Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Applications of GIS: Disaster Management and Emergency Response01:29

Applications of GIS: Disaster Management and Emergency Response

437
Geographic Information System (GIS) technology is essential for risk identification, action prioritization, and resource optimization in critical situations like flooding and earthquakes. By integrating spatial and demographic data, GIS provides a comprehensive framework for emergency response.GIS integrates data layers, like rainfall intensity, topography, elevation profiles, and river levels, to model high-risk flood zones. These layers assess areas susceptible to flooding based on their...
437
Assumptions of Survival Analysis01:15

Assumptions of Survival Analysis

385
Survival models analyze the time until one or more events occur, such as death in biological organisms or failure in mechanical systems. These models are widely used across fields like medicine, biology, engineering, and public health to study time-to-event phenomena. To ensure accurate results, survival analysis relies on key assumptions and careful study design.
385
Hazard Rate01:11

Hazard Rate

380
The hazard rate, also known as the hazard function or failure rate, is a statistical measure used to describe the instantaneous rate at which an event occurs, given that the event has not yet happened. From a probabilistic perspective, it represents the likelihood that a subject will experience the event in a very small time interval, conditional on surviving up to the beginning of that interval. In terms of frequency, the hazard rate can be viewed as the ratio of the number of events to the...
380
Relative Risk01:12

Relative Risk

1.8K
Relative risk (RR) is a statistical measure commonly used in epidemiology to compare the likelihood of a particular event occurring between two groups. This metric is important for evaluating the relationship between exposure to a specific risk factor and the probability of a particular outcome. It plays a crucial role in medical research, public health studies, and risk assessment. Relative risk quantifies how much more (or less) likely an event is to occur in an exposed group compared to an...
1.8K
Introduction To Survival Analysis01:18

Introduction To Survival Analysis

714
Survival analysis is a statistical method used to study time-to-event data, where the "event" might represent outcomes like death, disease relapse, system failure, or recovery. A unique feature of survival data is censoring, which occurs when the event of interest has not been observed for some individuals during the study period. This requires specialized techniques to handle incomplete data effectively.
The primary goal of survival analysis is to estimate survival time—the time...
714
Actuarial Approach01:20

Actuarial Approach

278
The actuarial approach, a statistical method originally developed for life insurance risk assessment, is widely used to calculate survival rates in clinical and population studies. This method accounts for participants lost to follow-up or those who die from causes unrelated to the study, ensuring a more accurate representation of survival probabilities.
Consider the example of a high-risk surgical procedure with significant early-stage mortality. A two-year clinical study is conducted,...
278

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

From the Guest Editor.

Delaware journal of public health·2026
Same author

Rural Community Perspectives on Hurricane Helene in Western North Carolina.

Journal of Appalachian health·2026
Same author

Modified Rapid Needs Assessments in Nebraska (USA) Following the 2024 Arbor Day Tornado.

Prehospital and disaster medicine·2026
Same author

Coordinated Community Response Frameworks During COVID-19: Challenges and Opportunities for Resilience Building.

Violence against women·2026
Same author

Community Assessment of Hurricane Helene Recovery in Rural Western North Carolina.

Prehospital and disaster medicine·2026
Same author

How Damage to Our Public Health Emergency Preparedness System Impacts Public Health Students.

American journal of public health·2026

Related Experiment Video

Updated: Jan 9, 2026

Inverse Probability of Treatment Weighting Propensity Score using the Military Health System Data Repository and National Death Index
06:55

Inverse Probability of Treatment Weighting Propensity Score using the Military Health System Data Repository and National Death Index

Published on: January 8, 2020

15.0K

Violent deaths following disasters: A retrospective analysis.

Sarah Elizabeth Scales1, Lauren C Camphausen2, Jennifer A Horney2

  • 1Department of Epidemiology, University of Nebraska Medical Center, Omaha, Nebraska, United States of America.

Plos One
|December 4, 2025
PubMed
Summary

Disaster exposure did not significantly increase violent deaths overall, but some specific events like severe storms in Wisconsin showed a rise in non-suicide deaths. Further research is needed as disasters become more frequent.

More Related Videos

Setup and Execution of the Rapid Cycle Deliberate Practice Death Notification Curriculum
04:36

Setup and Execution of the Rapid Cycle Deliberate Practice Death Notification Curriculum

Published on: August 5, 2020

4.7K
A Coupled Experiment-finite Element Modeling Methodology for Assessing High Strain Rate Mechanical Response of Soft Biomaterials
11:28

A Coupled Experiment-finite Element Modeling Methodology for Assessing High Strain Rate Mechanical Response of Soft Biomaterials

Published on: May 18, 2015

12.9K

Related Experiment Videos

Last Updated: Jan 9, 2026

Inverse Probability of Treatment Weighting Propensity Score using the Military Health System Data Repository and National Death Index
06:55

Inverse Probability of Treatment Weighting Propensity Score using the Military Health System Data Repository and National Death Index

Published on: January 8, 2020

15.0K
Setup and Execution of the Rapid Cycle Deliberate Practice Death Notification Curriculum
04:36

Setup and Execution of the Rapid Cycle Deliberate Practice Death Notification Curriculum

Published on: August 5, 2020

4.7K
A Coupled Experiment-finite Element Modeling Methodology for Assessing High Strain Rate Mechanical Response of Soft Biomaterials
11:28

A Coupled Experiment-finite Element Modeling Methodology for Assessing High Strain Rate Mechanical Response of Soft Biomaterials

Published on: May 18, 2015

12.9K

Area of Science:

  • Public Health
  • Epidemiology
  • Environmental Health

Background:

  • Disaster exposure is linked to negative mental health outcomes, potentially increasing violence risk.
  • The specific relationship between disaster exposure and violent death incidence remains unclear.

Purpose of the Study:

  • To evaluate the incidence of violent deaths during disaster and non-disaster periods.
  • To analyze five distinct natural disaster events across the U.S.

Main Methods:

  • Ecological, quasi-experimental design examining pre-disaster and disaster periods.
  • Utilized National Violent Death Reporting System data for five U.S. states.
  • Employed Poisson regression to compare violent death rates in affected and unaffected counties.

Main Results:

  • Violent death incidence remained consistent between disaster and non-disaster periods overall.
  • A significant increase in non-suicide and all-cause violent deaths was observed in Wisconsin following severe storms and flooding for specific counties.
  • Rate ratios were heterogeneous but not statistically significant across most individual disasters.

Conclusions:

  • Findings align with existing literature showing heterogeneous effects of disasters on violent deaths.
  • The increasing frequency and severity of disasters necessitate further investigation into their link with violent deaths and mental health outcomes.