Table 3.
Multivariate linear regression for physical function and pain interference
| Physical function | Pain interference | |
|---|---|---|
| Total model | R2 = 0.41, p < 0.001 | R2 = 0.36, p < 0.001 |
| Medical record variables | ||
| Age | − 0.10 | − 0.01 |
| Sex (0 = female) | 0.07 | 0.03 |
| Race (0 = white) | − 0.02 | 0.06 |
| Tobacco use (0 = no history) | − 0.05 | 0.02 |
| Pre-operative pain intensity | − 0.03 | 0.05 |
| BMI | − 0.10 | 0.04 |
| Comorbidity count | − 0.03 | − 0.03 |
| TJA location (0 = hip) | − 0.04 | 0.07 |
| Number of surgeries (0 = one) | 0.01 | 0.01 |
| Survey response variables | ||
| Survey time | − 0.03 | 0.02 |
| Sleep | − 0.31 | 0.35 |
| Anxiety | − 0.11 | 0.17 |
| Dyspnea | − 0.33 | 0.26 |
Standardized coefficients are reported, bold font indicates p < 0.01
BMI, body mass index; TJA, total joint arthroplasty