Table 2.
Assessment of the measurement model and discriminant validity of variable constructs
| Composite reliability | AVE | (1) | (2) | (3) | (4) | (5) | (6) | (7) | |
|---|---|---|---|---|---|---|---|---|---|
| Model 1: cognitive apathy | |||||||||
| Age | 1.000 | 1.000 | 1.000 | ||||||
| Anticipatory pleasure | 0.875 | 0.636 | −0.304 | 0.798 | |||||
| Cognitive apathy | 0.889 | 0.536 | 0.495 | −0.456 | 0.732 | ||||
| Cognitive function | 0.741 | 0.580 | 0.159 | 0.061 | 0.282 | 0.762 | |||
| Gender | 1.000 | 1.000 | 0.098 | −0.008 | −0.123 | 0.018 | 1.000 | ||
| Physical functioning | 0.935 | 0.594 | −0.384 | 0.068 | −0.499 | −0.411 | −0.032 | 0.770 | |
| Reward | 0.816 | 0.596 | −0.258 | 0.055 | −0.320 | −0.015 | 0.046 | 0.246 | 0.772 |
| Model 2: emotional apathy | |||||||||
| Anticipatory pleasure | 0.873 | 0.633 | 0.796 | ||||||
| Cognitive apathy | 0.742 | 0.576 | 0.066 | 0.759 | |||||
| Cognitive function | 0.789 | 0.53 | −0.344 | 0.318 | 0.808 | ||||
| Physical functioning | 0.936 | 0.597 | 0.070 | −0.419 | −0.464 | 0.772 | |||
| Reward | 0.79 | 0.557 | 0.061 | −0.036 | −0.355 | 0.234 | 0.747 | ||
| Model 3: behavioral apathy | |||||||||
| Age | 1.000 | 1.000 | 1.000 | ||||||
| Anticipatory pleasure | 0.874 | 0.635 | −0.294 | 0.797 | |||||
| Behavioral apathy | 0.891 | 0.620 | 0.316 | −0.42 | 0.788 | ||||
| Gender | 1.000 | 1.000 | 0.095 | −0.001 | −0.201 | 1.000 | |||
| Physical functioning | 0.934 | 0.589 | −0.396 | 0.08 | −0.286 | −0.039 | 0.768 | ||
| Reward | 0.829 | 0.714 | 0.18 | −0.071 | 0.219 | 0.116 | 0.106 | 0.845 | |
AVE average variance extracted