Table 4.
Mixed-effects models for associations between activity and next-survey cognition.
| Model | Estimate | 95% CI | P value | |||||
| Mobile Color-Word Interference Testa | ||||||||
|
|
Model 1: Cognitively stimulating activities | |||||||
|
|
|
Cognitively stimulating activity (reference group: not doing activity)b | 0.510 | −0.878 to 0.547 | .39 | |||
|
|
Model 2: Passive leisure activities | |||||||
|
|
|
Passive leisure activity (reference group: not doing activity)b | 0.449 | −0.261 to 1.025 | .38 | |||
|
|
Model 3: Instrumental activities of daily living | |||||||
|
|
|
Instrumental activities of daily living (reference group: not doing activity)b | −0.762 | −0.230 to 1.083 | .13 | |||
| Mobile Verbal Learning Testc | ||||||||
|
|
Model 4: Cognitively stimulating activities | |||||||
|
|
|
Cognitively stimulating activity (reference group: not doing activity)b | −0.167 | −0.634 to 1.666 | .65 | |||
|
|
Model 5: Passive leisure activities | |||||||
|
|
|
Passive leisure activity (reference group: not doing activity)b | 0.385 | −0.545 to 1.440 | .24 | |||
|
|
Model 6: Instrumental activities of daily living | |||||||
|
|
|
Instrumental activities of daily living (reference group: not doing activity)b | −0.255 | −1.757 to 0.236 | .38 | |||
aMobile Color-Word Interference Test analyses controlled for study day, HIV status, age, and race or ethnicity.
bModeled as a within-person variable.
cMobile Verbal Learning Test analyses controlled for study day, HIV status, and education.