Table 4.
Multiple logistic regression predicting patient’s post-operative mental health (MCS)
|
Patient’s post-op mental health (MCS) (dependent variable) |
|
95.0% C.I |
|||||
|---|---|---|---|---|---|---|---|
| Beta | S.E. | Wald | d | p | Lower | Upper | |
|
Patient pre-op (independent) variables | |||||||
|
Step 1: chi square = 24.744, -2 Log Likelihood = 86.109, R = .266, Nagelkerke R2 = .355 | |||||||
| PCS |
-.083 |
.034 |
5.875 |
1 |
0.015* |
.861 |
.984 |
| MCS |
-.087 |
.025 |
11.90 |
1 |
0.001** |
.872 |
.963 |
|
Step 2: chi square =1.842,-2 Log Likelihood =84.267, R = .324, Nagelkerke R2 = .377 | |||||||
| PCS |
-.108 |
.056 |
3.642 |
1 |
0.056* |
.804 |
1.003 |
| MCS |
-.104 |
.033 |
10.065 |
1 |
0.002* |
.845 |
.961 |
| Physical limitation |
-.005 |
.022 |
.047 |
1 |
0.769 |
.953 |
1.039 |
| Angina freq/severity |
.033 |
.024 |
1.862 |
1 |
0.172 |
.986 |
1.084 |
| Constant |
11.132 |
3.045 |
13.365 |
1 |
<0.001 |
- |
- |
|
Partner pre-op (independent) variables | |||||||
|
Step 1: chi square = 5.794, -2 Log Likelihood = 105.060, R = .075, Nagelkerke R = .100 | |||||||
| PCS |
-.052 |
.023 |
5.314 |
1 |
0.021* |
.910 |
.998 |
| MCS |
-.014 |
.022 |
4.791 |
1 |
0.514 |
.821 |
.908 |
|
Step 2: chi square = 12 .129,-2 Log Likelihood = 92.186, R = .208, Nagelkerke R2 = .268 | |||||||
| PCS |
-.032 |
.931 |
1.474 |
1 |
0.225 |
.924 |
1.028 |
| MCS |
-.020 |
.024 |
.731 |
1 |
0.398 |
.936 |
1.026 |
| Gender |
−2.559 |
1.106 |
5.355 |
1 |
0.021* |
.008 |
.653 |
| Social deprivation |
−1.421 |
.676 |
4.440 |
1 |
0.035* |
.062 |
.900 |
| Constant | .946 | 1.333 | .504 | 1 | 0.478 | - | - |
PCS physical component score, MCS mental component score, EFD emotion functioning dimension, angina freq/severity angina frequency and severity, post-op post-operative, * p < 0.005; ** p < 0.001.