The prevalence of vitamin D deficiency and associated factors in first‐episode psychosis - Tsiglopoulos - Early Intervention in Psychiatry - Wiley Online Library
Vitamin D deficiency is prevalent in people with established psychotic disorders, but less is known about vitamin D levels in people with first-episode psychosis (FEP). This study aimed to determine the prevalence of vitamin D deficiency in people with FEP and identify the factors associated with vitamin D status.