National trends in prevalence of sadness, counseling for sadness, and sleep time among Koreans amid pandemic, 2009–2021: A nationwide representative study of over 2.8 million individuals

Choi, J., Kim, M., Lee, S. W., Rhee, S. Y., Yang, H., Kim, H. J., … Yon, D. K. (2023, September 1). National trends in prevalence of sadness, counseling for sadness, and sleep time among Koreans amid pandemic, 2009–2021: A nationwide representative study of over 2.8 million individuals. Asian Journal of Psychiatry. Elsevier B.V. https://doi.org/10.1016/j.ajp.2023.103695