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Featured researches published by Natalie L. Semon.


PLOS ONE | 2011

Characterizing Hospital Workers' Willingness to Respond to a Radiological Event

Ran D. Balicer; Christina L. Catlett; Daniel J. Barnett; Carol B. Thompson; Edbert B. Hsu; Melinda J. Morton; Natalie L. Semon; Christopher M. Watson; Howard S. Gwon; Jonathan M. Links

Introduction Terrorist use of a radiological dispersal device (RDD, or “dirty bomb”), which combines a conventional explosive device with radiological materials, is among the National Planning Scenarios of the United States government. Understanding employee willingness to respond is critical for planning experts. Previous research has demonstrated that perception of threat and efficacy is key in the assessing willingness to respond to a RDD event. Methods An anonymous online survey was used to evaluate the willingness of hospital employees to respond to a RDD event. Agreement with a series of belief statements was assessed, following a methodology validated in previous work. The survey was available online to all 18,612 employees of the Johns Hopkins Hospital from January to March 2009. Results Surveys were completed by 3426 employees (18.4%), whose demographic distribution was similar to overall hospital staff. 39% of hospital workers were not willing to respond to a RDD scenario if asked but not required to do so. Only 11% more were willing if required. Workers who were hesitant to agree to work additional hours when required were 20 times less likely to report during a RDD emergency. Respondents who perceived their peers as likely to report to work in a RDD emergency were 17 times more likely to respond during a RDD event if asked. Only 27.9% of the hospital employees with a perception of low efficacy declared willingness to respond to a severe RDD event. Perception of threat had little impact on willingness to respond among hospital workers. Conclusions Radiological scenarios such as RDDs are among the most dreaded emergency events yet studied. Several attitudinal indicators can help to identify hospital employees unlikely to respond. These risk-perception modifiers must then be addressed through training to enable effective hospital response to a RDD event.


Health Communication | 2014

EPPM and willingness to respond: the role of risk and efficacy communication in strengthening public health emergency response systems.

Daniel J. Barnett; Carol B. Thompson; Natalie L. Semon; Nicole A. Errett; Krista L. Harrison; Marilyn K. Anderson; Justin L. Ferrell; Jennifer M. Freiheit; Robert Hudson; Mary McKee; Alvaro Mejia-Echeverry; James Spitzer; Ran D. Balicer; Jonathan M. Links; J. Douglas Storey

This study examines the attitudinal impact of an Extended Parallel Process Model (EPPM)-based training curriculum on local public health department (LHD) workers’ willingness to respond to representative public health emergency scenarios. Data are from 71 U.S. LHDs in urban and rural settings across nine states. The study explores changes in response willingness and EPPM threat and efficacy appraisals between randomly assigned control versus intervention health departments, at baseline and 1 week post curriculum, through an EPPM-based survey/resurvey design. Levels of response willingness and emergency response-related attitudes/beliefs are measured. Analyses focus on two scenario categories that have appeared on a U.S. government list of scenarios of significant concern: a weather-related emergency and a radiological “dirty” bomb event (U.S. Department of Homeland Security, 2007). The greatest impact from the training intervention on response willingness was observed among LHD workers who had low levels of EPPM-related threat and efficacy perceptions at baseline. Self-efficacy and response efficacy and response willingness increased in intervention LHDs for both scenarios, with greater response willingness increases observed for the radiological “dirty” bomb terrorism scenario. Findings indicate the importance of building efficacy versus enhancing threat perceptions as a path toward greater response willingness, and suggest the potential applicability of such curricular interventions for boosting emergency response willingness among other cadres of health providers.


Prehospital and Disaster Medicine | 2013

Guided preparedness planning with lay communities: enhancing capacity of rural emergency response through a systems-based partnership

O. Lee McCabe; Charlene Perry; Melissa Azur; Henry G. Taylor; Howard S. Gwon; Adrian Mosley; Natalie L. Semon; Jonathan M. Links

INTRODUCTION Community disaster preparedness plans, particularly those with content that would mitigate the effects of psychological trauma on vulnerable rural populations, are often nonexistent or underdeveloped. The purpose of the study was to develop and evaluate a model of disaster mental health preparedness planning involving a partnership among three, key stakeholders in the public health system. METHODS A one-group, post-test, quasi-experimental design was used to assess outcomes as a function of an intervention designated Guided Preparedness Planning (GPP). The setting was the eastern-, northern-, and mid-shore region of the state of Maryland. Partner participants were four local health departments (LHDs), 100 faith-based organizations (FBOs), and one academic health center (AHC)-the latter, collaborating entities of the Johns Hopkins University and the Johns Hopkins Health System. Individual participants were 178 community residents recruited from counties of the above-referenced geographic area. Effectiveness of GPP was based on post-intervention assessments of trainee knowledge, skills, and attitudes supportive of community disaster mental health planning. Inferences about the practicability (feasibility) of the model were drawn from pre-defined criteria for partner readiness, willingness, and ability to participate in the project. Additional aims of the study were to determine if LHD leaders would be willing and able to generate post-project strategies to perpetuate project-initiated government/faith planning alliances (sustainability), and to develop portable methods and materials to enhance model application and impact in other health jurisdictions (scalability). RESULTS The majority (95%) of the 178 lay citizens receiving the GPP intervention and submitting complete evaluations reported that planning-supportive objectives had been achieved. Moreover, all criteria for inferring model feasibility, sustainability, and scalability were met. CONCLUSIONS Within the span of a six-month period, LHDs, FBOs, and AHCs can work effectively to plan, implement, and evaluate what appears to be an effective, practical, and durable model of capacity building for public mental health emergency planning.


