Search the Site
-
Join 1,585 other subscribers
-
Recent Publications
Facebook Page
Category Archives: Methods
Expanding the BEH Research Portfolio
This summer we had the good fortune to start working with Emergent BioSolutions and have recently completed our first round of deliverables: an abstract accepted to the American Public Health Association (APHA) conference; and a paper on new methods to … Continue reading
Posted in Injury, Methods, Pedestrian Injury, Safety, Transportation
Leave a comment
Mr. Robot Hallucinates: Using ChatGPT-4 to Analyze Unstructured Clinical Notes in Electronic Medical Records
The Columbia Population Research Center’s Computing and Methods Core has been developing a series of research methods use cases for Large Language Model generative AI tools, largely focusing on ChatGPT-4. Our first case study was just published in JAMA Network … Continue reading
Posted in Active Transport, Injury, Methods, Safety, Tools
Leave a comment
A flexible matching strategy for matched nested case-control studies
Continuing our work on developing epidemiology methods we recently published a paper in Annals of Epidemiology describing a new approach to matching, that we call “flex matching”, in nested case-control studies. We show that flex matching prevents over matching, which … Continue reading
Posted in Methods, Teaching, Uncategorized
Leave a comment
Causal Inference with Case-Only Studies in Injury Epidemiology Research.
We recently published a paper in Current Epidemiology Reports describing how the case-only design is commonly misinterpreted in injury epidemiology. Due to the availability of registries and Emergency Department medical record databases, case-only studies are common in the injury epidemiology … Continue reading
Posted in Injury, Methods, Safety, Teaching
Leave a comment
Registry Data in Injury Research: Study Designs and Interpretation
We recently published a paper in Current Epidemiology Reports on the use of registry data in injury epidemiology. Injury data are frequently captured in registries that form a census of 100% of known cases that meet specified inclusion criteria. We … Continue reading
Posted in Injury, Methods, Uncategorized
Leave a comment
Machine Learning Approaches for Measuring Neighborhood Environments in Epidemiologic Studies
We recently published a review article in Current Epidemiology Reports describing the use of machine learning to measure neighborhood environments in epidemiologic studies. Innovations in information technology, initiatives by local governments to share administrative data, and growing inventories of data … Continue reading
Posted in Methods, Street View
Leave a comment
Maintaining patient privacy while geocoding patient addresses: Do Not Use R to Geocode
Imagine if a clinical researcher were to disclose a list of patient addresses to a third-party – government agency, for profit company or not-for-profit entity – that was outside of their hospital or health system. Imagine the researcher then publicly … Continue reading
Posted in Health Care Access, Methods, Tools
Leave a comment
Improving the measurement of Neighborhood Physical Disorder
Neighborhood audit methods (AKA Systematic Social Observation) are often used to create measures of neighborhood built and social environments. But even with the enhanced efficiency of virtual neighborhood audit methods using CANVAS-Street View, it is generally not possible to collect … Continue reading
Posted in CANVAS, Methods, Street View, Tools
Leave a comment
Newly Funded Work on Pedestrian Injury
We have recently been funded by NIH to conduct a four-year study of how urban design, the locations of alcohol selling establishments, night life districts and locations of services for the homeless influence pedestrian fatality risk. We will be conducting … Continue reading
Measuring Neighborhood Walkability across Communities in the U.S. Over the Past Three Decades
The evidence on links between neighborhood walkability and physical activity and body mass index remains limited because there have been few longitudinal studies with repeated measures of neighborhood walkability and health behavior and outcomes. While large cohort studies with long-term … Continue reading
Built Environment and Health Research Group 