Table 1.
Mean (SD) age, BMI and scores on measures of body dissatisfaction, eating disorder features and mental health for underweight and normal-weight women
| Underweight (n = 231) |
Normal-Weight (n = 2976) |
||||
|---|---|---|---|---|---|
| Mean (SD) | Mean (SD) | t | p | d | |
| Age | 26.87 (7.31) | 29.71 (7.25) | -5.72 | < 0.01 | 0.39 |
| BMI (kg/m2) | 17.52 (0.97) | 21.90 (1.71) | -38.55 | < 0.01 | 3.15 |
| Eating Disorder Examination Subscales |
|||||
| Body dissatisfaction | 1.38 (1.48) | 2.15 (1.79) | -6.31 | < 0.01 | 0.47 |
| Restraint | 0.75 (1.29) | 1.15 (1.33) | -4.38 | < 0.01 | 0.31 |
| Eating concern | 0.45 (0.90) | 0.57 (0.88) | -1.98 | < 0.05 | 0.14 |
| Weight/Shape concern | 1.18 (1.24) | 1.78 (1.45) | -6.14 | < 0.01 | 0.44 |
| Global score | 0.83 (1.05) | 1.24 (1.12) | -5.28 | < 0.01 | 0.38 |
| SF-12 PCSi | 49.74 (8.76) | 50.87 (7.70) | -2.08 | < 0.05 | 0.14 |
| SF-12 MCSii | 44.83 (10.78) | 46.06 (10.49) | -1.67 | 0.09 | 0.12 |
| QOL-Piii | 3.59 (0.63) | 3.69 (0.60) | -2.28 | < 0.05 | 0.16 |
| K-10iv | 41.85 (6.67) | 43.27 (5.83) | -3.25 | < 0.01 | 0.23 |
i SF-12 Physical Component Summary scale.
ii SF-12 Mental Component Summary scale.
iii WHOQOL-BREF Psychological Functioning subscale.
iv Kessler Psychological Distress Scale.