Araujo, María Caridad, et al. (2020). Ecuador Longitudinal Survey of Child Health and Development, Rounds 1-5 (2003-2014). IDB Open Data. https://doi.org/10.60966/a16j-sc59

1. English

What does this dataset measure?

This dataset tracks the evolution of child development and child health in Ecuador from early childhood through adolescence. It includes data on cognition, language, fine and gross motor skills, socio-emotional development, and key health indicators such as nutrition, growth, and disease incidence.

Over what years was the survey conducted?

The longitudinal survey began in 2003 and includes five follow-ups in 2005, 2008, 2011, and 2014, spanning more than a decade of continuous observation.

What is the purpose of this dataset?

The survey was designed to identify critical stages in child development—the moments when cognitive, health, and emotional gaps emerge—and to understand how these differences influence outcomes later in life. It provides evidence to inform the design of early childhood policies and programs in Ecuador.

Who conducted the survey?

The study was implemented by the Inter-American Development Bank’s Research Department (IDB) in collaboration with Ecuadorian institutions, forming one of the most comprehensive longitudinal efforts in the region.

What types of indicators are included?

Key indicators include:
- Physical growth: height, weight, and BMI
- Health outcomes: disease history, immunizations, and nutrition
- Cognitive measures: language, reasoning, and memory tests
- Socio-emotional skills: behavior, emotional regulation, and interaction scales
- School performance and attendance data

How is the data organized?

The dataset is structured by survey wave and individual ID, allowing users to link observations across years. It includes both child-level and household-level modules.

What can researchers do with these data?

Researchers can:
- Analyze long-term child health and development trajectories.
- Study how early-life conditions affect school achievement and later outcomes.
- Evaluate the effectiveness of early interventions and social programs.
- Model the impact of poverty and inequality on human capital formation.

How does this dataset contribute to policy?

By providing nationally relevant evidence on child development and health in Ecuador, this dataset supports the design of data-driven policies to enhance early education, nutrition, and access to healthcare.

Where can I find documentation and codebooks?

Detailed documentation is available in the files “Brief Description of Database” and “List of Variables”, which outline survey design, indicator definitions, and testing instruments.

What is the current state of child development in Ecuador?

The dataset shows longitudinal evidence on child health and development outcomes from 2003 to 2014. It highlights links between early nutrition, cognitive development, and later schooling and labor market outcomes.

How does poverty impact early childhood education in Ecuador?

The survey was designed to evaluate the Bono de Desarrollo Humano (BDH) cash transfer program. Results show that poverty reduction through BDH improved access to health and education services, influencing child development outcomes.

What is the difference between the early childhood education enrollment rates in rural vs urban Ecuador?

The dataset initially included both rural and urban households (2003, 2005). From 2008 onward, it focused on rural households, showing disparities in access and outcomes.

What are the best practices for implementing child development programs in rural Ecuador?

Findings suggest that interventions targeting nutrition, maternal education, and early stimulation are critical, as rural households showed persistent gaps in child outcomes.

What is the current status and statistics of early childhood development in Ecuador?

The dataset provides detailed indicators from 2003–2014, including cognition, language, motor skills, and socio-emotional development, measured with internationally validated tools adapted to Ecuador.

What is the impact of chronic malnutrition on cognitive development in Ecuadorian children?

The survey documents strong associations between early malnutrition and later deficits in schooling and skills, consistent with global evidence.

How has the Bono de Desarrollo Humano cash transfer affected child health metrics?

The 2005 evaluation concluded that BDH improved health and nutrition outcomes among beneficiary households, reducing vulnerability in early childhood.

What are the primary indicators used by Ecuador to measure child development progress?

The dataset includes cognition, language, fine and gross motor skills, socio-emotional development, and later schooling outcomes, measured through standardized tests.

What is the relationship between maternal education levels and child development outcomes in Ecuador?

Findings show maternal education is a strong predictor of child cognitive and schooling outcomes, reinforcing the importance of maternal human capital.

: How do poverty, water, sanitation, and housing conditions affect child health outcomes in Ecuador?

The dataset includes household-level indicators, showing that poor WASH conditions are associated with higher rates of malnutrition and worse child health outcomes.

What are the priority health risks for children that an international NGO worker should address in rural Ecuador?

The dataset highlights malnutrition, stunting, and limited access to quality early education as key risks in rural households.