Table 3.
Hierarchical Linear Model of Anxiety
| Variable | Coefficient (SE)
|
|
|---|---|---|
| Unconditional Model | Final Model | |
| Anxiety | ||
| Fixed Effects | ||
| Intercept | 41.093 (.634)d | 40.534 (.506)d |
| Timea (linear rate of change) | −1.861 (.352)d | −1.865 (.309)d |
| Time2 (quadratic rate of change) | .128 (.052)b | .129 (.047)c |
| Time invariant covariates | ||
| Intercept: | ||
| Receipt of chemotherapy | 1.639 (.737)b | |
| Depressive symptoms | .415 (.050)d | |
| Sense of control | −.831 (.227)d | |
| Life satisfaction | −.763 (.229)c | |
| Difficulty coping | −.746 (.212)d | |
| Level of uncertainty | −.426 (.130)c | |
| Linear: | ||
| Overall physical health × time | −.349 (.127)c | |
| Preoperative state anxiety × time | −.062 (.027)b | |
| Sense of control × time | .408 (.150)c | |
| Importance of spiritual activities × time | .190 (.071)c | |
| Difficulty coping × time | .362 (.153)b | |
| Sense of isolation × time | −.303 (.106)c | |
| Quadratic: | ||
| Overall physical health × time2 | .044 (.021)b | |
| Preoperative state anxiety × time2 | .008 (.004) | |
| Sense of control × time2 | −.065 (.023)c | |
| Importance of spiritual activities × time2 | −.030 (.012)c | |
| Difficulty coping × time2 | −.030 (.024) | |
| Sense of isolation × time2 | .046 (.017)c | |
| Variance components | ||
| In intercept | 111.756d | 30.677d |
| In linear rate | 18.876d | 8.081d |
| In quadratic fit | .281d | .106b |
| Goodness-of-fit deviance (parameters estimated) | 18373.726 (10) | 17981.296 (28) |
| Model comparison (x24) | 392.43 (18)d | |
Abbreviations: SE = Standard error
Time2 refers to the quadratic rate of change
b
p <.05;
c
p <.01;
d
p <.001
a
Time was coded zero at the time of the preoperative visit