Table 2.
Ecological momentary assessment and mobile cognitive test variables by HIV serostatus (N=103).
| Variable | HIV+ (n=67) | HIV− (n=36) | t value or chi-square | P value | |
| EMAa variables, mean (SD) | |||||
|
|
Number of EMA surveys completed | 91 (9.0) | 90 (8.5) | 0.3 | .80 |
|
|
Percent of cognitively stimulating activities | 16 (15.5) | 19 (13.2) | −1.0 | .09 |
|
|
Percent of passive leisure activities | 35 (17.2) | 29 (14.0) | 1.7 | .15 |
|
|
Percent of IADLsb | 19 (8.1) | 22 (9.0) | −1.7 | .08 |
| Mobile cognitive testing variables | |||||
|
|
Average mCWITc total seconds, mean (SD) | 24.0 (6.7) | 21.6 (4.2) | 2.2 | .03 |
|
|
Percent mCWIT completed, mean % (SD) | 84 (18.5) | 84 (20.0) | −0.1 | .95 |
|
|
Average mVLTd total words, mean (SD) | 19.7 (4.9) | 21.1 (3.8) | −1.4 | .15 |
|
|
Percent mVLT completed, mean % (SD) | 79 (18.9) | 82 (13.3) | −0.9 | .39 |
aEMA: ecological momentary assessment.
bIADLs: instrumental activities of daily living.
cmCWIT: mobile Color-Word Interference Test.
dmVLT: mobile Verbal Learning Test.