Determinants of cognitive function in childhood: A cohort study in a middle income context
2008

Factors Affecting Children's Cognitive Development in Brazil

Sample size: 346 publication Evidence: high

Author Information

Author(s): Santos Darci N, Assis Ana Marlúcia O, Bastos Ana Cecília S, Santos Letícia M, Santos Carlos Antonio ST, Strina Agostino, Prado Matildes S, Almeida-Filho Naomar M, Rodrigues Laura C, Barreto Mauricio L

Primary Institution: Federal University of Bahia, Salvador, Brazil

Hypothesis

Family material resources and status would be important determinants of cognitive outcomes among poor urban Brazilian children.

Conclusion

Interventions promoting early psychosocial stimulation and preschool experience could significantly enhance children's cognitive development in urban contexts of developing countries.

Supporting Evidence

  • Unfavorable socioeconomic conditions were negatively associated with cognitive performance.
  • High levels of domestic stimulation and preschool attendance were positively associated with cognitive scores.
  • Children with low birth weight showed lower cognitive performance.

Takeaway

Kids who have more toys and go to preschool do better in school. If we help families with low income, kids can learn better.

Methodology

This cohort study collected data on family socioeconomic status, household and neighborhood conditions, child health, and psychosocial stimulation, analyzing their effects on cognitive scores using multivariable hierarchical analysis.

Potential Biases

Potential biases may arise from unobserved covariates associated with the blocks for psychosocial stimulation and cognitive score.

Limitations

The study is observational and may not account for all confounding factors.

Participant Demographics

Children aged 5 years, with 55% being boys; 80% reported previous or current preschool attendance.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2458-8-202

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