Annual incidence of anorexia nervosa in young people aged 8–17 for 2015 by sex, reported per 100 000 young people
| Age | Observed incidence IR0 | Adjusted incidence IR1 | Adjusted incidence IR2 | |||||||||
| Female | 95% CI | Male | 95% CI | Female | 95% CI | Male | 95% CI | Female | 95% CI | Male | 95% CI | |
| 8 | 0.36 | 0.02 to 1.55 | 0.00 | 0.00 to 0.00 | 0.87 | 0.21 to 2.34 | 0.00 | 0.00 to 0.00 | 1.16 | 0.36 to 2.76 | 0.00 | 0.00 to 0.00 |
| 9 | 0.00 | 0.00 to 0.00 | 0.35 | 0.02 to 1.52 | 0.00 | 0.00 to 0.00 | 0.85 | 0.21 to 2.28 | 0.00 | 0.00 to 0.00 | 1.13 | 0.35 to 2.69 |
| 10 | 0.39 | 0.02 to 1.65 | 0.00 | 0.00 to 0.00 | 0.93 | 0.23 to 2.48 | 0.00 | 0.00 to 0.00 | 1.23 | 0.39 to 2.93 | 0.00 | 0.00 to 0.00 |
| 11 | 2.35 | 1.07 to 4.46 | 0.75 | 0.15 to 2.18 | 5.59 | 3.47 to 8.51 | 1.77 | 0.71 to 3.63 | 7.44 | 4.96 to 10.72 | 2.37 | 1.11 to 4.42 |
| 12 | 8.05 | 5.43 to 11.50 | 1.92 | 0.80 to 3.86 | 19.17 | 14.98 to 24.16 | 4.56 | 2.69 to 7.22 | 25.53 | 20.66 to 31.21 | 6.09 | 3.89 to 9.08 |
| 13 | 16.36 | 12.48 to 21.06 | 0.78 | 0.16 to 2.28 | 38.93 | 32.81 to 45.86 | 1.85 | 0.75 to 3.79 | 51.83 | 44.72 to 59.74 | 2.47 | 1.16 to 4.62 |
| 14 | 22.35 | 17.83 to 27.67 | 1.53 | 0.56 to 3.32 | 53.19 | 46.08 to 61.10 | 3.64 | 2.00 to 6.07 | 70.84 | 62.58 to 79.88 | 4.84 | 2.91 to 7.55 |
| 15 | 24.28 | 19.59 to 29.74 | 1.11 | 0.33 to 2.71 | 57.77 | 50.41 to 65.90 | 2.65 | 1.31 to 4.78 | 76.93 | 68.39 to 86.23 | 3.54 | 1.95 to 5.91 |
| 16 | 23.94 | 19.36 to 29.28 | 2.16 | 0.99 to 4.11 | 56.95 | 49.75 to 64.90 | 5.14 | 3.20 to 7.83 | 75.87 | 67.52 to 84.97 | 6.85 | 4.57 to 9.87 |
| 17 | 11.27 | 8.22 to 15.08 | 1.07 | 0.32 to 2.60 | 26.82 | 21.98 to 32.40 | 2.54 | 1.25 to 4.58 | 35.71 | 30.09 to 42.07 | 3.39 | 1.87 to 5.67 |
| Total | 10.78 | 9.77 to 11.87 | 0.96 | 0.68 to 1.30 | 25.66 | 24.09 to 27.30 | 2.28 | 1.84 to 2.79 | 34.17 | 32.36 to 36.06 | 3.03 | 2.52 to 3.62 |
IR, incidence rate.