| Ages 5 to 10 years | Ages 11 to 17 years | Ages 5 to 17 years | |||||||
---|---|---|---|---|---|---|---|---|---|---|
Total cases | First-time cases | Total cases | First-time cases | Total cases | First-time cases | |||||
Count | Rate (95% CI) | Count | Rate (95% CI) | Count | Rate (95% CI) | Count | Rate (95% CI) | Rate (95% CI) | Rate (95% CI) | |
Females | 315 | 2.7 (2.4, 3.0) | 255 | 2.2 (1.9, 2.5) | 16 822 | 119.4 (117.6, 121.2) | 10 718 | 76.1 (74.7, 77.5) | 66.7 (65.7, 67.7) | 42.7 (41.9, 43.5) |
 Anorexia nervosa | 107 | 0.9 (0.7, 1.1) | 83 | 0.7 (0.6, 0.9) | 8 802 | 62.5 (61.2, 63.8) | 5 198 | 36.9 (35.9, 37.9) | 34.7 (34.0, 35.4) | 20.6 (20.0, 21.1) |
 Atypical anorexia nervosa | 5 | 0.0 (0.0, 0.1) | 1–4 | 0.0 (0.0, 0.1) | 453 | 3.2 (2.9, 3.5) | 273 | 1.9 (1.7, 2.2) | 1.8 (1.6, 1.9) | 1.1 (1.0, 1.2) |
 Bulimia nervosa | 9 | 0.1 (0.0, 0.1) | 1–4 | 0.0 (0.0, 0.0) | 1 565 | 11.1 (10.6, 11.7) | 900 | 6.4 (6.0, 6.8) | 6.1 (5.8, 6.4) | 3.5 (3.3, 3.7) |
 Other | 128 | 1.1 (0.9, 1.3) | 110 | 0.9 (0.8, 1.1) | 1 375 | 9.6 (9.1, 10.1) | 943 | 6.7 (6.3, 7.1) | 5.8 (5.5, 6.1) | 4.1 (3.9, 4.3) |
 Unspecified | 66 | 0.6 (0.4, 0.7) | 57 | 0.5 (0.4, 0.6) | 4 645 | 33.0 (32.0, 33.9) | 3 404 | 24.2 (23.4, 25.0) | 18.3 (17.8, 18.9) | 13.5 (13.0, 13.9) |
Males | 145 | 1.2 (1.0, 1.4) | 118 | 1.0 (0.8, 1.1) | 1 441 | 9.7 (9.2, 10.2) | 1 059 | 7.2 (6.7, 7.6) | 5.9 (5.6, 6.2) | 4.4 (4.1, 4.6) |
 Anorexia nervosa | 34 | 0.3 (0.2, 0.4) | 24 | 0.2 (0.1, 0.3) | 669 | 4.5 (4.2, 4.9) | 380 | 3.0 (2.7, 3.3) | 2.6 (2.4, 2.8) | 1.8 (1.6, 1.9) |
 Atypical anorexia nervosa | 1–4 | 0.0 (0.0, 0.1) | 1–4 | 0.0 (0.0, 0.0) | 29 | 0.2 (0.1, 0.3) | 25 | 0.2 (0.1, 0.2) | 0.1 (0.1, 0.2) | 0.1 (0.1. 0.1) |
 Bulimia nervosa | 1–4 | 0.0 (0.0, 0.0) | 1–4 | 0.0 (0.0, 0.0) | 84 | 0.6 (0.4, 0.7) | 57 | 0.4 (0.3, 0.5) | 0.3 (0.2, 0.4) | 0.2 (0.2, 0.3) |
 Other | 82 | 0.7 (0.5, 0.8) | 70 | 0.6 (0.4, 0.7) | 287 | 1.9 (1.7, 2.2) | 230 | 1.6 (1.4, 1.8) | 1.4 (1.2, 1.5) | 1.1 (1.0, 1.2) |
 Unspecified | 26 | 0.2 (0.1, 0.3) | 22 | 0.2 (0.1, 0.3) | 372 | 2.5 (2.3, 2.8) | 299 | 2.0 (1.8, 2.2) | 1.5 (1.3, 1.6) | 1.2 (1.1, 1.3) |