| Characteristic | No. (%) of patients* |
| Age, yr, mean ± SD (median, range) | 15.2 ± 1.6 (15.4, 12.0–17.6) |
| Female sex | 65 (89) |
| Comorbid medical diagnosis at admission | 22 (30) |
| Comorbid psychiatric diagnosis at admission | 25 (34) |
| Admitted directly from emergency department | 64 (88) |
| BMI at admission, kg/m2, mean ± SD (median, range) | 16.4 ± 2.5 (16.1, 11.3–26.2) |
| Duration of symptoms, wk, mean ± SD (median, range) | 55.8 ± 59.9 (41.6, 4.4–362.9) |
| Length of stay, d, mean ± SD (median, range) | 37.9 ± 19.7 (35, 9–153) |
| Household income by postal code, CAD, mean ± SD (median, range) | 83 752 ± 33 415 (82 795, 30 979–207 589) |
| Distance travelled between home and hospital, km, mean ± SD (median, range) | 39.6 ± 33.4 (31.8, 2.7–134.0) |
Note: BMI = body mass index, CAD = Canadian dollars, SD = standard deviation. *Unless otherwise indicated.