Table 5. Determinants of Pain Severity Six Weeks after Hospital Dischargea.
| Model | R2 | Adjusted R2 | R2 Change | F Change | F Change Sig | |
|---|---|---|---|---|---|---|
| Step 1 | .26 | .22 | .26 | 5.64 | <.001 | |
| Step 2 | .31 | .26 | .04 | 10.60 | .001 | |
| Variables in the equation at Step 2: | Standardized Beta | t | Sig. | 95.0% Confidence Interval for Beta | ||
| Lower | Upper | |||||
| (Constant) | 1.61 | .11 | -.55 | 5.35 | ||
| Age in years | -.12 | -1.71 | .090 | -.05 | .004 | |
| Body mass index | -.01 | -.21 | .84 | -.05 | .04 | |
| Pump time (minutes) | .07 | .35 | .73 | -.01 | .02 | |
| Cross clamp time (minutes) | -.08 | -.41 | .68 | -.02 | .02 | |
| Baseline pain severity | .40 | 5.62 | <.001 | .24 | .50 | |
| Marital status (single/partnered) | .12 | 1.78 | .077 | -.05 | 1.05 | |
| Baseline perceived control | -.05 | -.61 | .54 | -.05 | .03 | |
| Baseline global sleep quality | .05 | .72 | .47 | -.04 | .09 | |
| Baseline anxiety | .09 | 1.26 | .21 | -.12 | .54 | |
| Baseline social support | .001 | .01 | .99 | -.02 | .02 | |
| Time from surgery to enrollment | .06 | .88 | .38 | -.01 | .03 | |
| Change in depressive symptoms | .21 | 3.26 | .001 | .02 | .09 | |
a
linear regression, pain severity as dependent variable in analysis