Table 1.
Demographic and clinical characteristics of the subjects.
| ANR group (n = 19–21) | ANBP group (n = 16–18) | Healthy controls (n = 69) | Group comparisonsa | Post-hoc comparisons | ||
|---|---|---|---|---|---|---|
| Mean ± SD | Statistics | p-value | ||||
| Age (years) | 27.59 ± 11.96 | 30.61 ± 11.97 | 34.36 ± 11.03 | F = 3.22 | 0.044 | ANR < HC(p = 0.044) |
| Estimated IQb | 101.67 ± 9.02 | 100.53 ± 9.95 | 106.10 ± 8.50 | F = 3.93 | 0.023 | n. s. |
| Education (years) | 13.36 ± 2.20 | 12.83 ± 1.95 | 15.26 ± 2.27 | F = 12.18 | <0.001 | ANR < HC(p = 0.002) |
| ANBP < HC(p < 0.001) | ||||||
| Chart-recorded minimum BMI (kg/m2) | 11.54 ± 1.98 | 12.92 ± 1.99 | – | F = 4.35 | 0.045 | ANR < ANBP |
| BMI at assessment (kg/m2) | 14.27 ± 2.68 | 16.79 ± 2.69 | – | F = 7.97 | 0.008 | ANR < ANBP |
| Illness duration (years) | 9.29 ± 7.21 | 10.35 ± 7.24 | – | F = 0.19 | 0.662 | n. s. |
| EDE-Q total | 2.06 ± 1.36 | 2.43 ± 1.37 | – | F = 0.60 | 0.446 | n. s. |
ANR, anorexia nervosa, restricting subtype; ANBP, anorexia nervosa, binge-eating/purging subtype; IQ, intelligence quotient; BMI, body mass index; EDE-Q, Eating Disorder Examination-Questionnaire; SD, standard deviation; ns, not significant.
a
Group comparisons; One–way analysis of variance for age, estimated IQ, and education. Analyses of covariance for chart-recorded minimum BMI, BMI at assessment, illness duration and EDE-Q total score.
b
Estimated IQ, One-way analysis of variance revealed significant between-group differences, but the post-hoc Tukey's test revealed no such differences.