双极性障碍的数字表型:使用纵向的Fitbit数据和个性化的机器学习来预测情绪症状
Jessica M Lipschitz1,2, Sidian Lin3,4, Soroush Saghafian4
1Department of Psychiatry, Brigham and Women's Hospital, Boston, Massachusetts, USA.
Acta psychiatrica Scandinavica
|October 14, 2024
概括
这项研究表明,分析Fitbit数据的机器学习模型可以准确地预测双相情绪障碍 (BD) 患者的情绪发作. 这些个性化预测为及时干预和改善患者护理提供了有希望的工具.
科学领域:
- 数字健康数字健康
- 机器学习在医学中的应用
- 精神病学是一个精神病学.
背景情况:
- 双极性障碍 (BD) 治疗需要及时识别情绪发作.
- 来自个人设备的被动传感器数据显示了情绪事件检测的潜力.
- 现有的方法缺乏广泛适用于情绪症状学预测.
研究的目的:
- 评估一种新的,个性化的机器学习方法,用于检测BD患者的心情症状.
- 为了评估仅在被动Fitbit数据上训练的模型的准确性,使用最小的过.
- 确定在 BD 中广泛应用情绪预测的可行性.
主要方法:
- 在9个月内分析了54名患有BD的成年人的数据,包括Fitbit数据和每两周一次的自我报告.
- 机器学习 (ML) 模型应用于两周的聚合Fitbit数据.
- 使用已建立的临床切线 (PHQ-8,ASRM) 检测抑郁和 (低) 躁狂症状.
主要成果:
- 二元混合模型 (BiMM) 森林算法展示了最高的预测性能 (ROC-AUC).
- 在测试组中,ROC-AUC为抑郁症的86.0%,为 (hypo) mania的85.2%.
- 优化值为抑郁症检测提供了80.1%的准确率,为 (低) 躁狂检测提供了89.1%的准确率.
结论:
- 通过使用广泛适用的方法,在BD患者中精确检测情绪症状.
- 这些发现支持使用Fitbit数据来准确预测情绪症状.
- 这项研究引入了BiMM森林用于情绪预测,为更广泛的患者群体推进了个性化算法.
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