Did Wearing Mask and Lockdowns Affect Vitamin D Levels During the Coronavirus Disease-2019 Pandemic?

Objective: To investigate the effects of wearing mask and lockdowns during the coronavirus disease-2019 (COVID-19) pandemic on the vitamin D levels in females. Materials and Methods: This retrospective study included female adults aged 18-64 years who underwent vitamin D evaluation at our hospital in April and May from 2017 to 2020. Vitamin D levels were categorized as follows: 90%) in our population; and about 50% of them had severe deficiency. This problem was not different during the lockdown period compared with the previous two years.