Table 4. Determinants of Pain Interference Six Weeks after Hospital Dischargea.
| Model | R2 | Adjusted R2 | R2 Change | F Change | F Change Sig | ||
|---|---|---|---|---|---|---|---|
| Step 1 | .22 | .17 | .22 | 4.39 | <.001 | ||
| Step 2 | .38 | .35 | .17 | 46.62 | <.001 | ||
| Variables in the equation at Step 2: | Standardized Beta | t | Sig. | 95.0% Confidence Interval for Beta | |||
| Lower | Upper | ||||||
| (Constant) | 1.91 | .058 | -.12 | 6.84 | |||
| Age in years | -.15 | -2.31 | .022 | -.07 | -.01 | ||
| Body mass index | .01 | .15 | .88 | -.05 | .05 | ||
| Pump time (minutes) | .04 | .20 | .84 | -.02 | .02 | ||
| Cross clamp time (minutes) | -.06 | -.34 | .73 | -.03 | .02 | ||
| Baseline pain interference | .27 | 4.19 | <.001 | .12 | .34 | ||
| Marital status (single/partnered) | .04 | .63 | .53 | -.44 | .85 | ||
| Baseline perceived control | .005 | .08 | .94 | -.04 | .05 | ||
| Baseline global sleep quality | .12 | 1.80 | .074 | -.01 | .14 | ||
| Baseline anxiety | .15 | 2.20 | .026 | .05 | .83 | ||
| Baseline social support | -.05 | -.76 | .45 | -.04 | .02 | ||
| Time from surgery to enrollment | .04 | .56 | .58 | -.02 | .03 | ||
| Change in depressive symptoms | .42 | 6.82 | <.001 | .09 | .17 | ||
a
linear regression, pain interference as dependent variable in analysis