Table 2.
Correlations between visual paired comparison task performance by camera type and cognitive assessments.
| Cognitive assessment | Tobii X2-60 | P valuea | Laptop-embedded Camera | P valuea | Fisher r to z transformation (P value) |
| PACCd Composite | .43 | .005b | .39 | .007b | .42 |
| MMSEe | .20 | .21 | .13 | .40 | .37 |
| LM-DRf | .30 | .06 | .25 | .09 | .16 |
| FCSRTg | –.05 | .75 | .22 | .15 | .11 |
| Digit Symbol Coding | .48 | .001b | .32 | .03c | .18 |
| Letter Fluency | .44 | .004b | .33 | .02c | .28 |
| Category Fluency | .43 | .005b | .36 | .01c | .36 |
| Trails A | –.45 | .003b | –.40 | .006b | .39 |
| NIHTB-CBh Composite | .32 | .049c | .35 | .03c | .40 |
| PVTi | .28 | .09 | .28 | .07 | .50 |
| PSMTj | .39 | .01c | .33 | .03c | .38 |
| Flanker | –.006 | .97 | .22 | .16 | .16 |
| DCCSk | .29 | .07 | .37 | .02c | .35 |
aDetermined by Spearman correlations and two-tailed Fisher r to z correlation comparisons.
bP<.01.
cP<.05.
dPACC: : Preclinical Alzheimer’s Cognitive Composite.
eMMSE: Mini-Mental State Exam.
fLM-DR: Logical Memory-delayed recall.
gFCSRT: Free and Cued Selective Reminding Test.
hNIHTB-CB: National Institute of Health Toolbox Cognitive Battery.
iPVT: Picture Vocabulary Test.
jPSMT: Picture Sequence Memory Test.
kDCCS: Dimensional Change Card Sort.