title: Are We There Yet? Feasibility of Continuous Stress Assessment via Wireless Physiological Sensors.
abstract: Stress can lead to headaches and fatigue, precipitate addictive behaviors (e.g., smoking, alcohol and drug use), and lead to cardiovascular diseases and cancer. Continuous assessment of stress from sensors can be used for timely delivery of a variety of interventions to reduce or avoid stress. We investigate the feasibility of continuous stress measurement via two field studies using wireless physiological sensors - a four-week study with illicit drug users (n= 40), and a one-week study with daily smokers and social drinkers (n= 30). We find that 11+ hours/day of usable data can be obtained in a 4-week study. Significant learning effect is observed after the first week and data yield is seen to be increasing over time even in the fourth week. We propose a framework to analyze sensor data yield and find that losses in wireless channel is negligible; the main hurdle in further improving data yield is the attachment constraint. We show the feasibility of measuring stress minutes preceding events of interest and observe the sensor-derived stress to be rising prior to self-reported stress and smoking events.
authors.affiliation: University of Memphis.
authors.forename: Mahbubur
authors.initials: M
authors.lastname: Rahman
authors.affiliation: University of South Florida.
authors.forename: Rummana
authors.initials: R
authors.lastname: Bari
authors.affiliation: Troy University.
authors.forename: Amin Ahsan
authors.initials: AA
authors.lastname: Ali
authors.affiliation: NIDA IRP.
authors.forename: Moushumi
authors.initials: M
authors.lastname: Sharmin
authors.affiliation: The Ohio State University.
authors.forename: Andrew
authors.initials: A
authors.lastname: Raij
authors.affiliation: University of Minnesota Medical School.
authors.forename: Karen
authors.initials: K
authors.lastname: Hovsepian
authors.forename: Syed Monowar
authors.initials: SM
authors.lastname: Hossain
authors.forename: Emre
authors.initials: E
authors.lastname: Ertin
authors.forename: Ashley
authors.initials: A
authors.lastname: Kennedy
authors.forename: David H
authors.initials: DH
authors.lastname: Epstein
authors.forename: Kenzie L
authors.initials: KL
authors.lastname: Preston
authors.forename: Michelle
authors.initials: M
authors.lastname: Jobes
authors.forename: J Gayle
authors.initials: JG
authors.lastname: Beck
authors.forename: Satish
authors.initials: S
authors.lastname: Kedia
authors.forename: Kenneth D
authors.initials: KD
authors.lastname: Ward
authors.forename: Mustafa
authors.initials: M
authors.lastname: al'Absi
authors.forename: Santosh
authors.initials: S
authors.lastname: Kumar
keywords: Mobile Health; Stress; Wireless Physiological Sensor
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