Table 2

Adjusted rate ratios for first ever ED diagnosis by ED subtype derived from Poisson regression analysis

ANBNEDNOS
Individuals (n)Incidence rate ratio* (95% CI)Individuals (n)Incidence rate ratio* (95% CI)Individuals (n)Incidence rate ratio* (95% CI)
Sex
 Male71-72-335-
 Female123819.1 (14.9 to 24.4)103215.7 (12.4 to 19.8)28149.1 (8.1 to 10.4)
Age
 11 to 154490.6 (0.6 to 0.7)1290.2 (0.2 to 0.2)9980.6 (0.6 to 0.7)
 16 to 20652-625-1480-
 21 to 242080.4 (0.3 to 0.5)3500.7 (0.6 to 0.8)6710.6 (0.5 to 0.6)
Deprivation
 1 (least)3952.7 (2.3 to 3.2)2721.6 (1.3 to 1.9)7691.4 (1.2 to 1.6)
 23092.2 (1.8 to 2.7)2491.4 (1.2 to 1.8)6831.3 (1.1 to 1.4)
 32542.0 (1.6 to 2.4)2031.2 (1.0 to 1.5)5691.1 (1 to 1.3)
 42271.6 (1.3 to 2.0)2191.2 (1.0 to 1.5)6461.2 (1.1 to 1.4)
 5 (most)124-161-482-
Year
 2004131-104-294-
 20051110.8 (0.6 to 1.0)1451.3 (1.0 to 1.7)2760.9 (0.8 to 1.0)
 20061210.8 (0.6 to 1.1)1311.1 (0.9 to 1.5)3181.0 (0.9 to 1.1)
 20071410.9 (0.7 to 1.2)1251.0 (0.8 to 1.4)3521.0 (0.9 to 1.2)
 20081320.9 (0.7 to 1.1)1281.0 (0.8 to 1.4)3210.9 (0.8 to 1.1)
 20091270.8 (0.6 to 1.1)1030.8 (0.6 to 1.1)3290.9 (0.8 to 1.1)
 20101050.7 (0.5 to 0.9)980.8 (0.6 to 1.1)2670.8 (0.7 to 0.9)
 20111070.7 (0.5 to 0.9)990.8 (0.6 to 1.1)2820.8 (0.7 to 1.0)
 20121110.8 (0.6 to 1.0)680.6 (0.4 to 0.8)2780.8 (0.7 to 1.0)
 20131321.0 (0.8 to 1.2)610.6 (0.4 to 0.8)2450.8 (0.7 to 1.0)
 2014910.8 (0.6 to 1.0)420.5 (0.3 to 0.7)1870.7 (0.6 to 0.9)
  • Total study Population=1 135 038 individuals.

  • *Adjusted for calendar year, sex, deprivation and stratified by age group.

  • AN, anorexia nervosa; BN bulimia nervosa; ED, eating disorder; EDNOS, ED, not otherwise specified.