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Home Publications The socio-economic gradient of child development: cross-sectional evidence from children 6-42 months in Bogota

The socio-economic gradient of child development: cross-sectional evidence from children 6-42 months in Bogota

Orazio Attanasio, Sally Grantham-McGregor, Costas Meghir, Marta Rubio Codina and Natalia Varela
Journal article

We study the socioeconomic gradient of child development on a sample of low- and middle-income children aged 6–42 months in Bogota using the Bayley Scales of Infant and Toddler Development. We find an average difference of 0.53, 0.42, and 0.49 standard deviations (SD) in cognition, receptive, and expressive language respectively, between children in the top and bottom quartile of the wealth distribution. These gaps increase substantially to 0.81 SD (cognition), 0.76 SD (receptive language), and 0.68 SD (expressive language) for children aged 31–42 months. These robust findings can inform the design and targeting of interventions promoting early childhood development.

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Journal article
The objective of this paper is to assess the effectiveness of an integrated early child development intervention, combining stimulation and micronutrient supplementation and delivered on a large scale in Colombia, for children’s development, growth, and hemoglobin levels.
IFS Working Paper W14/11
We study the socio-economic gradient of child development on a representative sample of low- and middle-income children aged 6-42 months in Bogota, using the Bayley Scales of Infant Development, a high quality test based on direct observation of the child’s abilities.