Related Experiment Videos
[Risk factors for psychomotor development among infants born under optimal biological conditions]
I de Andraca1, P Pino, A de la Parra
1Instituto de Nutrición y Tecnología de los Alimentos, Universidad de Chile, Santiago, Chile. iandraca@uec.inta.uchile.cl
Insights
Even with optimal biological conditions, adverse environmental factors significantly impact infant development. Home stimulation and accumulated risks are key predictors of lower cognitive and motor skills in children.
Area of Science:
- Developmental Psychology
- Pediatrics
- Environmental Health
Context:
- Focuses on low socioeconomic children with optimal biological conditions but adverse social circumstances.
- Investigates the impact of environmental risk factors on early childhood development.
Purpose:
- To evaluate the effect of various risk factors on infant development (mental and psychomotor).
- To identify specific environmental conditions negatively affecting development in infants.
Summary:
- Home stimulation, child temperament, maternal intelligence, and breastfeeding are linked to lower infant development scores.
- Home stimulation and child sex significantly predict developmental indexes, with 7+ risk factors causing substantial decreases.
- Combined risks in temperament, maternal IQ, paternal role, and home stimulation offer high predictive power for infant development.
Impact:
- Highlights the critical role of environmental factors in shaping infant development, even with good biological starting points.
- Suggests targeted interventions focusing on home environment and parental factors can mitigate negative developmental outcomes.
- Provides insights for public health policies aimed at supporting vulnerable populations and improving child developmental trajectories.
Objective:
The objective of this study is to evaluate the effect of risk factors on infant development, among low socioeconomic children born under optimal biological conditions, and who are exposed to adverse social circumstances.
Method:
Infants of both sexes, in the amount of 788, were studied and controlled prospectively at between 6 and 12 months. Their mental (MDI) and psychomotor (PDI) development was evaluated using the Bayley Scale of Infant Development. Eighteen risk factors were identified and dichotomized (high or low risk).
Results:
Breast feeding, child temperament, maternal intelligence and home stimulation are consistently associated with lower MDI and PDI. After adjustment for co-variables, home stimulation persisted as a significant factor for explaining the variation of both developmental indexes and child sex also appears as a risk factor for motor skills development. The accumulated effect of 7 or more risk factors is associated with a significant decrease of development scores. The combination of risk categories of child temperament, maternal IQ, paternal role and home stimulation shows higher prediction power for infant development than other combinations analyzed in this study.
Conclusion:
The findings suggest than even for children born under optimal biological conditions their psychomotor development is negatively affected by the presence of simultaneous adverse environmental conditions.