Table 1

Demographic data of the 83 nested case and control pairs

CasesControls
HLA genotype, n (%)
 DQ2/DQ229 (35)11 (13)
 DQ2/DQ839 (47)36 (43)
 DQ8/DQ811 (13)20 (24)
 DQ8/X4 (5)15 (19)
 Other (ineligible)1 (1)
Age at CDA, months31 (23, 46)NA
Developed CD during follow-up, n (%)28 (34)NA
With CD-FDR, n (%)6 (7)3 (4)
Breastfeeding
 Ever breastfed, n (%)83 (100)83 (100)
 Breastfeeding stopped, months8 (5, 11)8 (4, 12)
Gluten
 Age at introduction, months6 (5, 7)6 (5, 7)
 Total intake by 2 years of age (g)8.0 (5.4, 11.0)7.6 (5.0, 11.8)
IA positivity, n (%)41 (49)15 (18)
 Prior to CDA, n (%)31 (37)NA
  • For continuous variables, the median (25th percentile, 75th percentile) is reported.

  • CD, coeliac disease; CDA, coeliac disease autoimmunity; CD-FDR, subject having a first degree relative with coeliac disease; IA, islet autoantibody; NA, not applicable.