Identifying and validating perceived workload metrics for emergency medical services

被引：1

作者：

Ercolani, Jenna ^{[1
]}

Cure, Laila ^{[1
]}

Misasi, Paul ^{[2
]}

机构：

[1] Wichita State Univ, Ind Syst & Mfg Engn, 1845 Fairmount St, Wichita, KS 67220 USA

[2] Sedgwick Cty EMS, 1015 Stillwell, Wichita, KS 67213 USA

来源：

APPLIED ERGONOMICS | 2024年 / 118卷

基金：

美国国家科学基金会;

关键词：

Emergency medical services; NASA-TLX; Workload; PARAMEDIC WORK; ASSOCIATION; LOCATION; DEMANDS; BURNOUT; MODELS;

D O I：

10.1016/j.apergo.2024.104270

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The most common workload surrogates used by Emergency Medical Services (EMS)- overall call volume (CV) and unit hour utilization (UHU)-have not been validated. This study investigates the relationship between EMS operational metrics and perceived workload, measured through the NASA task load index (TLX) survey. We paired crew member survey responses with the operational metrics based on dispatch data. Linear regression was used to evaluate the influence of each metric on perceived workload. Logistic regression was used to identify values of workload indicating a fair day's work. We found that the overall CV (p < 0.001, R-2 = 0.32) and UHU (p < 0.001, R-2 = 0.22) explained less variability in perceived workload than a priority (P)-stratified CV (p < 0.001, R-2 = 0.41). However, we found no clear fair day's workload threshold. We conclude that a priority-stratified CV is a better workload surrogate than a CV and UHU.

引用

页数：11

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