Ragnhildur Bjar

Assistant Professor at Family, Youth and Community Sciences, University of Florida0 Followers

Professor focused on innovative teaching methods in health informatics, Dr. Ragnhildur Bjarnadottir is an esteemed Assistant Professor at the University of Florida's College of Nursing. Her academic journey is marked by a profound commitment to leveraging data science to enhance healthcare quality, particularly for marginalized communities. Dr. Bjarnadottir's research is pioneering, with a significant focus on the documentation of LGBTQIA+ health needs and the implementation of Electronic Health Records (EHR) to improve patient care. In her current research endeavors, Dr. Bjarnadottir employs advanced text-mining techniques to identify and analyze factors contributing to patient falls, a critical area of concern in healthcare settings. Her work not only aims to improve patient safety but also seeks to inform policy and practice through evidence-based insights. Dr. Bjarnadottir's contributions to the field have been recognized through numerous accolades, including the prestigious Jonas Policy Scholar and the Academy Health New Investigator Award. These honors underscore her influence and dedication to advancing health informatics and policy. An active member of several professional organizations, Dr. Bjarnadottir is involved with Sigma Theta Tau International, where she collaborates with fellow scholars to push the boundaries of nursing science. Her prolific output includes numerous publications and successful grant applications, reflecting her expertise and commitment to research excellence. Through her teaching, Dr. Bjarnadottir inspires the next generation of healthcare professionals, equipping them with the skills and knowledge necessary to address the complex challenges of modern healthcare. Her innovative approach to education and research continues to make a significant impact on the field of nursing and beyond.

Research Interests

Health informatics data science marginalized communities LGBTQIA+ health Electronic Health Records patient falls text-mining techniques healthcare quality improvement

Publications

1 - Assessing the Usability of a Clinical Decision Support System: Heuristic Evaluation (Preprint),

Hwayoung Cho , Gail Keenan , Olatunde O Madandola , Fabiana Cristina Dos Santos , Tamara G R Macieira , Ragnhildur I Bjarnadottir , Karen J B Priola , Karen Dunn Lopez ,

, 2021-07-02

2 - Use of a Data Repository to Identify Delirium as a Presenting Symptom of COVID-19 Infection in Hospitalized Adults: Cross-Sectional Cohort Pilot Study (Preprint),

Laurence M Solberg , Laurie J Duckworth , Elizabeth M Dunn , Theresa Dickinson , Tanja Magoc , Urszula A Snigurska , Sarah E Ser , Brian Celso , Meghan Bailey , Courtney Bowen , Nila Radhakrishnan , Chirag R Patel , Robert Lucero , Ragnhildur I Bjarnadottir ,

, 2022-10-03

3 - Assessing the Usability of a Clinical Decision Support System: Heuristic Evaluation,JMIR Human Factors

Hwayoung Cho , Gail Keenan , Olatunde O Madandola , Fabiana Cristina Dos Santos , Tamara G R Macieira , Ragnhildur I Bjarnadottir , Karen J B Priola , Karen Dunn Lopez ,

, e31758, 2022-05-10

4 - Use of a Data Repository to Identify Delirium as a Presenting Symptom of COVID-19 Infection in Hospitalized Adults: Cross-Sectional Cohort Pilot Study,JMIR Aging

Laurence M Solberg , Laurie J Duckworth , Elizabeth M Dunn , Theresa Dickinson , Tanja Magoc , Urszula A Snigurska , Sarah E Ser , Brian Celso , Meghan Bailey , Courtney Bowen , Nila Radhakrishnan , Chirag R Patel , Robert Lucero , Ragnhildur I Bjarnadottir ,

, e43185, 2023-11-30

5 - Examining Care Planning Efficiency and Clinical Decision Support Adoption in a System Tailoring to Nurses’ Graph Literacy: National, Web-Based Randomized Controlled Trial (Preprint),

Yingwei Yao , Karen Dunn Lopez , Ragnhildur I Bjarnadottir , Tamara G R Macieira , Fabiana Cristina Dos Santos , Olatunde O Madandola , Hwayoung Cho , Karen J B Priola , Jessica Wolf , Diana J Wilkie , Gail Keenan ,

