Table 2.
Psychological outcomes by group and across time
| p-valueb | ||||||||
|---|---|---|---|---|---|---|---|---|
| Assessment Perioda | Time | Group | Group × Time Interaction |
|||||
| Outcome Variable and Group |
Baseline (n=91) |
3 months (n=82) |
6 months (n=88) |
3 months vs baseline |
6 months vs baseline |
Baseline to 3 months |
Baseline to 6 months |
|
| Depressive Symptomsc | ||||||||
| Intervention | 7.9 (1.3) | 8.0 (1.3) | 8.5 (1.3) | 0.856 | 0.815 | 0.359 | 0.859 | 0.228 |
| Control | 8.6 (1.3) | 9.1 (1.3) | 10.2 (1.3) | 0.669 | 0.187 | |||
| Difference between groups | −0.40 (−3.4, 2.6) | −1.0 (−4.0, 2.0) | ||||||
| Anorectic Cognitions | ||||||||
| Intervention | 32.9 (1.0) | 32.5 (1.0) | 31.7 (1.0) | 0.553 | 0.090 | 0.794 | 0.293 | 0.406 |
| Control | 31.9 (1.0) | 32.6 (1.1) | 31.5 (1.0) | 0.390 | 0.586 | |||
| Difference between groups | −1.1 (−3.2, 1.0) | −0.84 (−2.9, 1.2) | ||||||
| Body Dissatisfaction | ||||||||
| Intervention | 109.7 (4.7) | 100.5 (4.8) | 98.9 (4.8) | 0.013 | 0.003 | 0.490 | 0.052 | 0.007 |
| Control | 106.2 (4.9) | 107.1 (4.9) | 109.1 (4.9) | 0.813 | 0.427 | |||
| Difference between groups | −10.1 (−20.3, 0.14) | −13.7 (−23.7, −3.7) | ||||||
| Dietary Restraint | ||||||||
| Intervention | 9.3 (0.59) | 12.9 (0.60) | 13.4 (0.60) | <0.001 | <0.001 | 0.004 | <0.001 | <0.001 |
| Control | 9.3 (0.60) | 9.9 (0.62) | 9.6 (0.61) | 0.133 | 0.415 | |||
| Difference between groups | 2.9 (1.7, 4.2) | 3.7 (2.5, 5.0) | ||||||
| Disinhibition | ||||||||
| Intervention | 8.3 (0.44) | 7.5 (0.45) | 7.0 (0.45) | 0.036 | <0.001 | 0.966 | .225 | 0.119 |
| Control | 7.8 (0.45) | 7.7 (0.46) | 7.3 (0.46) | 0.702 | 0.168 | |||
| Difference between groups | −0.61 (−1.6, 0.38) | −0.77 (−1.7, 0.20) | ||||||
| Susceptibility to Hunger | ||||||||
| Intervention | 5.7 (0.43) | 5.2 (0.45) | 4.9 (0.44) | 0.176 | 0.045 | 0.011 | 0.065 | 0.192 |
| Control | 6.5 (0.44) | 7.0 (0.45) | 6.4 (0.45) | 0.206 | 0.885 | |||
| Difference between groups | −1.0 (−2.1, 0.06) | −0.70 (−1.8, 0.36) | ||||||
| Binge Eating, n (%) | ||||||||
| Intervention | 14 (30) | 11 (27) | 6 (14) | 0.653 | 0.022 | 0.879 | 0.099 | 0.079 |
| Control | 8 (18) | 13 (32) | 9 (21) | 0.075 | 0.139 | |||
| OR (95% CI) | 2.5 (0.8, 8.6) | 3.9 (0.9, 10.0) | ||||||
a
All values are M (SE) unless otherwise specified; values for difference between groups are M (95% CI).
b
Significant p-values are shown in bold.
c
Depressive Symptoms: p-values derived from the transformed variable with raw Ms and SEs are presented.
d
All models controlled for baseline BMI.