Table 3. Hierarchical regression analysis predicting ED symptoms (global score) from BMI, frequency of traumatic events, dissociation, emotional dysregulation, and body dissatisfaction, while controlling for demographic variables (N = 233).
| Standardized β | T | Adj. R2 | ΔR2 | F(df) | p | |
|---|---|---|---|---|---|---|
| Step 1 | 0.006 | 1.49(3,223) | NS | |||
| Sex | 0.12 | 1.73 | ||||
| Education | −0.08 | −0.96 | ||||
| Age | 0.12 | 1.40 | ||||
| Step 2 | 0.12 | 0.11*** | 8.38***(4,222) | 0.00 | ||
| Sex | 0.16 | 2.34* | 0.02 | |||
| Education | −0.05 | −0.63 | 0.53 | |||
| Age | −0.02 | −0.22 | 0.83 | |||
| BMI | 0.36 | 5.34*** | 0.00 | |||
| Step 3 | 0.17 | 0.06*** | 8.61***(6,220) | 0.00 | ||
| Sex | 0.15 | 2.26* | 0.03 | |||
| Education | −0.01 | −0.07 | 0.95 | |||
| Age | −0.04 | −0.05 | 0.96 | |||
| BMI | 0.35 | 5.36*** | 0.00 | |||
| LEC | 0.01 | 0.21 | 0.84 | |||
| DES-II | 0.25 | 3.89*** | 0.00 | |||
| Step 4 | 0.23 | 0.06*** | 10.61***(7,219) | 0.00 | ||
| Sex | 0.17 | 2.58** | 0.01 | |||
| Education | 0.03 | 0.43 | 0.67 | |||
| Age | 0.05 | 0.62 | 0.54 | |||
| BMI | 0.34 | 5.41*** | 0.00 | |||
| LEC | −0.01 | −0.20 | 0.84 | |||
| DES-II | 0.16 | 2.49** | 0.01 | |||
| DERS | 0.28 | 4.30*** | 0.00 | |||
| Step 5 | 0.31 | 0.08*** | 13.78***(8,218) | 0.00 | ||
| Sex | 0.07 | 1.16 | 0.25 | |||
| Education | −0.01 | −0.10 | 0.93 | |||
| Age | 0.08 | 1.09 | 0.28 | |||
| BMI | 0.24 | 3.83*** | 0.00 | |||
| LEC | 0.01 | 0.23 | 0.82 | |||
| DES-II | 0.16 | 2.60** | 0.01 | |||
| DERS | 0.21 | 3.30*** | 0.001 | |||
| FRS | 0.32 | 5.21*** | 0.00 |
Notes:
*
p < 0.05.
**
p < 0.01.
***
p < 0.001.
Sex (1 = male; 2 = female); BMI, body mass index; LEC, life events checklist; DES-II, dissociative experiences scale-II (total score); DERS, difficulties in emotional regulation scale (total score); FRS, figure rating scale.