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Association Of Fall-Related Injuries And Different Diagnoses In Older Adults Of Ontario: A Machine Learning Approach, Sorour Rostampour Sep 2023

Association Of Fall-Related Injuries And Different Diagnoses In Older Adults Of Ontario: A Machine Learning Approach, Sorour Rostampour

Electronic Thesis and Dissertation Repository

Falls are the leading cause of injury-related hospitalizations among older adults in Canada. This study aimed to identify the most informative diagnostic categories associated with fall-related injuries (FRIs) using three machine learning algorithms: decision tree, random forest, and extreme gradient boosting tree (XGBoost). Secondary data from two Ontario health administrative databases (NACRS, DAD) covering the period 2006-2015 were analyzed. Older adults (aged ≥ 65 years) who sought treatment for FRIs in emergency departments (ED) or hospitals, as indicated by Canadian version of the 10th revision of the International Statistical Classification of Diseases and Related Health Problems (ICD-10-CA) codes for falls …


Examining Public Health Risk Communication Via Social Media By Provincial And Local Health Authorities In Ontario During The Covid-19 Pandemic, Marc Resendes Nov 2021

Examining Public Health Risk Communication Via Social Media By Provincial And Local Health Authorities In Ontario During The Covid-19 Pandemic, Marc Resendes

Electronic Thesis and Dissertation Repository

Risk communication campaigns are essential during public health crises to inform the public about ways to mitigate, alleviate and manage potential risks. The purpose of this study was to describe risk communication on social media by Ontarian health authorities amid COVID-19, in addition to examining the strategies that guided their social media use. This was completed through (a) a narrative review of risk communication literature; (b) a qualitative content analysis of select health authority Twitter messaging following three major COVID-19 milestones; and (c) key informant interviews with those coordinating social media responses to COVID-19. Information giving and news updates were …