Leobardo Estrada

Learn More
The study objectives were to map the different stages of the nutrition transition for each department within Peru, and to determine the nutrition policy needs for each geographic area based on their current stage in the nutrition transition. Results show that most of the country is suffering from a double-burden of malnutrition, with high rates of stunting(More)
The authors examined 21 major health data systems of the U.S. Department of Health and Human Services (DHHS) and concluded that data on Hispanics are not included in several Departmental national health data collection systems, and that even when collected, data on Hispanic subpopulations are found in few of the systems. Of the 21 data systems, 6 do not(More)
The aim of this study was to examine the association between the local food environment and obesity proportions among 3- to 4-year-old children who were participants in the WIC program in Los Angeles County using spatial analyses techniques. ArcGIS, spatial analysis software, was used to compute the retail food environment index (RFEI) per ZIP code. GeoDa,(More)
CONTEXT The California Department of Education requires that kindergartners receive vision screening in preparation for school. Information is not available in the literature, however, on the prevalence of and factors associated with uncorrected refractive error (ie, the lack of eyeglasses), which is the primary cause of decreased visual acuity in children,(More)
  • 1