Table 4.
Multivariate cognitive predictor modelsa of FCI Total Score (Domains 1–7) across groups
Control predictor model (n = 85) |
MCI predictor model (n = 113) |
Mild AD predictor model (n = 43) |
|||||||
---|---|---|---|---|---|---|---|---|---|
Measure | r | Cum R2 | Measure | r | Cum R2 | Measure | r | Cum R2 | |
Step 1 | Arithmetic | .54 | .27‡ | Arithmetic | .74 | .55‡ | Arithmetic | .67 | .46‡ |
Step 2 | Log Mem II | .35 | .35† | Trails B | −.73 | .66‡ | Trails A | −.60 | .56† |
Step 3 | Trails A | −.29 | .38* | Race | −.55 | .69‡ | Log Mem I | .63 | .65† |
Digits Forward | .34 | Dig Symbol | .59 | ||||||
Trails B | −.31 | Vis Rep I | .54 |
Note. Arithmetic = Wide Range Achievement Test—Third Edition (Arithmetic subtest); Log Mem I, Logical Memory I (immediate recall) subtest from the Wechsler Memory Scale—Revised; Log Mem II, Logical Memory II (delayed recall) subtest from the Wechsler Memory Scale—Revised; Digits Forward, Digit Span subtest (digits forward portion) from the Wechsler Memory Scale—Third Edition; Dig Symbol, Digit Symbol from the Wechsler Adult Intelligence Scale—Third Edition; Spat Back Raw, Spatial Span Backwards subtest from the Wechsler Memory Scale—Third Edition; Vis Rep I, Visual Reproduction I (immediate recall) subtest from the Wechsler Memory Scale—Third Edition.
Tasks in bold entered into the multivariate predictor models, while unbolded tasks did not enter into the model.
p < .05.
p < .01.
p < .001.