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. Author manuscript; available in PMC: 2017 Oct 1.
Published in final edited form as: Neurobiol Aging. 2016 Jun 25;46:68–75. doi: 10.1016/j.neurobiolaging.2016.06.011

Table 3.

Effects of Chronological Age, Mean Cortical Aβ, and Mean Cortical Thickness in Multiple Regression Models Associated with Ability Discrepancy

Factor β b SE Lower CI Upper CI p-value
Sex −.031 −.036 .17 −.37 .30 .83
Chronological Age .35 .030 .012 .005 .055 .02
Mean Cortical Thickness −.28 −1.27 .64 −2.56 .018 .05
Mean Cortical Aβ .30 .67 .30 .059 1.29 .03

Notes. β = Standardized beta values; b = Unstandardized beta values; SE = Standard error; CI = Confidence intervals; the model explained a total of 37.2% of the variance in ability discrepancy.