Table 3.
Results of Mixed Models Comparing 6-month Outcomes for African American Primary Care Patients Randomized to Computerized Cognitive Behavioral Therapy (cCBT) Program Versus Usual Care (UC)
| African American Patients (n = 113) | cCBT (N = 91) | UC (N = 22) | Between-Group Difference (95% CI) | Cohen’s d (95% CI) |
|---|---|---|---|---|
| MCS | ||||
| Baseline | 31.68 (1.09) | 31.73 (2.21) | 3.01 (− 2.10,8.13) p value = 0.248 | 0.25 (− 0.13, 0.64) |
| 6 month | 43.81 (1.12) | 40.84 (2.21) | ||
| Delta 6 month | 12.13 (1.18) | 9.11 (2.33) | ||
| PROMIS-Anxiety | ||||
| Baseline | 66.47 (0.85) | 64.20 (1.72) | − 5.65 (− 9.44, − 1.85)p value = 0.0036 | − 0.54 (− 0.92, − 0.16) |
| 6 month | 56.01 (0.87) | 59.39 (1.72) | ||
| Delta 6 month | − 10.46 (0.87) | − 4.81 (1.72) | ||
| PROMIS-Depression | ||||
| Baseline | 63.36 (0.83) | 61.04 (1.68) | − 4.75 (− 8.20,− 1.31)p value = 0.0069 | − 0.47 (− 0.85, − 0.09) |
| 6 month | 53.93 (0.85) | 56.37 (1.68) | ||
| Delta 6 month | − 9.43 (0.79) | − 4.67 (1.57) | ||
The p value for 3-way interaction restricted to 6 months for MCS model is 0.5349, for PROMIS-Anxiety is 0.0536, and for PROMIS-Depression is 0.1084