Participants
REMISSION
Outpatients with BD at the Department of Psychiatry, First Affiliated Hospital, Zhejiang University School of Medicine, were recruited by advertisement from March 1, 2020, to June 30, 2021. The inclusion criteria included: (i) 16–65 years of age; (ii) diagnosis of BD established by two professional psychiatrists, in accordance with the Mini-International Neuropsychiatric Interview (MINI); (iii) stable medication; (iv) more than three months of clinical remission assessed by a score ≤6 on the Young Mania Rating Scale (YMRS) [