Table 1. Pre-treatment Characteristics by Treatment Group and Site.
| Wait-List | Self-Help | Therapist-Assisted | Therapist-Led | Total Sample | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| (MN=31/ND=38/Total=69) | (MN=15/ND=52/Total=67) | (MN=18/ND=45/Total=63) | (MN=37/ND=23/Total=60) | (MN=101/ND=158/Total=259) | ||||||
|
Age (mean ± SD) |
MN: | 49.3 ± 8.4 | MN: | 52.1 ± 8.3 | MN: | 50.3 ± 9.1 | MN: | 50.3 ± 9.1 | MN: | 52.1 ± 8.3† |
| ND: | 46.2 ± 12.0 | ND: | 45.6 ± 10.6 | ND: | 47.2 ± 9.0 | ND: | 47.2 ± 9.0 | ND: | 45.6 ± 10.6† | |
| Total: | 47.6 ± 10.6 | Total: | 47.1 ± 10.4 | Total: | 48.1 ± 9.1 | Total: | 48.1 ± 9.1 | Total: | 47.1 ± 10.4 | |
|
Females (n, %) |
MN: | 23 (74.2%) | MN: | 15 (100%) | MN: | 13 (72.2%) | MN: | 37 (100%) | MN: | 88 (87.1%) |
| ND: | 33 (86.8%) | ND: | 45 (86.5%) | ND: | 38 (84.4%) | ND: | 23 (100%) | ND: | 139 (88.0%) | |
| Total: | 56 (81.2%)‡ | Total: | 60 (89.6%) | Total: | 51 (81.0%)‡ | Total: | 60 (100%)‡ | Total: | 227 (87.6%) | |
|
Caucasian (n, %) |
MN: | 29 (93.5%) | MN: | 15 (100%) | MN: | 18 (100%) | MN: | 33 (89.2%) | MN: | 95 (94.1%) |
| ND: | 38 (100%) | ND: | 52 (100%) | ND: | 42 (93.3%) | ND: | 22 (95.7%) | ND: | 154 (97.5%) | |
| Total: | 67 (97.1%) | Total: | 67 (100%) | Total: | 60 (95.2%) | Total: | 55 (91.7%) | Total: | 249 (96.1%) | |
|
Antidepressant Medication (n, %) |
MN: | 25 (80.6%) | MN: | 12 (80.0%) | MN: | 14 (77.8%) | MN: | 33 (89.2%) | MN: | 80 (79.2%) |
| ND: | 28 (73.7%) | ND: | 43 (82.7%) | ND: | 36 (86.0%) | ND: | 22 (95.7%) | ND: | 124 (78.5%) | |
| Total: | 53 (76.8%) | Total: | 55 (82.1%) | Total: | 50 (79.4%) | Total: | 55 (91.7%) | Total: | 204 (78.8%) | |
|
BMI (mean ± SD) |
MN: | 39.8 ± 7.7 | MN: | 35.9 ± 7.7 | MN: | 39.7 ± 9.1 | MN: | 37.9 ± 8.3 | MN: | 38.5 ± 8.2 |
| ND: | 36.7 ± 5.9 | ND: | 38.8 ± 7.0 | ND: | 41.1 ± 8.7 | ND: | 41.3 ± 8.2 | ND: | 39.3 ± 7.6 | |
| Total: | 38.1 ± 6.9 | Total: | 38.2 ± 7.2 | Total: | 40.7 ± 8.8 | Total: | 39.2 ± 8.3 | Total: | 39.0 ± 7.8 | |
|
Objective Binge Days (mean ± SD) |
MN: | 16.9 ± 8.0 | MN: | 16.2 ± 6.9 | MN: | 16.6 ± 7.1 | MN: | 17.0 ± 6.7 | MN: | 16.8 ± 7.1 |
