Table 2.
Differences between males and females with eating disorders on study variables
| Characteristic | Mean difference | p | Result |
|---|---|---|---|
| Age of onset (yrs) | −1.42 (0.25) | <0.001 | males < females |
| Duration of illness (mths) | 1.12 (1.11) | 0.28 | |
| Shape concern | −1.17 (0.26) | <0.001 | males < females |
| Weight concern | −1.11 (0.26) | <0.001 | males < females |
| BMI z score | −0.22 (0.21) | 0.29 | |
| IRR (95 % CI) | p | Result | |
| Vomiting frequency | 0.16 (0.06, 0.43) | <0.001 | males < females |
| Intense exercise frequency | 1.08 (0.90, 1.29) | 0.41 | |
| OR (95 % CI) | p | Result | |
| BN diagnosis | 0.26 (0.05, 1.35) | 0.11 | |
| UFED diagnosis | 2.36 (1.32, 4.22) | 0.004 | males > females |
| Intense exercise presence | 0.93 (0.53, 1.62) | 0.79 | |
| Vomiting presence | 0.23 (0.09, 0.59) | 0.002 | males < females |
| Any medical feature | 0.64 (0.36, 1.12) | 0.12 | |
| Bradycardia | 0.66 (0.36, 1.21) | 0.18 | |
| Hypotension | 0.95 (0.39, 2.29) | 0.91 | |
| Hypothermia | 0.36 (0.12, 1.09) | 0.07 | |
| Poor peripheral perfusion | 1.42 (0.55, 3.67) | 0.46 |
BMI body mass index, BN bulimia nervosa, CI confidence interval, IRR incident rate ratio, OR odds ratio, UFED unspecified feeding or eating disorders