Table 1. Descriptive Statistics (Study 1).
Early Adolescence | Late Adolescence | Young Adulthood | |
---|---|---|---|
Sample Size (n) | 154 | 209 | 46 |
Age: Mean (SD) | 11.44 (1.69) | 17.23 (1.04) | 21.22 (0.77) |
2D:4D | |||
Range | 0.88-1.08 | 0.87-1.09 | 0.91-1.05 |
Mean (SD) | 0.97 (0.03) | 0.97 (0.04) | 0.99 (0.03) |
Minnesota Eating Behavior Survey (MEBS) | |||
Total Score | |||
Range (Max = 30) | 0-18 | 0-21 | 0-24 |
Mean (SD) | 4.57 (4.53) | 5.02 (4.85) | 7.17 (6.42) |
% > clinical mean | 4.54 | 4.83 | 13.0 |
Body Dissatisfaction | |||
Range (Max = 6) | 0-6 | 0-6 | 0-6 |
Mean (SD) | 1.01 (1.47) | 1.39 (1.82) | 2.22 (2.19) |
Bulimic Symptoms | |||
Range (Max = 13) | 0-8 | 0-8 | 0-8 |
Mean (SD) | 0.91 (1.42) | 1.13 (1.54) | 1.42 (2.15) |
Weight Preoccupation | |||
Range (Max = 8) | 0-8 | 0-8 | 0-8 |
Mean (SD) | 1.93 (2.14) | 2.02 (2.10) | 2.87 (2.60) |
Eating Disorder Examination Questionnaire (EDE-Q) | |||
Global Score | |||
Range (Max = 6) | 0-3.6 | 0-4.4 | 0-4.5 |
Mean (SD) | 0.57 (0.73) | 0.86 (1.01) | 1.26 (1.31) |
% > clinical mean | 0.65 | 2.40 | 8.70 |
Eating Disorder Examination Questionnaire (EDE-Q) | |||
Dietary Restraint | |||
Range (Max = 6) | 0-4.6 | 0-4.8 | 0-5.4 |
Mean (SD) | 0.43 (0.77) | 0.55 (0.95) | 0.95 (1.28) |
Shape Concerns | |||
Range (Max = 6) | 0-5.5 | 0-5.8 | 0-5.8 |
Mean (SD) | 0.69 (0.99) | 1.23 (1.38) | 1.64 (1.69) |
Weight Concerns | |||
Range (Max = 6) | 0-5.2 | 0-5.6 | 0-4.40 |
Mean (SD) | 0.71 (0.99) | 1.02 (1.23) | 1.39 |
Note. 2D:4D = index (2D)/ring (4D) finger; Participants were females from same-sex twin pairs (see Methods).