Journal of Public Health Management and Practice | 2014

The Development of a Model of Psychological First Aid for Non-Mental Health Trained Public Health Personnel: The Johns Hopkins RAPID-PFA

George S. Everly; O. Lee McCabe; Natalie L. Semon; Carol B. Thompson; Jonathan M. Links

INTRODUCTION The Johns Hopkins Center for Public Health Preparedness, which houses the Centers for Disease Control and Prevention-funded Preparedness and Emergency Response Learning Center, has been addressing the challenge of disaster-caused behavioral health surge by conducting training programs in psychological first aid (PFA) for public health professionals. This report describes our approach, named RAPID-PFA, and summarizes training evaluation data to determine if relevant knowledge, skills, and attitudes are imparted to trainees to support effective PFA delivery. BACKGROUND/RATIONALE In the wake of disasters, there is an increase in psychological distress and dysfunction among survivors and first responders. To meet the challenges posed by this surge, a professional workforce trained in PFA is imperative. METHODS/ACTIVITY More than 1500 participants received a 1-day RAPID-PFA training. Pre-/postassessments were conducted to measure (a) required knowledge to apply PFA; (b) perceived self-efficacy, that is, belief in ones own ability, to apply PFA techniques; and (c) confidence in ones own resilience in a crisis context. Statistical techniques were used to validate the extent to which the survey successfully measured individual PFA constructs, that is, unidimensionality, and to quantify the reliability of the assessment tool. RESULTS/OUTCOME Statistically significant pre-/postimprovements were observed in (a) knowledge items supportive of PFA delivery, (b) perceived self-efficacy to apply PFA interventions, and (c) confidence about being a resilient PFA provider. Cronbach alpha coefficients ranging from 0.87 to 0.90 suggested that the self-reported measures possessed sufficient internal consistency. DISCUSSION Findings were consistent with our pilot work, and with our complementary research initiatives validating a variant of RAPID-PFA with faith communities. LESSONS LEARNED/NEXT STEPS The RAPID-PFA model promises to be a broadly applicable approach to extending community behavioral health surge capacity. Relevant next steps include evaluating the effectiveness of trained providers in real crisis situations, and determining if PFA training may have potential beyond the disaster context.


Public Health Reports | 2014

An academic-government-faith partnership to build disaster mental health preparedness and community resilience

O. Lee McCabe; Natalie L. Semon; Jeffrey M. Lating; George S. Everly; Charlene Perry; Suzanne Straub Moore; Adrian Mosley; Carol B. Thompson; Jonathan M. Links

Objectives. Faculty and affiliates of the Johns Hopkins Preparedness and Emergency Response Research Center partnered with local health departments and faith-based organizations to develop a dual-intervention model of capacity-building for public mental health preparedness and community resilience. Project objectives included (1) determining the feasibility of the tri-partite collaborative concept; (2) designing, delivering, and evaluating psychological first aid (PFA) training and guided preparedness planning (GPP); and (3) documenting preliminary evidence of the sustainability and impact of the model. Methods. We evaluated intervention effectiveness by analyzing pre- and post-training changes in participant responses on knowledge-acquisition tests administered to three urban and four rural community cohorts. Changes in percent of correct items and mean total correct items were evaluated. Criteria for model sustainability and impact were, respectively, observations of non-academic partners engaging in efforts to advance post-project preparedness alliances, and project-attributable changes in preparedness-related practices of local or state governments. Results. The majority (11 of 14) test items addressing technical or practical PFA content showed significant improvement; we observed comparable testing results for GPP training. Government and faith partners developed ideas and tools for sustaining preparedness activities, and numerous project-driven changes in local and state government policies were documented. Conclusions. Results suggest that the model could be an effective approach to promoting public health preparedness and community resilience.


Public Health Reports | 2010

Public Health-Specific National Incident Management System Trainings: Building a System for Preparedness

Sivan Kohn; Daniel J. Barnett; Costanza Galastri; Natalie L. Semon; Jonathan M. Links

Local health departments (LHDs) are at the hub of the public health emergency preparedness system. Since the 2003 issuance of Homeland Security Presidential Directive-5, LHDs have faced challenges to comply with a new set of all-hazards, 24/7 organizational response expectations, as well as the National Incident Management System (NIMS). To help local public health practitioners address these challenges, the Centers for Disease Control and Prevention-funded Johns Hopkins Center for Public Health Preparedness (JH-CPHP) created and implemented a face-to-face, public health-specific NIMS training series for LHDs. This article presents the development, evolution, and delivery of the JH-CPHP NIMS training program. In this context, the article also describes a case example of practice-academic collaboration between the National Association of County and City Health Officials and JH-CPHP to develop public health-oriented NIMS course content.


