Related Experiment Video
Updated: Jan 21, 2026
05:44
Gene-gun Transfection of Hippocampal Neurons
Published on: November 30, 2006
8.3K
Bolstering gun injury surveillance accuracy using capture-recapture methods
Lori Ann Post1, Zev Balsen2, Richard Spano3
1Northwestern Feinberg School of Medicine, Chicago, USA. Lori.Post@Northwestern.edu.
Journal of Behavioral Medicine
|August 2, 2019
Summary
Combining multiple data sources using capture-recapture methods significantly improves estimates of gun-related injuries. This approach, utilizing log-linear modeling, overcomes undercounts from single data sources for better public health surveillance.
Area of Science:
- Public Health
- Epidemiology
- Injury Prevention
Background:
- Single data sources, like police records, often undercount gun-related injuries.
- Accurate surveillance of gun violence is crucial for effective public health interventions.
Purpose of the Study:
- To enhance the accuracy of gun-related injury surveillance.
- To estimate the true incidence of gun injuries by integrating multiple data streams.
Main Methods:
- Employed capture-recapture methods to estimate undercounted gun incidents.
- Utilized data from law enforcement, emergency departments, EMS, media, and medical examiners.
- Applied log-linear modeling to control for dependencies between data sources.
Main Results:
- A total of 49 gun injuries were identified in New Haven, Connecticut.
- No single data source captured more than 43 injuries.
- Log-linear modeling estimated the actual incidence at 49.1 (95% CI 49-49.9).
Conclusions:
- Capture-recapture and log-linear modeling significantly improve gun-related injury estimates.
- Limitations exist in large, multi-state metropolitan areas due to data aggregation.
- Integrated data approaches are essential for comprehensive gun violence surveillance.
More Related Videos
Related Concept Videos
02:07Improving Translational Accuracy
14.1K
Base complementarity between the three base pairs of mRNA codon and the tRNA anticodon is not a failsafe mechanism. Inaccuracies can range from a single mismatch to no correct base pairing at all. The free energy difference between the correct and nearly correct base pairs can be as small as 3 kcal/ mol. With complementarity being the only proofreading step, the estimated error frequency would be one wrong amino acid in every 100 amino acids incorporated. However, error frequencies observed in...
14.1K
02:07Improving Translational Accuracy
3.6K
3.6K
03:37Uncertainty in Measurement: Accuracy and Precision
100.2K
Scientists typically make repeated measurements of a quantity to ensure the quality of their findings and to evaluate both the precision and the accuracy of their results. Measurements are said to be precise if they yield very similar results when repeated in the same manner. A measurement is considered accurate if it yields a result that is very close to the true or the accepted value. Precise values agree with each other; accurate values agree with a true value.
100.2K
01:26Principles of Disease Surveillance
479
Disease surveillance is the systematic collection, analysis, and interpretation of health data essential to the planning, implementation, and evaluation of public health practice. This process integrates data dissemination to entities responsible for preventing and controlling disease, injury, and disability. Surveillance systems provide crucial information for action, helping public health authorities make informed decisions to manage and prevent outbreaks, ensure public safety, optimize...
479
01:52Accuracy and Precision
14.3K
Scientists typically make repeated measurements of a quantity to ensure the quality of their findings and to evaluate both the precision and the accuracy of their results. Measurements are said to be precise if they yield very similar results when repeated in the same manner. A measurement is considered accurate if it yields a result that is very close to the true or the accepted value. Precise values agree with each other; accurate values agree with a true value. Highly accurate...
14.3K
01:28Accuracy, limits, and approximation
1.1K
Accuracy, limits, and approximations are common in many fields, especially in engineering calculations. These concepts are imperative for ensuring that a given value is as close as possible to its true value.
Accuracy is defined as the closeness of the measured value to the true or actual value. In engineering mechanics, repeated measurements are taken during theoretical or experimental analyses to ensure that the result is precise and accurate.
The accuracy of any solution is based on the...
Accuracy is defined as the closeness of the measured value to the true or actual value. In engineering mechanics, repeated measurements are taken during theoretical or experimental analyses to ensure that the result is precise and accurate.
The accuracy of any solution is based on the...
1.1K