Table 4.
Treatment group differences in AUC for reductions in binge eating and purge symptoms for treatment sessions 1-10 predicting abstinence at end-of-treatment.
| FBT-BN | CBT-A | SPT | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| N | AUC | SE | CI | N | AUC | SE | CI | N | AUC | SE | CI | |
| Binge eating | ||||||||||||
| 1 | 27 | .465 | .122 | .226-.703 | 18 | .563 | .239 | .094–1.031 | 13 | .750 | .139 | .477–1.023 |
| 2 | 27 | .700 | .105 | .494-.906 | 18 | .453 | .324 | -.182–.906 | 12 | .722 | .152 | .425–1.02 |
| 3 | 23 | .662 | .118 | .431-.892 | 15 | .423 | .308 | -.180–1.026 | 10 | .813* | .142 | .533–1.092 |
| 4 | 26 | .767** | .096 | .579-.955 | 18 | .422 | .306 | -.178–1.021 | 11 | .813* | .131 | .555–1.07 |
| 5 | 24 | .611 | .119 | .377-.844 | 12 | .773 | .178 | .424–1.121 | 9 | .833* | .140 | .559–1.107 |
| 6 | 23 | .658 | .119 | .424-.891 | 15 | .442 | .275 | .834–.982 | 8 | .833* | .150 | .540–1.127 |
| 7 | 23 | .569 | .121 | .332-.807 | 16 | .304 | .251 | -.189–.796 | 10 | .813* | .142 | .533–1.092 |
| 8 | 23 | .615 | .122 | .377-.854 | 16 | .767 | .170 | .434–1.100 | 9 | .813 | .171 | .477–1.148 |
| 9 | 23 | .658 | .119 | .424-.891 | 16 | .750 | .142 | .472–1.028 | 10 | .750 | .165 | .426–1.074 |
| 10 | 23 | .654 | .114 | .429-.878 | 16 | .750 | .142 | .472–1.028 | 9 | .750 | .204 | .350–1.150 |
| Purge | ||||||||||||
| 1 | 22 | .513 | .137 | .246-.781 | 15 | .464 | .135 | .200–.728 | 11 | .556 | .261 | .045–1.066 |
| 2 | 22 | .754* | .107 | .545-.964 | 15 | .214 | .110 | -.001–.429 | 10 | .875** | .116 | .649–1.101 |
| 3 | 20 | .635 | .127 | .387-.884 | 12 | .318 | .143 | .039–.598 | 8 | .917*** | .107 | .708–1.126 |
| 4 | 20 | .654 | .123 | .413-.894 | 15 | .393 | .132 | .134–.652 | 8 | .917*** | .107 | .708–1.126 |
| 5 | 20 | .648 | .131 | .391-.905 | 11 | — | — | — | 6 | .750 | .210 | .338–1.162 |
| 6 | 19 | .648 | .131 | .391-.905 | 12 | .167 | .108 | -.044–.378 | 8 | .750 | .182 | .394–1.106 |
| 7 | 19 | .659 | .128 | .409-.909 | 13 | .250 | .125 | .005–.495 | 7 | .667 | .261 | .156–1.177 |
| 8 | 19 | .608 | .133 | .347-.869 | 14 | .769 | .173 | .430–1.109 | 7 | .667 | .261 | .156–1.177 |
| 9 | 19 | .648 | .131 | .391-.905 | 13 | .792 | .164 | .470–1.114 | 7 | .750 | .220 | .318–1.182 |
| 10 | 19 | .568 | .135 | .303-.833 | 13 | .792 | .164 | .470–1.114 | 7 | .333 | .192 | -.044–.771 |
*= p < .05; **= p < .01, ***= p < .001; AUC, area under the curve; CBT-A, cognitive behavioral therapy for adolescents; CI, confidence interval; FBT-BN, family-based treatment for bulimia nervosa; SE, standard error; SPT, supportive psychotherapy.