Table 7.
Hierarchical multiple linear regression analysis for predictors of Short Form 36 Mental Component Score (n=134)
| Beta | %Change in R2 | Total R2 | F | |
|---|---|---|---|---|
| Block 1 | 10.7%** | |||
| Age | .23** | |||
| Sex | −.05 | |||
| Hollingshead Score | −.05 | |||
| Co-morbidity Index | −.09 | |||
| Block 2 | 02.1% | |||
| Chest pain frequency | −.08 | |||
| Block 3 | 04.9%* | |||
| Fatigue | −.25** | |||
| Dyspnea | .01 | |||
| 17.7% | 3.9** | |||
| Adjusted R2 13.1% |
Note: Beta weights presented are those obtained at entry of the final block.
p < .05
p < .01
p < .001. Stepwise entry demonstrated that none of the symptom interaction terms significantly increased R2 and thus did not enter the regression analysis.