PURPOSE: There have been no data about long-term benzodiazepine (BZD) use and its correlates in patients with major depressive disorder (MDD) in China. This study aimed to examine the prevalence of long-term BZD use (more than three months) and its demographic and clinical correlates in Chinese patients with MDD. DESIGN AND METHODS: A total of 1,192 patients with MDD were examined in 10 mental health centers in China. Patients' socio-demographic and clinical characteristics and prescriptions for psychotropic drugs were recorded using a standardized form. FINDINGS: A large portion of patients (36.2%) received long-term BZD treatment. Univariate analyses revealed that long-term BZD users were older, poorer, and had more impaired oc...