Due to an error by the publisher, this article was accidentally published twice in Psychological Medicine. The duplicate version of the article has been withdrawn. The original published article and its content are not affected by this withdrawal, and there are no ethical or integrity concerns regarding the original published article. The publisher apologises to the author for the technical error.
The original published article can be accessed here and cited as the following:
Yu B, Steptoe A, Chen Y, Jia X. Social isolation, rather than loneliness, is associated with cognitive decline in older adults: the China Health and Retirement Longitudinal Study. Psychological Medicine. 2021;51(14):2414-2421. doi:10.1017/S0033291720001014
Cambridge University Press