Sighing Dynamics as a Candidate Digital Biomarker for Anxiety in Daily Life Using Wearable Respiratory Monitoring: Intensive Longitudinal Study

Xinying Zhao   ^{1, 2} , BSc, MEd, PDEng ;   Yue Li   ¹ , BEng ;   Lizhu Zhang   ¹ , BMed, MM ;   Jiafeng Wang   ¹ , BMed, MM ;   Anfeirea Jialin   ¹ , BMed ;   Qi An   ³ , BMed ;   Yunfan Fu   ¹ , BEd, MEd ;   Cheng Yao   ² , PhD ;   Wei Deng   ^{1, 3, 4} , MD

¹ Affiliated Mental Health Center & Hangzhou Seventh People's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China

² School of Computer and Computing Science, Zhejiang University, Hangzhou, Zhejiang, China

³ School of Mental Health, Wenzhou Medical University, Wenzhou, Zhejiang, China

⁴ Liangzhu Laboratory, MOE Frontier Science Center for Brain Science and Brain-Machine Integration, State Key Laboratory of Brain-Machine Intelligence, Zhejiang University, Hangzhou, Zhejiang, China