Table 1 Descriptive data for process measures at baseline and at the 4 and 12-month follow-up
Process measures | Intervention | Control | ||
|---|---|---|---|---|
N | Mean (SD) | N | Mean (SD) | |
Importance | ||||
 Baseline | 96 | 5.58 (2.58) | 121 | 5.49 (2.90) |
 Month 4 | 95 | 7.55 (2.22) | 117 | 6.53 (2.76) |
 Month 12 | 100 | 7.14 (2.55) | 122 | 6.34 (2.77) |
Confidence | ||||
 Baseline | 97 | 6.06 (2.73) | 121 | 5.60 (3.10) |
 Month 4 | 95 | 6.72 (2.82) | 117 | 5.56 (3.28) |
 Month 12 | 100 | 6.07 (2.94) | 122 | 5.44 (3.28) |
Competence | ||||
 Baseline | 97 | 13.74 (3.46) | 123 | 13.14 (3.65) |
 Month 4 | 93 | 14.27 (3.64) | 113 | 12.69 (3.92) |
 Month 12 | 99 | 13.40 (4.09) | 118 | 12.51 (3.94) |
Autonomy | ||||
 Baseline | 98 | 14.54 (3.18) | 121 | 14.26 (3.48) |
 Month 4 | 93 | 15.31 (3.31) | 116 | 14.69 (3.64) |
 Month 12 | 96 | 15.32 (3.41) | 121 | 14.53 (3.45) |
Support availability | ||||
 Baseline | 97 | 10.47 (2.93) | 122 | 9.89 (3.39) |
 Month 4 | 94 | 10.80 (2.87) | 115 | 9.77 (3.38) |
 Month 12 | 97 | 10.36 (3.18) | 121 | 9.69 (3.30) |
Support frequency | ||||
 Baseline | 99 | 7.61 (3.17) | 122 | 7.01 (3.50) |
 Month 4 | 94 | 8.03 (3.41) | 116 | 7.58 (3.62) |
 Month 12 | 100 | 7.70 (3.38) | 120 | 6.97 (3.62) |
Use of action planning | ||||
 Baseline | 97 | 13.13 (5.03) | 117 | 12.99 (5.25) |
 Month 4 | 92 | 17.09 (4.67) | 114 | 16.10 (5.00) |
 Month 12 | 97 | 15.88 (4.91) | 120 | 14.84 (5.19) |
Use of self-monitoring | ||||
 Baseline | 98 | 5.70 (1.97) | 121 | 5.17 (2.16) |
 Month 4 | 94 | 7.36 (2.03) | 115 | 6.60 (2.02) |
 Month 12 | 99 | 6.70 (2.09) | 121 | 6.32 (1.95) |