| ND: | 17.3 ± 6.4 | ND: | 16.4 ± 6.9 | ND: | 16.3 ± 6.3 | ND: | 14.2 ± 7.0 | ND: | 16.3 ± 6.6 | |
| Total: | 17.1 ± 7.1 | Total: | 16.4 ± 6.8 | Total: | 16.4 ± 6.5 | Total: | 16.0 ± 6.9 | Total: | 16.5 ± 6.8 | |
|
Objective Binge Episodes (mean ± SD) |
MN: | 22.8 ± 16.1 | MN: | 18.5 ± 10.4 | MN: | 22.2 ± 15.3 | MN: | 27.4 ± 21.2 | MN: | 23.7 ± 17.4 |
| ND: | 23.5 ± 12.3 | ND: | 23.5 ± 14.4 | ND: | 21.8 ± 11.2 | ND: | 20.0 ± 13.2 | ND: | 22.5 ± 12.8 | |
| Total: | 23.1 ± 14.1 | Total: | 22.4 ± 13.7 | Total: | 21.9 ± 12.3 | Total: | 24.6 ± 18.7 | Total: | 23.0 ± 14.8 | |
|
EDE Restraint (mean ± SD) |
MN: | 1.4 ± 1.3 | MN: | 1.9 ± 1.7 | MN: | 1.4 ± 1.1 | MN: | 1.8 ± 1.4 | MN: | 1.6 ± 1.4 |
| ND: | 1.5 ± 1.2 | ND: | 1.7 ± 1.4 | ND: | 1.3 ± 1.1 | ND: | 1.4 ± 1.1 | ND: | 1.5 ± 1.2 | |
| Total: | 1.5 ± 1.2 | Total: | 1.8 ± 1.5 | Total: | 1.3 ± 1.1 | Total: | 1.6 ± 1.3 | Total: | 1.5 ± 1.3 | |
|
EDE Eating Concerns (mean ± SD) |
MN: | 1.7 ± 1.2 | MN: | 2.4 ± 1.1 | MN: | 1.8 ± 1.3 | MN: | 2.4 ± 1.1 | MN: | 2.1 ± 1.2 |
| ND: | 1.8 ± 1.4 | ND: | 1.8 ± 1.3 | ND: | 1.9 ± 1.2 | ND: | 1.6 ± 1.1 | ND: | 1.8 ± 1.3 | |
| Total: | 1.8 ± 1.3 | Total: | 1.9 ± 1.3 | Total: | 1.9 ± 1.2 | Total: | 2.1 ± 1.2 | Total: | 1.9 ± 1.3 | |
|
EDE Shape Concerns (mean ± SD) |
MN: | 3.4 ± 1.1 | MN: | 3.9 ± 0.8 | MN: | 3.2 ± 1.1 | MN: | 4.0 ± 0.9 | MN: | 3.7 ± 1.0 |
| ND: | 3.8 ± 1.1 | ND: | 3.6 ± 1.2 | ND: | 3.2 ± 1.0 | ND: | 3.4 ± 0.7 | ND: | 3.5 ± 1.0 | |
| Total: | 3.6 ± 1.1 | Total: | 3.7 ± 1.1 | Total: | 3.2 ± 1.0 | Total: | 3.8 ± 0.8 | Total: | 3.6 ± 1.0 | |
|
EDE Weight Concerns (mean ± SD) |
MN: | 3.1 ± 0.9 | MN: | 3.5 ± 1.0 | MN: | 3.1 ± 1.1 | MN: | 3.9 ± 1.0 | MN: | 3.4 ± 1.0 |
| ND: | 3.6 ± 1.1 | ND: | 3.4 ± 1.1 | ND: | 3.0 ± 1.2 | ND: | 3.4 ± 1.1 | ND: | 3.3 ± 1.1 | |
| Total: | 3.4 ± 1.0 | Total: | 3.4 ± 1.1 | Total: | 3.0 ± 1.2 | Total: | 3.7 ± 1.0 | Total: | 3.4 ± 1.1 | |
|
EDE Global (mean ± SD) |
MN: | 2.4 ± 0.8 | MN: | 2.9 ± 0.9 | MN: | 2.4 ± 0.8 | MN: | 3.0 ± 0.7 | MN: | 2.7 ± 0.8 |
| ND: | 2.7 ± 0.9 | ND: | 2.6 ± 0.9 | ND: | 2.4 ± 0.8 | ND: | 2.5 ± 0.8 | ND: | 2.6 ± 0.9 | |
| Total: | 2.6 ± 0.9 | Total: | 2.7 ± 0.9 | Total: | 2.4 ± 0.8 | Total: | 2.8 ± 0.8 | Total: | 2.6 ± 0.9 | |
|
