Table 1:

Sociodemographic and clinical characteristics of people aged 10–105 years with at least 1 eating disorder–related emergency department visit or hospital admission during the prepandemic (January 2017 to February 2020) and pandemic periods (March 2020 to August 2022)

CharacteristicNo. (%) of patients aged
10–17 yr*
No. (%) of patients aged
18–26 yr*
No. (%) of patients aged
27–40 yr*
No. (%) of patients aged
41–105 yr*
Prepandemic
n = 2458
Pandemic
n = 3903
Prepandemic
n = 1701
Pandemic
n = 1529
Prepandemic
n = 861
Pandemic
n = 770
Prepandemic
n = 798
Pandemic
n = 668
Sex, female2164 (88.0)3527 (90.4)1573 (92.5)1438 (94.0)787 (91.4)691 (89.7)619 (77.6)549 (82.2)
Age, mean ± SD14.51 ± 1.8114.38 ± 1.7621.13 ± 2.5021.18 ± 2.4932.73 ± 3.9432.52 ± 4.0457.32 ± 13.9358.15 ± 14.69
 Median (IQR)15 (13–16)15 (13–16)21 (19–23)21 (19–23)32 (29–36)32 (29–36)53 (46–66)54 (45–69)
Rural area238 (9.7)340 (8.7)137 (8.1)119 (7.8)67 (7.8)61 (7.9)77 (9.6)72 (10.8)
Material deprivation quintile
 Q5 (most deprived)390 (15.9)594 (15.2)309 (18.2)310 (20.3)223 (25.9)186 (24.2)203 (25.4)168 (25.1)
 Q4388 (15.8)543 (13.9)295 (17.3)245 (16.0)145 (16.8)133 (17.3)147 (18.4)134 (20.1)
 Q3425 (17.3)652 (16.7)291 (17.1)266 (17.4)115 (13.4)110 (14.3)137 (17.2)97 (14.5)
 Q2556 (22.6)921 (23.6)345 (20.3)323 (21.1)182 (21.1)145 (18.8)138 (17.3)130 (19.5)
 Q1 (least deprived)666 (27.1)1137 (29.1)424 (24.9)365 (23.9)191 (22.2)192 (24.9)164 (20.6)128 (19.2)
Pre-existing MH condition (2-yr lookback)1554 (63.2)2392 (61.3)1478 (86.9)1321 (86.4)762 (88.5)666 (86.5)570 (71.4)474 (71.0)
Pre-existing eating disorder (lifetime lookback to 2002)456 (18.6)669 (17.1)718 (42.2)564 (36.9)420 (48.8)389 (50.5)269 (33.7)237 (35.5)
Pre-existing eating disorder (2-yr lookback)419 (17.0)615 (15.8)489 (28.7)390 (25.5)277 (32.2)238 (30.9)168 (21.1)137 (20.5)
Eating disorders
Anorexia nervosa1100 (44.8)1883 (48.2)638 (37.5)563 (36.8)338 (39.3)287 (37.3)239 (29.9)206 (30.8)
Bulimia nervosa260 (10.6)301 (7.7)361 (21.2)262 (17.1)226 (26.2)192 (24.9)110 (13.8)75 (11.2)
Other eating disorders1533 (62.4)2417 (61.9)905 (53.2)897 (58.7)414 (48.1)377 (49.0)499 (62.5)435 (65.1)
Provisionally diagnosed eating disorders10 (0.4)11 (0.3)61 (3.6)44 (2.9)34 (3.9)18 (2.3)14 (1.8)14 (2.1)
Eating disorder–related ED visits
Patients with an eating disorder–related ED visit1438 (58.5)2997 (78.6)1451 (85.3)1434 (93.8)598 (69.5)581 (75.5)386 (48.4)344 (51.5)
Setting, no. (%) of patients with eating disorder–related ED visit
 Community or small hospital626 (43.5)1251 (41.7)791 (54.5)703 (49.0)337 (56.4)299 (51.5)247 (64.0)218 (63.4)
 Adult academic hospital101 (7.0)149 (5.0)605 (41.7)665 (46.4)223 (37.3)261 (44.9)113 (29.3)115 (33.4)
 Pediatric academic hospital711 (49.4)1597 (53.3)55 (3.8)66 (4.6)38 (6.4)21 (3.6)26 (6.7)11 (3.2)
Eating disorder–related hospital admissions
Patients with an eating disorder–related hospital admission2335 (95.0)3609 (92.5)1318 (77.5)1143 (74.8)766 (89.0)649 (84.3)637 (79.8)540 (80.8)
Setting, no. (%) of patients with eating disorder–related hospital admission
 Community or small hospital813 (34.8)1482 (41.1)715 (54.2)578 (50.6)377 (49.2)313 (48.2)345 (54.2)299 (55.4)
 Adult academic hospital196 (8.4)241 (6.7)585 (44.4)549 (48.0)379 (49.5)322 (49.6)275 (43.2)227 (42.0)
 Pediatric academic hospital1326 (56.8)1886 (52.3)18 (1.4)16 (1.4)10 (1.3)14 (2.2)17 (2.7)14 (2.6)
Length of hospital stay, d, mean ± SD23.25 ± 45.4218.39 ± 33.0931.04 ± 85.2119.05 ± 27.6530.04 ± 43.0026.07 ± 37.4636.05 ± 47.0930.20 ± 40.93
 Median (IQR)12 (6–24)11 (5–20)12 (3–35)8 (3–25)17 (5–42)14 (5–31)21 (7–47)15 (7–37)
  • Note: ED = emergency department, IQR = interquartile range, MH = mental health, SD = standard deviation.

  • * Unless indicated otherwise.

  • Proportions do not add up to 100% because some people had diagnoses in more than 1 category.

  • Other eating disorders included atypical anorexia nervosa, atypical bulimia nervosa, pica, rumination disorder, feeding disorders of infancy and childhood, other eating disorders and unspecified eating disorders.