked data sets on a common scale showed a curvilinear trajectory of child development, highlighting the validity of our approach through excellent coverage by age and consistency of measurement across contributed tools, a novel finding in itself. Conclusions: We have created the first version of a prototype tool for measuring children in the early years, developed using novel easy to apply methodology; now it needs to be feasibility tested and piloted across several LMICs.

Item Type:
Journal Article
Journal or Publication Title:
BMJ Global Health
ID Code:
128720
Deposited By:
Deposited On:
01 Nov 2018 13:52
Refereed?:
Yes
Published?:
Published
Last Modified:
23 Sep 2020 04:45