IDS-SR (mean ± SD) |
MN: | 26.8 ± 12.9 | MN: | 28.1 ± 11.9 | MN: | 21.9 ± 11.1 | MN: | 26.0 ± 10.4 | MN: | 25.8 ± 11.5 |
| ND: | 26.0 ± 11.8 | ND: | 26.2 ± 11.0 | ND: | 19.8 ± 9.6 | ND: | 24.0 ± 11.8 | ND: | 24.0 ± 11.2 | |
| Total: | 26.4 ± 12.2 | Total: | 26.7 ± 11.2 | Total: | 20.4 ± 10.0 | Total: | 25.2 ± 10.9 | Total: | 24.7 ± 11.3 | |
|
TFEQ Restraint (mean ± SD) |
MN: | 7.2 ± 3.4 | MN: | 8.6 ± 4.1 | MN: | 7.2 ± 3.3 | MN: | 7.7 ± 3.3 | MN: | 7.6 ± 3.4¶ |
| ND: | 6.6 ± 3.0 | ND: | 6.2 ± 3.9 | ND: | 6.0 ± 3.4 | ND: | 5.3 ± 2.9 | ND: | 6.1 ± 3.4¶ | |
| Total: | 6.9 ± 3.2 | Total: | 6.8 ± 4.1 | Total: | 6.4 ± 3.4 | Total: | 6.8 ± 3.3 | Total: | 6.7 ± 3.5 | |
|
TFEQ Disinhibition (mean ± SD) |
MN: | 13.5 ± 2.0 | MN: | 14.0 ± 1.6 | MN: | 13.7 ± 1.5 | MN: | 14.5 ± 1.4 | MN: | 14.0 ± 1.7 |
| ND: | 13.7 ± 2.0 | ND: | 13.7 ± 1.7 | ND: | 13.5 ± 2.0 | ND: | 13.9 ± 1.7 | ND: | 13.7 ± 1.9 | |
| Total: | 13.6 ± 2.0 | Total: | 13.8 ± 1.7 | Total: | 13.6 ± 1.9 | Total: | 14.3 ± 1.5 | Total: | 13.8 ± 1.8 | |
|
TFEQ Hunger (mean ± SD) |
MN: | 9.1 ± 3.6 | MN: | 10.2 ± 3.6 | MN: | 10.1 ± 2.7 | MN: | 9.3 ± 3.4 | MN: | 9.5 ± 3.3 |
| ND: | 9.5 ± 3.6 | ND: | 10.4 ± 2.9 | ND: | 9.7 ± 3.1 | ND: | 9.9 ± 3.1 | ND: | 9.9 ± 3.2 | |
| Total: | 9.3 ± 3.5 | Total: | 10.4 ± 3.1 | Total: | 9.8 ± 3.0 | Total: | 9.5 ± 3.3 | Total: | 9.8 ± 3.2 | |
|
IWQOL-Lite Total (mean ± SD) |
MN: | 56.9 ± 21.7 | MN: | 55.3 ± 26.7 | MN: | 52.5 ± 22.8 | MN: | 54.4 ± 16.5 | MN: | 55.0 ± 20.8 |
| ND: | 53.1 ± 14.1 | ND: | 52.6 ± 19.4 | ND: | 51.7 ± 19.3 | ND: | 51.6 ± 19.4 | ND: | 52.3 ± 18.3 | |
| Total: | 55.3 ± 18.7 | Total: | 53.3 ± 21.4 | Total: | 52.0 ± 20.3 | Total: | 53.4 ± 17.5 | Total: | 53.5 ± 19.4 | |
|
Rosenberg Self-Esteem (mean ± SD) |
MN: | 2.6 ± 1.9 | MN: | 2.8 ± 2.3 | MN: | 1.9 ± 1.8 | MN: | 2.5 ± 1.9 | MN: | 2.5 ± 1.9 |
| ND: | 3.1 ± 2.0 | ND: | 3.3 ± 2.0 | ND: | 2.5 ± 2.0 | ND: | 2.7 ± 1.9 | ND: | 2.9 ± 2.0 | |
| Total: | 2.8 ± 2.0 | Total: | 3.2 ± 2.1 | Total: | 2.3 ± 1.9 | Total: | 2.6 ± 1.9 | Total: | 2.7 ± 2.0 | |
†
p = .014 for main effect of site (MN > ND)
‡
p = .003 for main effect of treatment group (TL > WL,TA)
¶
p = .001 for main effect of site (MN > ND)