Table 3: Autoimmunity and factors that relate to vitamin D-sensitive diseases.

Parameters relating to vitamin DMultiple SclerosisType 1 diabetesRheumatoid arthritisAutoimmune disease of thyroidInflammatory bowel disease

Incidence seasonality++++
Seasonality of birth++++
Latitude+++N/A+
Altitude+N/AN/AN/AN/A
Temperature++N/A+N/A
BMI+++N/A+
Race (skin tone)++N/AN/A
UV radiance+++++
Vitamin D intake+++++

Evidence from studies listed in the paper for positive correlation of vitamin D-sensitive parameters in each disease. +: positive correlation, −: negative correlation, N/A: information lacking.