Table 2.
Main and interaction effects of testosterone level and APOE-ε4 status on measures of episodic memory
| Main Effects Only
|
Main Effects and Interaction
|
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Estimate | SE | F | DF | p | Estimate | SE | F | DF | p | |
| CVLT Delayed Recall | ||||||||||
| Testosterone Level | 0.0084 | 0.0036 | 5.48 | 229 | .0201 | 0.0122 | 0.0068 | 5.65 | 228 | .0183 |
| APOE-ε4 Status | −0.1530 | 0.2538 | 0.36 | 229 | .5473 | 0.3573 | 0.8286 | 0.19 | 228 | .6667 |
| Interaction | -- | -- | -- | -- | -- | −0.0051 | 0.0079 | 0.42 | 228 | .5184 |
| Logical Memory Delayed Recall | ||||||||||
| Testosterone Level | 0.0197 | 0.0081 | 5.89 | 231 | .0161 | 0.0464 | 0.0156 | 9.52 | 230 | .0023 |
| APOE-ε4 Status | −0.5278 | 0.5811 | 0.83 | 231 | .3647 | 3.0902 | 1.9002 | 2.64 | 230 | .1053 |
| Interaction | -- | -- | -- | -- | -- | −0.0362 | 0.0181 | 4.00 | 230 | .0467 |
| Visual Reproduction Delayed Recall | ||||||||||
| Testosterone Level | 0.0019 | 0.0233 | 0.01 | 232 | .9351 | 0.0083 | 0.0450 | 0.02 | 231 | .8808 |
| APOE-ε4 Status | 2.6427 | 1.6492 | 2.57 | 232 | .1104 | 3.5095 | 5.4593 | 0.41 | 231 | .5210 |
| Interaction | -- | -- | -- | -- | -- | −0.0087 | 0.0522 | 0.03 | 231 | .8679 |
F and p values represent the type III test of fixed effects (i.e., controlling for all other elements of the model). Covariates include age, age 20 general cognitive ability, CES-D total score, and the chronic major illnesses score. Significant effects are presented in bold font.