Study Design
This was a prospective, multicenter, and two-arm (allocation ratio was 1:1) trial. It was a nonblinded RCT registered at the Chinese Clinical Trial Registry with the study number ChiCTR2100046775. The design of the current RCT is shown in The design of the current randomized controlled trial. CBT: cognitive behavioral therapy; GSE: General Self-Efficacy Scale; QL-index: quality of life index.