Risk Factors for Vitamin D Deficiency100,120
| Risk Factor | Cause |
|---|---|
| Inadequate sunlight exposure | Residing in cold climates |
| Residing in northern latitudes | |
| Wearing sun protective clothing | |
| Wearing winter protective clothing | |
| Inadequate dietary intake | Vegetarian diet |
| Vegan diet | |
| Malabsorption syndromes | Crohn’s disease |
| Celiac disease | |
| Ethnic minorities, particularly those with darker skin pigmentation, have higher incidence of vitamin D deficiency. | |