Restricted accessResearch articleFirst published online 2022-2
Quantifying Occupational Stress in Intensive Care Unit Nurses: An Applied Naturalistic Study of Correlations Among Stress,Heart Rate,Electrodermal Activity,and Skin Temperature
To identify physiological correlates to stress in intensive care unit nurses.
Background
Most research on stress correlates are done in laboratory environments; naturalistic investigation of stress remains a general gap.
Method
Electrodermal activity, heart rate, and skin temperatures were recorded continuously for 12-hr nursing shifts (23 participants) using a wrist-worn wearable technology (Empatica E4).
Results
Positive correlations included stress and heart rate (ρ = .35, p < .001), stress and skin temperature (ρ = .49, p < .05), and heart rate and skin temperatures (ρ = .54, p = .0008).
Discussion
The presence and direction of some correlations found in this study differ from those anticipated from prior literature, illustrating the importance of complementing laboratory research with naturalistic studies. Further work is warranted to recognize nursing activities associated with a high level of stress and the underlying reasons associated with changes in physiological responses.
Application
Heart rate and skin temperature may be used for real-time detection of stress, but more work is needed to validate such surrogate measures.
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