Table 2. Descriptive Statistics for Outcomes by Training Group and Time.
| Outcome | VSP group | Control group | ||
|---|---|---|---|---|
| No. of participants | Score, mean (SD) | No. of participants | Score, mean (SD) | |
| MITI | ||||
| Relational global | ||||
| Baseline | 61 | 3.02 (1.00) | 59 | 2.79 (0.86) |
| Posttraining | 57 | 3.62 (0.69) | 58 | 2.96 (0.87) |
| 3-Month training | 54 | 3.50 (0.81) | 51 | 3.13 (0.86) |
| Technical global | ||||
| Baseline | 61 | 2.61 (0.69) | 59 | 2.68 (0.68) |
| Posttraining | 57 | 3.04 (0.62) | 58 | 2.82 (0.55) |
| 3-Month training | 54 | 3.07 (0.61) | 51 | 2.85 (0.72) |
| % Complex reflections | ||||
| Baseline | 61 | 54.48 (13.79) | 59 | 56.66 (16.57) |
| Posttraining | 57 | 55.07 (15.23) | 58 | 53.67 (17.59) |
| 3-Month training | 54 | 55.56 (13.13) | 51 | 54.69 (18.64) |
| Reflection-to-question ratio | ||||
| Baseline | 61 | 0.59 (0.34) | 59 | 0.53 (0.34) |
| Posttraining | 57 | 0.87 (0.43) | 58 | 0.53 (0.30) |
| 3-Month training | 54 | 0.88 (0.45) | 51 | 0.52 (0.28) |
| MKT-R | ||||
| Baseline | 61 | 0.53 (0.12) | 59 | 0.51 (0.12) |
| Posttraining | 59 | 0.59 (0.11) | 58 | 0.59 (0.12) |
| 3-Month training | 54 | 0.58 (0.13) | 51 | 0.62 (0.11) |
| HRQ | ||||
| Baseline | 61 | 11.92 (5.28) | 59 | 10.25 (4.71) |
| Posttraining | 59 | 19.00 (4.41) | 58 | 12.43 (4.95) |
| 3-Month training | 54 | 19.28 (3.87) | 51 | 12.37 (5.72) |
| MIKAT | ||||
| Baseline | 61 | 23.18 (3.21) | 59 | 22.41 (4.11) |
| Posttraining | 59 | 25.56 (2.21) | 58 | 25.53 (2.37) |
| 3-Month training | 54 | 25.57 (2.47) | 51 | 25.78 (2.39) |
| PKSCS | ||||
| Knowledge | ||||
| Baseline | 61 | 3.57 (1.10) | 59 | 3.78 (0.87) |
| Posttraining | 59 | 2.82 (0.80) | 58 | 2.63 (0.93) |
| 3-Month training | 54 | 2.81 (1.06) | 51 | 2.66 (1.04) |
| Skills | ||||
| Baseline | 61 | 3.76 (1.12) | 59 | 3.94 (0.86) |
| Posttraining | 59 | 3.02 (0.78) | 58 | 2.78 (0.77) |
| 3-Month training | 54 | 2.88 (0.78) | 51 | 2.68 (0.75) |
| Confidence | ||||
| Baseline | 61 | 3.55 (1.17) | 59 | 3.54 (1.06) |
| Posttraining | 59 | 2.97 (0.81) | 58 | 2.70 (0.76) |
| 3-Month training | 54 | 2.87 (0.85) | 51 | 2.66 (0.90) |
| MI self-efficacy | ||||
| Baseline | 61 | 53.33 (19.49) | 59 | 57.69 (22.04) |
| Posttraining | 59 | 69.55 (15.34) | 58 | 72.85 (16.38) |
| 3-Month training | 54 | 74.50 (14.09) | 51 | 75.63 (14.89) |
Abbreviations: HRQ, Helpful Responses Questionnaire; MI, motivational interviewing; MIKAT, Motivational Interviewing Knowledge and Attitudes Test; MITI, Motivational Interviewing Treatment Integrity; MKT-R, Motivational Knowledge Test–Revised; PKSCS, Provider Knowledge, Skills, and Confidence Survey; VSP, virtual standardized patient.