Table 4.
Comparison of Eating Disorder Inventory scores
| Females | Males | |||||
| 1989 (N = 290) Mean (s.d.) | 2011 (N = 708) Mean (s.d.) | t (df) | 1989 (N = 248) Mean (s.d.) | 2011 (N = 261) Mean (s.d.) | t (df) | |
| Drive for thinness | 3.8 (5.2) | 3.8 (5.3) | 0.00 (546.8) | 0.8 (1.9) | 1.3 (2.7) | 2.43* (467.9) |
| Bulimia | 1.1 (2.0) | 1.2 (2.8) | 0.63 (743.4) | 0.6 (1.2) | 0.6 (1.3) | 0.00 (506.6) |
| Body dissatisfaction | 8.7 (7.0) | 7.9 (7.7) | −1.59 (587.5) | 4.5 (4.7) | 3.9 (5.7) | −1.30 (497.2) |
| Ineffectiveness | 4.2 (5.1) | 4.1 (4.7) | −0.29 (500.3) | 2.2 (3.2) | 3.5 (4.3) | 3.88*** (479.8) |
| Perfectionism | 5.7 (3.8) | 7.4 (4.6) | 6.02*** (645.1) | 6.1 (3.9) | 6.7 (4.0) | 1.71 (506.7) |
| Interpersonal distrust | 2.6 (3.1) | 2.3 (3.3) | −1.36 (569.4) | 3.0 (3.0) | 2.6 (3.5) | −1.39 (501.7) |
| Interoceptive awareness | 3.4 (3.6) | 3.0 (4.2) | −1.52 (622.0) | 1.9 (2.4) | 2.1 (3.3) | 0.78 (475.1) |
| Maturity fears | 5.6 (4.7) | 5.0 (5.0) | −1.80 (569.1) | 4.6 (4.1) | 4.6 (4.7) | 0.00 (503.4) |
| Total score | 35.1 (20.1) | 34.7 (25.4) | −0.26 (673.0) | 23.7 (13.1) | 25.2 (18.7) | 1.05 (466.8) |
Significant differences between 1989 and 2011: * P < 0.05; ** P < 0.01; *** P < 0.001.