[1] Lu J, Xu XF, Huang YQ, Li T, Ma C, Xu GM, et al. Prevalence of depressive disorders and treatment in China: a cross-sectional epidemiological study. Lancet Psychiatry 2021;8(11):98190.
[2] Wang Y, Chen Q, Liu LR. Prevalence of depression and its influencing factors in Chinese older population: a meta-analysis. Chin Gen Pract J 2024;1(2):7783.
[3] Zhao YH, Hu YS, Smith JP, Strauss J, Yang G. Cohort profile: the China health and retirement longitudinal study (CHARLS). Int J Epidemiol 2014;43(1):618.
[4] Andresen EM, Malmgren JA, Carter WB, Patrick DL. Screening for depression in well older adults: evaluation of a short form of the CES-D. Am J Prev Med 1994;10(2):7784.
[5] Wang JF, Haining R, Liu TJ, Li LF, Jiang CS. Sandwich estimation for multi-unit reporting on a stratified heterogeneous surface. Environ Plan A 2013;45(10):251534.
[6] Xue T, Guan TJ, Zheng YX, Geng GN, Zhang Q, Yao Y, et al. Long-term PM2.5 exposure and depressive symptoms in China: a quasi-experimental study. Lancet Reg Health West Pac 2021;6:100079.
[7] Yuan Y, Wang K, Wang Z, Zheng H, Ma ZW, Liu RY, et al. Ambient ozone exposure and depression among middle-aged and older adults: nationwide longitudinal evidence in China. Int J Hyg Environ Health 2023;251:114185.
[8] Abdoli N, Salari N, Darvishi N, Jafarpour SM, Solaymani M, Mohammadi M, et al. The global prevalence of major depressive disorder (MDD) among the elderly: a systematic review and meta-analysis. Neurosci Biobehav Rev 2022;132:106773.
[9] Zhang KQ, Zhang W. Post-COVID social engagement and depression among Chinese older adults: exploring rural/urban and gender differences. Soc Psychiatry Psychiatr Epidemiol 2025;60(3):64556.
[10] Wang JY, Zhang JH, Lin H, Han YL, Tu J, Nie XY. Economic development, weak ties, and depression: evidence from China. J Affect Disord 2023;334:24657.