We aggregated flood risk variables from First Street Foundation data by census tract and used principal component analysis to derive a set of 5 interpretable flood risk factors. The dependent variables were census-tract level disease prevalences generated by the Centers for Disease Control and ...
The Neighborhood Change Database (NCDB) 2020 has Census Tract level data from 1970, 1980, 1990, 2000, 2010 and now 2020. In addition to having the data in the year-specific boundaries it also has them all normalized to the 2020 tract boundaries. This means that you can easily analyze cha...
data should be geocoded or estimated at the most-resolved spatial level; census tract and larger zones have little if any ability to represent intraurban... S Batterman,S Chambliss,V Isakov - 《Atmospheric Environment》 被引量: 18发表: 2014年 Internet marketing research: resources and techniqu...
Census tract data Demographic data split by census tract were obtained from the 2019 ACS five-year roll-up. The proportion of census tract populations that fell into a specific socio-economic grouping was computed by dividing the counts of each group by the total census tract population. The gr...
Census Tracts (TRACT) This file contains data on Census Tracts which are small and relatively permanent statistical subdivisions of a county or equivalent entity. Tract population size is generally between 1,200 and 8,000 people with an ideal size of 4,000. Boundaries tend to follow visible and...
Here's the trick: the census tract layer will not display unless you are zoomed in to an area no larger than a state. If you zoom out further, you will see the data displayed at a county or state level. Start by zooming in to the Baltimore-Washington region to demonstrate how the t...
摘要: Epidemiology instruction has expanded at the undergraduate level in part because it increases student critical thinking and scientific literacy, promotes students' perception of public health as both practical and relevant, and empowers students as independent, lifelong learners. Why then are more...
Documentation of insulin pump use has also been an issue in other administrative data sets.67 Fourth, the COI uses Census tract data, which may not align with how individuals perceive their neighborhood boundaries. This factor is important to recognize as interventions aimed at addressing health ...
Using hierarchical linear modeling, we analyzed data from the 2004 Health and Retirement Study, a large, nationally representative sample of US adults aged 50 years or older. We linked participant data with 2000 US Census tract data and 2004 census tract-level annual average PM2.5 concentrations...
The majority are likely assault related: a test case validation using US Census tract level counts of GVA assault-related shootings correlated at 0.98 with Philadelphia police data for assault-related shootings.20 Study Setting Using GVA data, we selected the 100 cities with the greatest counts of...