Fig. 1From: Anxiety, depression, and sleep disturbances among people on long-term efavirenz-based treatment for HIV: a cross-sectional study in Beijing, ChinaStudy design flowchart. According to time on EFV-based ART, 424 participants were divided into 4 groups: group A (0.5 ≤ ART < 2 years), group B (2 ≤ ART < 4 years), group C (4 ≤ ART < 6 years), and group D (ART ≥ 6 years). Abbreviations: EFV, efavirenz; ART, antiretroviral therapyBack to article page