Table 1.
Demographics and clinical characteristics of participants
| Time 1 | Time 2 | Time 1 versus Time 2 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| HC (n = 29) | AN (n = 24) | HC | AN | HC | AN | |||||||||||
| M | SD | M | SD | t | p | M | SD | M | SD | t | p | t | p | t | p | |
| Age (years) | 25.8 | 5.2 | 26.9 | 6.5 | −0.7 | 0.50 | ||||||||||
| Caucasian (n,%) | 22 | 76% | 16 | 67% | 0.55a | 0.46 | ||||||||||
| Estimated IQ | 117.3 | 13.4 | 112.0 | 9.5 | 1.7 | 0.11 | ||||||||||
| LNS | 12.0 | 3.1 | 11.7 | 2.4 | 0.4 | 0.67 | ||||||||||
| BMI (kg/m2) | 21.0 | 1.4 | 16.3 | 1.9 | 10.3 | < .001 | 21.0 | 1.6 | 20.5 | 0.9 | 1.4 | 0.17 | −0.33 | 0.75 | −13.4 | < .001 |
| Duration of Illness (years) | 8.6 | 6.9 | ||||||||||||||
| EDE-Q Global | 0.4 | 0.5 | 4.3 | 1.7 | − 12.2 | < .001 | 0.4 | 0.4 | 2.8 | 1.3 | −9.1 | < .001 | −0.54 | 0.6 | 6.6 | < .001 |
| TFEQ-Restraint | 5.9 | 4.2 | 17.4 | 3.6 | −10.6 | < .001 | 6.1 | 4.8 | 14.2 | 5.3 | −5.9 | < .001 | −0.43 | 0.67 | 3.9 | < .001 |
| BDI | 2.1 | 2.3 | 31.1 | 13.4 | −11.5 | < .001 | 3.1 | 2.5 | 17.4 | 14.4 | −5.2 | < .001 | −1.94 | 0.06 | 5.3 | < .001 |
| STAI(T) | 32.6 | 6.5 | 62.9 | 11.4 | −12.2 | < .001 | 32.9 | 8.2 | 56.0 | 12.2 | −8.2 | < .001 | −0.26 | 0.8 | 3.6 | 0.003 |
aChi square statistic
Missing data: BDI is missing from 1 individual with AN
AN anorexia Nervosa, BDI beck depression index [44], BMI body mass index, EDE-Q eating disorder examination-questionnaire version [45], HC healthy control, LNS letter number sequence from the Weschler Adult Intelligence Scale [46], STAI(T) Spielberger trait anxiety inventory [47], TFEQ-Restraint Three Factor Eating Questionnaire Restraint subscale [48] Estimated IQ was assessed with the Wechsler Abbreviated Scale of Intelligence [49]