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Table 1 Demographics for each hierarchical regression model

From: Verbal intelligence is a more robust cross-sectional measure of cognitive reserve than level of education in healthy older adults

Dataset Brain structure Cognition N Mean age (SD, range) Sex (M/F)
TILDA Grey matter volume, hippocampal volume Verb Flu, Proc Speed, Epi Mem 313 68.90 (6.75, 54–88) 155/158
Grey matter volume, hippocampal volume Exec Func, Glob Cog 311 68.91 (6.77, 54–88) 154/157
Mean cortical thickness Verb Flu, Proc Speed, Epi Mem 279 69.16 (6.64, 54–88) 137/142
Mean cortical thickness Exec Func, Glob Cog 277 69.18 (6.66, 54–88) 136/141
CR/RANN All All 234 64.49 (7.42, 50–80) 114/120
  1. SD standard deviation, M male, F female, Verb Flu verbal fluency, Proc Speed processing speed, Epi Mem episodic memory, Exec Func executive function, Glob Cog global cognition