Can passive measurement of physiological distress help better predict suicidal thinking?

被引:25
作者
Kleiman, Evan M. [1 ]
Bentley, Kate H. [2 ,3 ]
Maimone, Joseph S. [2 ]
Lee, Hye-In Sarah [4 ]
Kilbury, Erin N. [4 ]
Fortgang, Rebecca G. [4 ]
Zuromski, Kelly L. [4 ]
Huffman, Jeff C. [2 ,3 ]
Nock, Matthew K. [4 ]
机构
[1] Rutgers State Univ, Dept Psychol, Piscataway, NJ 08854 USA
[2] Massachusetts Gen Hosp, Dept Psychiat, Boston, MA 02114 USA
[3] Harvard Med Sch, Boston, MA 02115 USA
[4] Harvard Univ, Dept Psychol, 33 Kirkland St, Cambridge, MA 02138 USA
基金
美国国家卫生研究院;
关键词
PSYCHOLOGICAL STRESS; EMOTION; AROUSAL;
D O I
10.1038/s41398-021-01730-y
中图分类号
R749 [精神病学];
学科分类号
100205 ;
摘要
There has been growing interest in using wearable physiological monitors to passively detect the signals of distress (i.e., increases in autonomic arousal measured through increased electrodermal activity [EDA]) that may be imminently associated with suicidal thoughts. Before using these monitors in advanced applications such as creating suicide risk detection algorithms or just-in-time interventions, several preliminary questions must be answered. Specifically, we lack information about whether: (1) EDA concurrently and prospectively predicts suicidal thinking and (2) data on EDA adds to the ability to predict the presence and severity of suicidal thinking over and above self-reports of emotional distress. Participants were suicidal psychiatric inpatients (n = 25, 56% female, M age = 33.48 years) who completed six daily assessments of negative affect and suicidal thinking duration of their psychiatric inpatient stay and 28 days post-discharge, and wore on their wrist a physiological monitor (Empatica Embrace) that passively detects autonomic activity. We found that physiological data alone both concurrently and prospectively predicted periods of suicidal thinking, but models with physiological data alone had the poorest fit. Adding physiological data to self-report models improved fit when the outcome variable was severity of suicidal thinking, but worsened model fit when the outcome was presence of suicidal thinking. When predicting severity of suicidal thinking, physiological data improved model fit more for models with non-overlapping self-report data (i.e., low arousal negative affect) than for overlapping self-report data (i.e., high arousal negative affect). These findings suggest that physiological data, under certain contexts (e.g., when combined with self-report data), may be useful in better predicting-and ultimately, preventing-acute increases in suicide risk. However, some cautious optimism is warranted since physiological data do not always improve our ability to predict suicidal thinking.
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页数:6
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