Table 2.
Sociodemographic, clinical, and medical characteristics of the eating disorder subset of the cohort (n = 685)
| N | Eating disorder clinic cohort (N = 685) | |
|---|---|---|
|
Sociodemographic characteristics, total sample |
|
|
| Sex (female), n (%) |
685 |
641 (93.6%) |
| Age, M ± SD [range] |
685 |
14.7 ± 1.6 [8.7,17.9] |
| <12 yrs |
|
45 (6.6%) |
| 12-14 yrs |
|
146 (21.3%) |
| 14-16 yrs |
|
374 (54.6%) |
| >16 yrs |
|
120 (17.5%) |
| Rural residence, n (%) |
663 |
115 (17.3%) |
|
Family history, total sample |
|
|
| Eating disorder history, n (%) |
572 |
151 (26.4%) |
|
Physical features, total sample |
|
|
| BMI z score, M ± SD [range] |
636 |
−1.41 ± 1.48 [−8.17,2.13] |
| Weight loss1, n (%) |
538 |
514 (95.5%) |
| < 85% of expected height/weight, n (%) |
577 |
355 (61.5%) |
| Amenorrhoea, n (%) |
659 |
280 (42.5%) |
| Primary |
|
30 (4.6%) |
| Secondary |
|
250 (37.9%) |
|
Comorbid psychopathology, total sample |
|
|
| CDI T-score ≥ 65, n (%) |
262 |
127 (48.5%) |
| MASC T-score ≥ 65, n (%) |
264 |
89 (33.7%) |
| Current suicidal ideation, n (%) |
271 |
114 (42.1%) |
| Current self-harm, n (%) |
493 |
134 (27.2%) |
|
Eating disorder features, total sample |
|
|
| Duration of illness (months), median ± IQR [range] |
635 |
8 ± 5–12 [1,120] |
| Diagnosis, n (%) |
685 |
|
| Anorexia nervosa |
|
172 (25.2%) |
| Restricting |
|
141 (20.6%) |
| Binge/purge |
|
31 (4.5%) |
| Bulimia nervosa |
|
48 (7.0%) |
| Purging |
|
45 (6.6%) |
| Non-purging |
|
3 (0.4%) |
| Eating disorders not otherwise specified |
|
465 (67.9%) |
| Child version: EDE global, M ± SD [range] |
675 |
3.07 ± 1.57 [0.0,5.95] |
| Parent version: EDE global, M ± SD [range] |
598 |
2.94 ± 1.29 [0.0,6.93] |
| Objective binge eating, n (%) |
685 |
129 (18.8%) |
| Purging, n (%) |
685 |
237 (34.6%) |
| Self-induced vomiting, n (%) |
685 |
195 (28.5%) |
| Laxative misuse, n (%) |
685 |
49 (7.2%) |
| Diuretic misuse, n (%) |
685 |
5 (0.7%) |
| Intense exercise to control shape/weight, n (%) |
685 |
307 (44.8%) |
| Fear of weight gain (≥ 4 on EDE item), n (%) |
673 |
479 (71.2%) |
|
Eating disorder features, those with behaviour present |
|
|
| Objective binge eating, median ± IQR [range] |
129 |
10 ± 3–19 [1,168] |
| Purging |
237 |
20.00 ± 5–33.5 [1,308] |
| Self-induced vomiting, M ± SD [range] |
195 |
27.17 ± 32.07 [1,224] |
| Laxative misuse, M ± SD [range] |
49 |
22.29 ± 47.13 [1,280] |
| Diuretic misuse, M ± SD [range] | 5 | 50.40 ± 23.43 [28,84] |
Discrepancies in available N on the CDI and MASC reflect the later introduction of these measures. Values are n (%) unless otherwise indicated. Median and IQR are presented for skewed variables. BMI body mass index, CDI Children’s Depression Inventory, EDE Eating Disorder Examination, MASC Multidimensional Anxiety Scale for Children. 1Lower weight at intake than parent- or self-reported maximum ever weight.