Table 1.
Baseline characteristics by treatment arm.
| All n = 69 |
Control n = 31 |
Treatment n = 38 |
p-Value | |
|---|---|---|---|---|
| Sex | 0.47 | |||
| Male | 39 (57%) | 19 (61%) | 20 (53%) | |
| Female | 30 (43%) | 12 (39%) | 18 (47%) | |
| Age (years) | 68.7 (8.9) | 69.6 (9.0) | 68.0 (8.9) | 0.45 |
| Race | 0.23 | |||
| White | 60 (87%) | 25 (81%) | 35 (92%) | |
| African American | 7 (10%) | 5 (16%) | 2 (5%) | |
| American Indian/Alaska Native | 1 (1%) | 1 (3%) | 0 (0%) | |
| Asian | 1 (1%) | 0 (0%) | 1 (3%) | |
| Hispanic | 1 (1%) | 0 (0%) | 1 (3%) | 0.36 |
| Weight (kg) | 89.6 (14.2) | 89.1 (17.8) | 89.9 (10.6) | 0.82 |
| Height (cm) | 169.5 (11.3) | 169.0 (11.5) | 170.0 (11.4) | 0.71 |
| BMI (kg/m2) | 31.2 (4.7) | 30.9 (4.7) | 31.4 (4.8) | 0.60 |
| Surgery Type | 0.14 | |||
| Total Knee Arthroplasty | 60 (87%) | 29 (94%) | 31 (82%) | |
| Total Hip Arthroplasty | 9 (13%) | 2 (6%) | 7 (18%) | |
| PROMIS®—Anxiety | 46.2 (7.0) | 44.1 (7.5) | 48.0 (6.0) | 0.041 |
| PROMIS®—Emotional Distress—Depression | 41.3 (6.2) | 40.4 (4.7) | 41.9 (7.1) | 0.57 |
| PROMIS®—Sleep Disturbance | 49.6 (8.3) | 47.4 (9.3) | 51.4 (7.0) | 0.06 |
| Pain Catastrophizing | 6.3 (7.2) | 6.8 (8.4) | 5.8 (6.1) | 0.92 |
| Function | 3.6 (0.8) | 3.5 (1.0) | 3.7 (0.6) | 0.68 |
Mean (SD) for continuous variables and n (%) for categorical variables. BMI: body mass index.