A diagram of “The loneliness tree” (IMAGE) City University of Hong Kong Caption “The loneliness tree” – Machine learning prediction (classification and regression tree) for severe loneliness and its intersecting risk factors during the COVID-19 pandemic in Canada (n = 3722), CPSS6-COVID (January 25–31, 2021). Credit Dr. Shen (Lamson) Lin. (Source: https://doi.org/10.1016/j.jad.2022.08.131) Usage Restrictions Image must be used with appropriate caption and credit License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.