After 1995, less than 50 % of children diagnosed with celiac disease were under 10 years old, and the average age at diagnosis had risen to about 8.5 years of age. (celiac.com)
The median age at diagnosis was 1.6 years in the first group and 1.7 years in the second. (sciencedaily.com)
Importantly, active smoking was associated with a significantly younger age at diagnosis in all patients. (sciencedaily.com)