Classification of Stress via Ambulatory ECG and GSR Data

• URL: http://arxiv.org/abs/2208.04705v2
• Date: Thu, 8 Jun 2023 14:46:47 GMT
• Title: Classification of Stress via Ambulatory ECG and GSR Data
• Authors: Zachary Dair, Muhammad Muneeb Saad, Urja Pawar, Samantha Dockray, Ruairi O'Reilly
• Abstract summary: This work empirically assesses several approaches to detect stress using physiological data recorded in an ambulatory setting with self-reported stress annotations. The optimal stress detection approach achieves 90.77% classification accuracy, 91.24 F1-submission, 90.42 Sensitivity and 91.08 Specificity.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: In healthcare, detecting stress and enabling individuals to monitor their mental health and wellbeing is challenging. Advancements in wearable technology now enable continuous physiological data collection. This data can provide insights into mental health and behavioural states through psychophysiological analysis. However, automated analysis is required to provide timely results due to the quantity of data collected. Machine learning has shown efficacy in providing an automated classification of physiological data for health applications in controlled laboratory environments. Ambulatory uncontrolled environments, however, provide additional challenges requiring further modelling to overcome. This work empirically assesses several approaches utilising machine learning classifiers to detect stress using physiological data recorded in an ambulatory setting with self-reported stress annotations. A subset of the training portion SMILE dataset enables the evaluation of approaches before submission. The optimal stress detection approach achieves 90.77% classification accuracy, 91.24 F1-Score, 90.42 Sensitivity and 91.08 Specificity, utilising an ExtraTrees classifier and feature imputation methods. Meanwhile, accuracy on the challenge data is much lower at 59.23% (submission #54 from BEaTS-MTU, username ZacDair). The cause of the performance disparity is explored in this work.

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