Table 1.
Demographic characteristics of full sample (N = 87), completer sample (n = 49), and non-completer sample (n = 38).
| Full sample | Completer sample | Non-completer sample | ||
|---|---|---|---|---|
| Variable | N (%)/Mean (SD) | N (%)/Mean (SD) | N (%)/Mean (SD) | p-value* |
| Demographic information | ||||
| Age | 50.33 (11.32) | 51.41 (10.42) | 48.95 (12.38) | .32 |
| Sex (ref: male) | 54 (62.1) | 30 (61.2) | 24 (63.2) | .85 |
| Race | .15 | |||
| White/European American | 20 (23.5) | 10 (20.8) | 10 (27.0) | |
| Black/African American | 58 (68.2) | 33 (68.8) | 25 (67.6) | |
| Other | 7 (8.3) | 5 (10.4) | 2 (5.3) | |
| Marital Status | .40 | |||
| Married/partnered | 48 (55.8) | 27 (55.1) | 21 (55.3) | |
| Divorce/separated | 21 (24.4) | 9 (18.4) | 12 (31.6) | |
| Widowed | 2 (2.3) | 2 (4.1) | 0 (0) | |
| Never married | 15 (17.2) | 10 (20.4) | 5 (13.2) | |
| Working Status (ref: not working) | 61 (70.9) | 37 (75.5) | 24 (64.9) | .28 |
| Clinical Measures at Baseline | ||||
| Functional measures | ||||
| Social Roles T score | 41.36 (5.45) | 41.20 (5.39) | 41.11 (5.84) | .94 |
| Physical Functioning T score | 41.60 (7.23) | 41.60 (7.29) | 38.95 (6.05) | .08 |
| Pain measures | ||||
| Pain Interference T score | 60.93 (7.39) | 60.93(7.39) | 63.79 (6.78) | .07 |
| Pain Intensity T score | 51.07 (7.02) | 51.20 (7.01) | 53.80 (8.23) | .12 |
| PTSD | 47.79 (15.38) | 44.97 (15.47) | 51.48 (14.71) | .09 |
| Other mental health measures | ||||
| Anger T score | 61.83 (10.73) | 61.83 (10.73) | 66.23 (10.07) | .04 |
| Depression T score | 59.16 (8.75) | 59.16 (8.75) | 24.67 (7.12) | .08 |
| Anxiety T score | 63.04 (7.93) | 63.22 (7.95) | 24.86 (6.11) | .23 |
| Kinesiophobia | 43.33 (6.30) | 41.64 (6.38) | 45.77 (5.40) | .004 |
Note:
* =
p value for t-tests comparing completers to non-completers. All PROMIS measures are reported as T scores, per recommendations.