, 2022-12-14

6 - Antiretroviral therapy self-management: Pilot study of an electronic medication event monitoring system among African-American women living with HIV in rural Florida (Preprint),

Robert Lucero , Renessa Williams , Tanisia Esalomi , Paula Alexander-Delpech , Christa Cook , Ragnhildur Bjarnadottir ,

, 2019-06-03

7 - What Can We Learn about Fall Risk Factors from EHR Nursing Notes? A Text Mining Study,eGEMs (Generating Evidence & Methods to improve patient outcomes)

Ragnhildur I. Bjarnadottir , Robert J. Lucero ,

, 21, 2018-09-20

8 - Using an Electronic Medication Event–Monitoring System for Antiretroviral Therapy Self-Management Among African American Women Living With HIV in Rural Florida: Cohort Study,JMIR Formative Research

Robert Lucero , Renessa Williams , Tanisia Esalomi , Paula Alexander-Delpech , Christa Cook , Ragnhildur I Bjarnadottir ,

, e14888, 2020-02-19

9 - Examining Care Planning Efficiency and Clinical Decision Support Adoption in a System Tailoring to Nurses’ Graph Literacy: National, Web-Based Randomized Controlled Trial,Journal of Medical Internet Research

Yingwei Yao , Karen Dunn Lopez , Ragnhildur I Bjarnadottir , Tamara G R Macieira , Fabiana Cristina Dos Santos , Olatunde O Madandola , Hwayoung Cho , Karen J B Priola , Jessica Wolf , Diana J Wilkie , Gail Keenan ,

, e45043, 2023-08-11

10 - Application of a practice-based approach in variable selection for a prediction model development study of hospital-induced delirium,BMC Medical Informatics and Decision Making

Urszula A. Snigurska , Sarah E. Ser , Laurence M. Solberg , Mattia Prosperi , Tanja Magoc , Zhaoyi Chen , Jiang Bian , Ragnhildur I. Bjarnadottir , Robert J. Lucero ,

, 2023-09-13

11 - Clinical Prediction Models for Hospital-Induced Delirium Using Structured and Unstructured Electronic Health Record Data: Protocol for a Development and Validation Study (Preprint),

Sarah E Ser , Kristen Shear , Urszula A Snigurska , Mattia Prosperi , Yonghui Wu , Tanja Magoc , Ragnhildur I Bjarnadottir , Robert J Lucero ,

, 2023-04-26

12 - Clinical Prediction Models for Hospital-Induced Delirium Using Structured and Unstructured Electronic Health Record Data: Protocol for a Development and Validation Study,JMIR Research Protocols

Sarah E Ser , Kristen Shear , Urszula A Snigurska , Mattia Prosperi , Yonghui Wu , Tanja Magoc , Ragnhildur I Bjarnadottir , Robert J Lucero ,

, e48521, 2023-11-09

13 - Beyond the Flowsheet: A Text Mining Study of Hospital-Acquired Falls (Preprint),

Ragnhildur Bjarnadottir , David Lindberg , Avirup Chakraborty , Mattia Prosperi , Marsha Crane , Jeanette Faith Green , Laurence Solberg , Yonghui Wu , Xi Yang , Robert James Lucero ,

, 2021-05-21

14 - Patient perspectives on answering questions about sexual orientation and gender identity: an integrative review,Journal of Clinical Nursing

Ragnhildur I Bjarnadottir , Walter Bockting , Dawn W Dowding ,

, 1814-1833, 2017-03-21

15 - The relationship between electronic health records user interface features and data quality of patient clinical information: an integrative review,Journal of the American Medical Informatics Association

Olatunde O Madandola , Ragnhildur I Bjarnadottir , Yingwei Yao , Margaret Ansell , Fabiana Dos Santos , Hwayoung Cho , Karen Dunn Lopez , Tamara G R Macieira , Gail M Keenan ,

, 240-255, 2023-09-22

16 - Fall risk management using clinical decision support in a rural nursing-led primary care practice,Journal of the American Association of Nurse Practitioners

Denise Schentrup , Amelie Middlemas , Kristen Shear , Ragnhildur I. Bjarnadottir , Robert J. Lucero ,

, 1033-1038, 2022-08-01

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