Prevalence of positive coeliac disease (CD) serology across ethnocultural groups*
| Ethnocultural group | Cases (n) | Prevalence (% (95% CI)) |
| Total population (n=2832) | 25 | 0.88 (0.57 to 1.30) |
| Caucasian (n=1490) | 22 | 1.48 (0.93 to 2.23) |
| East Asian (n=614) | 0 | – |
| South Asian (n=222) | 0 | – |
| Other (n=272) | 2 | 0.74 (0.09 to 2.63) |
| Unknown (n=234) | 1 | 0.43 (0.01 to 2.36) |
*Cases of CD were determined by measuring levels of antitissue transglutaminase (anti-tTG) IgA antibodies and previous diagnosis. tTG IgG antibodies were assessed in cases of IgA deficiency.