[Methodological bases of the measurement of earlychildhood development in the Ensanut 100k survey].

Objective: The methods that were carried out for the inclusion of the early childhood development module in the Ensanut 100k are presented.

Materials And Methods: With this module and the questionnaire for children under five years-old, indicators of the state of health, development and well-being of children in the first five years of life are obtained. From November to December 2017, the sample design, instruments and manuals were defined and a test was carried out. Field staff were trained and standardized. The information was collected between January and June 2018.

Results: 3 892 children from 0 to 59 months of age were studied in the DIT Module of the Survey.

Conclusions: Training and standardization of field personnel, by trained and standardized personnel, minimizes information biases.