Disaster Medicine and Public Health Preparedness | 2014

Building a national model of public mental health preparedness and community resilience: validation of a dual-intervention, systems-based approach.

O. Lee McCabe; Natalie L. Semon; Carol B. Thompson; Jeffrey M. Lating; George S. Everly; Charlene Perry; Suzanne Straub Moore; Adrian Mosley; Jonathan M. Links

OBJECTIVE Working within a series of partnerships among an academic health center, local health departments (LHDs), and faith-based organizations (FBOs), we validated companion interventions to address community mental health planning and response challenges in public health emergency preparedness. METHODS We implemented the project within the framework of an enhanced logic model and employed a multi-cohort, pre-test/post-test design to assess the outcomes of 1-day workshops in psychological first aid (PFA) and guided preparedness planning (GPP). The workshops were delivered to urban and rural communities in eastern and midwestern regions of the United States. Intervention effectiveness was based on changes in relevant knowledge, skills, and attitudes (KSAs) and on several behavioral indexes. RESULTS Significant improvements were observed in self-reported and objectively measured KSAs across all cohorts. Additionally, GPP teams proved capable of producing quality drafts of basic community disaster plans in 1 day, and PFA trainees confirmed upon follow-up that their training proved useful in real-world trauma contexts. We documented examples of policy and practice changes at the levels of local and state health departments. CONCLUSIONS Given appropriate guidance, LHDs and FBOs can implement an effective and potentially scalable model for promoting disaster mental health preparedness and community resilience, with implications for positive translational impact.


Journal of Emergency Management | 2014

Public health-specific personal disaster preparedness training: An academic-practice collaboration

Sivan Kohn; Natalie L. Semon; Haley Hedlin; Carol B. Thompson; Felicity Marum; Sebra Jenkins; Catherine C. Slemp; Daniel J. Barnett

OBJECTIVES To measure the following three relevant outcomes of a personal preparedness curriculum for public health workers: 1) the extent of change (increase) in knowledge about personal preparedness activities and knowledge about tools for conducting personal preparedness activities; 2) the extent of change (increase) in preparedness activities performed post-training and/or confidence in conducting these tasks; and 3) an understanding of how to improve levels of personal preparedness using the Extended Parallel Process Model (EPPM) framework. DESIGN Cross-sectional preinterventional and postinterventional survey using a convenience sample. SETTING During 2010, three face-to-face workshops were conducted in three locations in West Virginia. PARTICIPANTS One hundred thirty-one participants (baseline survey); 69 participants (1-year resurvey)-representing West Virginia local health department (LHD) and State Health Department employees. INTERVENTIONS A 3-hour interactive, public health-specific, face-to-face workshop on personal disaster preparedness. MAIN OUTCOME MEASURE(S) Change in 1) knowledge about, and tools for, personal preparedness activities; 2) preparedness activities performed post-training and/or confidence in conducting these activities; and 3) the relationship of EPPM categories to personal preparedness activities. RESULTS One year postworkshop, 77 percent of respondents reported having personal emergency kits (40 percent at baseline) and 67 percent reported having preparedness plans (38 percent at baseline) suggesting some participants assembled supply kits and plans postworkshop. Within the context of EPPM, respondents in high-threat categories agreed more often than respondents in low-threat categories that severe personal impacts were likely to result from a moderate flood. Compared to respondents categorized as low efficacy, respondents in high-efficacy categories perceived confidence in their knowledge and an impact of their response on their job success at higher rates. CONCLUSIONS Personal disaster preparedness trainings for the LHD workforce can yield gains in relevant preparedness behaviors and attitudes but may require longitudinal reinforcement. The EPPM can offer a useful threat and efficacy-based lens to understand relevant perceptions surrounding personal disaster preparedness behaviors among LHD employees.


PLOS ONE | 2009

Assessment of Local Public Health Workers' Willingness to Respond to Pandemic Influenza through Application of the Extended Parallel Process Model

Daniel J. Barnett; Ran D. Balicer; Carol B. Thompson; J. Douglas Storey; Saad B. Omer; Natalie L. Semon; Steve Bayer; Lorraine V. Cheek; Kerry W. Gateley; Kathryn M. Lanza; Jane A. Norbin; Catherine C. Slemp; Jonathan M. Links


BMC Public Health | 2010

Characterizing hospital workers' willingness to report to duty in an influenza pandemic through threat- and efficacy-based assessment

Ran D. Balicer; Daniel J. Barnett; Carol B. Thompson; Edbert B. Hsu; Christina L. Catlett; Christopher M. Watson; Natalie L. Semon; Howard S. Gwon; Jonathan M. Links

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Howard S. Gwon

Johns Hopkins University

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O. Lee McCabe

Johns Hopkins University

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Adrian Mosley

Johns Hopkins University

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Edbert B. Hsu

Johns Hopkins University

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Christina L. Catlett

Johns Hopkins University School of Medicine

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