TABLE 2.
Two-way analyses of variance of the study variables for the three groups.
| Variable |
A Patients with AN (n = 41) |
B Patients with depression (n = 20) |
C Non-patient controls (n = 53) |
F (2,108) | P-value | η2 | Tukey–Kramer post hoc | |||
| M | SD | M | SD | M | SD | |||||
| EAT-26 | 49.16 | 14.73 | 16.03 | 15.33 | 9.91 | 8.81 | 115.14 | p < 0.001 | 0.68 | A > B∗∗∗,C∗∗∗ |
| BDI | 33.42 | 13.07 | 33.45 | 18.65 | 5.50 | 8.63 | 68.35 | p < 0.001 | 0.56 | C < A∗∗∗,B∗∗∗ |
| General RF | 3.53 | 1.53 | 3.71 | 1.56 | 4.69 | 1.30 | 7.49 | p < 0.01 | 0.12 | C > A∗∗,B∗ |
| RME | 24.57 | 3.95 | 24.56 | 5.33 | 24.98 | 3.13 | 0.14a | p = 0.74 | 0.00 | |
| TAS-20 | 64.10 | 12.28 | 65.10 | 12.27 | 44.15 | 9.67 | 40.38b | p < 0.001 | 0.43 | C < A∗∗∗,B∗∗∗ |
| TAS dif | 25.23 | 5.86 | 25.92 | 5.84 | 16.31 | 5.21 | 32.7 | p < 0.001 | 0.38 | C < A∗∗∗,B∗∗∗ |
| TAS ddf | 18.26 | 4.87 | 18.78 | 4.61 | 11.34 | 4.00 | 31.03 | p < 0.001 | 0.37 | C < A∗∗∗,B∗∗∗ |
| TAS eot | 20.62 | 5.22 | 20.40 | 6.32 | 16.49 | 5.35 | 6.91 | p = 0.02 | 0.11 | C < A∗∗,B∗ |
| ER | 2.52 | 0.96 | 2.09 | 1.03 | 3.30 | 0.77 | 15.50 | p < 0.001 | 0.21 | C < A∗∗∗,B∗∗∗ |
| EC | 3.30 | 1.06 | 3.34 | 1.27 | 4.39 | 0.79 | 14.11 | p < 0.001 | 0.20 | C < A∗∗∗,B∗∗∗ |
∗p < 0.05, ∗∗p < 0.01, ∗∗∗p < 0.001. a = df (2,106); b = df (2,107). BDI, Beck Depression Inventory; RF, Reflective Function; RME, Reading the Mind in the Eyes; TAS-20, Toronto Alexithymia Scale; TAS dif, difficulty in identifying feelings; TAS ddf, difficulty in describing feelings; TAS eot, externally oriented thinking; ER, Differentiation of Self Inventory – emotional reactivity; EC, Differentiation of Self Inventory – emotional cutoff.