Table 3.
Pearson correlation coefficients (r) Among C3 Components and Demographics
| Age | Education | PACC | MMSE | FCSRT | Logical Memory | DSST | ||
|---|---|---|---|---|---|---|---|---|
| C3 (LDI, FNMT, OCL) | −0.29 | 0.12 | 0.39 | 0.20 | 0.27 | 0.27 | 0.25 | |
| BPS-O | LDI | −0.15 | 0.05 | 0.21 | 0.08 | 0.14 | 0.17 | 0.14 |
| FNAMF | FNLT | −0.20 | 0.02 | 0.34 | 0.17 | 0.29 | 0.23 | 0.17 |
| FNMT | −0.22 | 0.06 | 0.23 | 0.15 | 0.20 | 0.2 | 0.16 | |
| FSBT | −0.22 | 0.06 | 0.27 | 0.13 | 0.20 | 0.13 | 0.22 | |
| CBB | DFTRT | −0.13 | 0.07 | 0.19 | 0.08 | 0.08 | 0.05 | 0.26 |
| IDN RT | −0.11 | 0.04 | 0.23 | 0.09 | 0.13 | 0.05 | 0.31 | |
| IDN Acc | −0.17 | 0.01 | 0.12 | 0.07 | 0.09 | 0.06 | 0.09 | |
| ONB RT | −0.16 | −0.04 | 0.29 | 0.11 | 0.16 | 0.09 | 0.37 | |
| ONB Acc | −0.19 | 0.06 | 0.21 | 0.11 | 0.14 | 0.12 | 0.17 | |
| OCL Acc | −0.16 | 0.13 | 0.25 | 0.14 | 0.18 | 0.17 | 0.15 |
Note. Higher value represents better performance. PACC=Preclinical Alzheimer Cognitive Composite; C3= Computerized Cognitive Composite; BPS-O= Behavioral Pattern Separation Task-Object; LDI=Lure Discrimination Index; FNAME=Face-Name Associative Memory Exam; FNLT=1st letter Name Recall; FNMT=Face-Name Matching; FSBT=Facial Recognition; CBB=Cogstate Brief Battery; RT=reaction time; Acc=Accuracy; DET=Detection; IDN=Identification; ONB=One-Back Test; OCL=One-Card Learning; FCSRT=Free and Cued Selective Reminding Test; DSST=Digit Symbol Substitution Test