Table 2.
Reanalyses Assessing the Potential Confounding Effects of Sleep Medications and Depression on Group Differences in Performance
| Original p Value, N = 108/49 | No Sleep Medications, N = 100/31 | Covaried for Total GDSN = 108/49 | |
| GDS total | .001 | .001 | NA |
| GDS functional | .001 | .001 | NA |
| RBANS | .009 | .023 | .039 |
| Trails B | .016 | .057 | .042 |
| TONI | .001 | .001 | .002 |
| N-Back | .010 | .019 | .062 |
Note: SAA = serum anticholinergic activity; GDS = Geriatric Depression Scale; NA = not applicable; RBANS = Repeatable Battery for the Assessment of Neuropsychological Status; TONI = Test of Nonverbal Intelligence.