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. Author manuscript; available in PMC: 2017 Dec 1.
Published in final edited form as: JAMA Psychiatry. 2016 Dec 1;73(12):1230–1237. doi: 10.1001/jamapsychiatry.2016.2657

Figure. Cross-sectional Relation of Cortical Amyloid Burden and Loneliness.

Figure

Multiple linear regression analysis was performed for loneliness, measured by the 3-item UCLA-3 Loneliness Scale (higher score indicates greater loneliness), as the dependent variable. Evaluated associations included amyloid burden (a continuous aggregate measure of cortical amyloid by Pittsburgh Compound B–positron emission tomography [PiB-PET] distribution volume ratio [DVR]), age, sex, apolipoprotein E ε4 (APOEε4) carrier status, Hollingshead score, depression, anxiety, and social network score.