Table 1 Descriptive data
|  | Excessive exercisers (n = 19) | Non-exercisers (n = 65) | Difference EE/non-E | Total (n = 84) |
|---|---|---|---|---|
| Â | Mean (SD) | Mean (SD) | t-value | Mean (SD) |
Age (yrs) | 27.7 (8.0) | 28.2 (7.7) | 0.21 | 28.1 (7.7) |
BMI (kg/m2) | 20.8 (3.6) | 21.8 (5.2) | 0.82 | 22.5 (4.8) |
ED duration (yrs) | 10.6 (7.7) | 12.9 (8.4) | 1.04 | 12.4 (8.3) |
Inpatient stays (number) | 1.0 (1.2) | 1.3 (2.0) | 0.60 | 1.2 (1.8) |
SCL-5 | 2.7 (0.7) | 2.4 (0.9) | 1.62 | 2.5 (1.0) |
EDE-Q | 3.9 (1.1) | 3.7 (1.1) | 0.81 | 3.7 (1.1) |
Exercise (episodes/week) | 7.2 (2.4) | 1.1 (1.5) | 10.38*** | 2.5 (0.9) |
Purging (episodes/week) | 5.5 (10.9) | 6.0 (9.6) | 0.17 | 5.9 (9.9) |
Diuretics/laxatives (episodes/week) | 0.4 (1.6) | 0.3 (0.9) | 0.25 | 0.3 (1.1) |
|  | n (%) | n (%) | χ2 | n (%) |
Diagnosis: AN | 9 (43) | 12 (57) | 7.51** | 21 (25) |
Diagnosis: BN | 5 (12) | 38 (88) | 6.33* | 43 (51) |
Diagnosis: EDNOS | 5 (25) | 15 (75) | 0.34 | 20 (24) |
BMI < 20 kg/m2 | 7 (37) | 21 (32) | 0.14 | 28 (33) |
Self-mutilation | 6 (32) | 31 (48) | 1.55 | 37 (44) |