Received: 9 May 2019
Accepted: 21 April 2020
First Online: 14 May 2020
Ethics approval and consent to participate
: The school height and weight census was approved by the Ministry of Education and Ministry of Health as a government mandate to monitor the nutritional status of the children [CitationRef removed]. The height and weight school census was publicly announced by both ministries, and the results were disseminated [CitationRef removed, CitationRef removed]. Informed consent (written or verbal) in national height and weight school censuses from El Salvador are not requested. Schools were responsible for informing parents (verbally) through students about the nutritional evaluation carried out in the census. The student name was not recorded during data collection. Finally, for this study, the dataset was obtained from the ministry of health.
: Not applicable.
: The authors declare that they have no competing interests.