Table 2.
Assessment scores.
| Outcome and group | Per protocol | Intention to treat | ||||||||||||||
|
|
|
T1a | T2b | T3c | T2 | T3 | ||||||||||
|
|
|
n | Mean (SD) | n | Mean (SD) | n | Mean (SD) | n | Mean (SD) | n | Mean (SD) | |||||
| Beck Depression Inventory-II | ||||||||||||||||
|
|
Guided (n=151) | 151 | 30.09 (9.18) | 132 | 19.59 (6.60) | 132 | 14.87 (8.77) | 151 | 20.71 (6.98) | 151 | 16.61 (9.55) | |||||
|
|
Unguided (n=150) | 150 | 30.54 (8.53) | 120 | 20.44 (7.22) | 116 | 15.86 (8.03) | 150 | 22.51 (7.83) | 150 | 18.49 (8.88) | |||||
|
|
Control (n=100) | 100 | 30.88 (10.74) | 54 | 27.30 (7.05) | 53 | 31.11 (8.30) | 100 | 29.09 (6.39) | 100 | 30.26 (6.97) | |||||
| Quick Inventory of Depressive Symptomatology – Self Report | ||||||||||||||||
|
|
Guided (n=151) | 151 | 17.41 (6.17) | 132 | 11.14 (4.63) | 132 | 6.53 (3.55) | 151 | 11.62 (4.54) | 151 | 7.33 (4.01) | |||||
|
|
Unguided (n=150) | 150 | 19.36 (5.44) | 120 | 11.00 (3.71) | 116 | 6.84 (4.09) | 150 | 12.09 (4.03) | 150 | 7.99 (4.31) | |||||
|
|
Control (n=100) | 100 | 18.55 (6.04) | 54 | 17.17 (4.50) | 53 | 20.15 (3.78) | 100 | 16.90 (3.60) | 100 | 17.88 (4.06) | |||||
| Hamilton Rating Depression Scale | ||||||||||||||||
|
|
Guided (n=151) | 151 | 23.23 (6.28) | N/Ad | N/A | 123 | 11.46 (6.81) | N/A | N/A | 151 | 11.95 (6.50) | |||||
|
|
Unguided (n=150) | 150 | 23.22 (6.75) | N/A | N/A | 70 | 12.19 (6.57) | N/A | N/A | 150 | 14.75 (5.88) | |||||
|
|
Control (n=100) | 100 | 22.64 (6.76) | N/A | N/A | 80 | 20.91 (8.78) | N/A | N/A | 100 | 21.13 (8.20) | |||||
| Beck Anxiety Inventory | ||||||||||||||||
|
|
Guided (n=151) | 150 | 32.46 (11.32) | 132 | 23.36 (11.97) | 128 | 14.45 (9.06) | 151 | 24.65 (11.79) | 151 | 17.25 (11.05) | |||||
|
|
Unguided (n=150) | 150 | 34.09 (11.68) | 120 | 20.43 (9.25) | 118 | 16.22 (9.57) | 150 | 23.27 (10.23) | 150 | 19.98 (11.67) | |||||
|
|
Control (n=100) | 100 | 31.83 (14.14) | 52 | 37.92 (9.62) | 52 | 31.02 (7.51) | 100 | 37.56 (7.98) | 100 | 34.91 (7.56) | |||||
aT1 represents the start of the study.
bT2 represents the midpoint of the intervention (6 weeks after the start of the study)
cT3 represents the end of the intervention (12 weeks after the start of the study).
dN/A: not applicable. No data were available because the Hamilton Rating Depression Scale was not used at the midpoint assessment.