Table 1 : Celiac epidemiology and vitamin D consumption.

Celiac epidemiology Oral vitamin D

Country Prevalence Population Testing Epidemiology Assessment Consumption Comments

USA 1:113 Adults & Children Serological Up in recent decades High High Up in recent decades
Sweden 1:34 Twelve year olds Serological Big increase in 1984 Very high Very high Big increase in 1983
Finland 1:107 Karelian children Biopsy -- High High D drops from Health Service
Russia 1:496 Karelian children Biopsy -- Low Low No fortification
Germany 1:270 Adults Serological -- Low Low No fortification

Seth Bittker Journal of Allergy and Asthma  2015 2:2DOI : 10.7243/2054-9873-2-2