TABLE 1.
Participant demographics and characteristics. Entries are of the form mean (standard deviation). CW: healthy comparison women; RBN: women remitted from bulimia nervosa; BMI: body mass index (kg/m2); WASI: Wechsler Abbreviated Scale of Intelligence; STAI: State-Trait Anxiety Inventory; EDI-2: Eating Disorder Inventory-2; BDI: Beck Depression Inventory. One CW and two RBN did not complete clinical assessments.
| Characteristic | CW (N = 22) | RBN (N = 26) | ||||||
|---|---|---|---|---|---|---|---|---|
| M | SD | M | SD | F | df | p | ||
| Demographics | Age | 25.95 | 6.32 | 28.24 | 5.40 | 1.79 | 45 | n.s. |
| BMI | 22.09 | 2.06 | 22.11 | 1.92 | 0.00 | 45 | n.s. | |
| Education | 15.77 | 1.31 | 16.54 | 2.35 | 1.84 | n.s. | ||
| Estradiol (pg/mL) | 12.88 | 7.91 | 13.52 | 5.52 | 0.08 | 32 | n.s. | |
| Scanner | Signa Excite | 10 | 14 | |||||
| MR 750 | 12 | 12 | ||||||
|
Lifetime Diagnosis (#) |
MDD | 0 | 15 | |||||
| Any anxiety disorder | 1 | 10 | ||||||
| OCD | 0 | 4 | ||||||
|
Past substance abuse/dependence (#) |
Alcohol | 0 | 3 | |||||
| Cannabis | 0 | 1 | ||||||
|
Self-Report Assessments |
STAI State Anxiety | 23.57 | 3.34 | 28.83 | 8.18 | 7.57 | 43 | 0.009 |
| STAI Trait Anxiety | 23.33 | 3.35 | 28.07 | 7.50 | 7.11 | 43 | 0.011 | |
| EDI-2 Bulimia | 0.00 | 0.00 | 0.17 | 0.64 | 1.43 | 43 | n.s. | |
| BDI | 0.29 | 0.46 | 2.00 | 2.75 | 7.94 | 43 | 0.007 | |
| Symptom Severity | Lowest BMI | 20.37 | 1.51 | 17.92 | 2.93 | 11.96 | 44 | 0.001 |
| Duration of BN (months) |
- | - | 69.76 | 47.11 | ||||
| Length of Recovery (months) |
- | - | 50.16 | 43.53 | ||||
| Worst Binge Frequency (per week) |
- | - | 19.08 | 13.63 | ||||
| Worst Purge Frequency (per week) |
- | - | 20.38 | 21.31 | ||||