A prospective, randomized controlled clinical trial to assess the efficacy of directly observed vitamin D supplementation among vitamin D deficient anesthesia workers

This is an interventional study among the healthcare workers in the department of anaesthesia ,CMCH, Vellore, who are found to have deficiency in serum vitamin D levels. The staff workers who are found to have vitamin D levels below the recommended normal values are recruited for the study. A semi-structured questionnaire will be administered to assess the symptoms of vitamin D deficiency, type of work they are involved in, duration of sun exposure, compliance to vitamin D supplementations. The study  population is then randomized to two groups observed and unobserved. Participants in the observed group are supplemented under direct observation while the subjects in the unobserved group are asked to take on their own as per the prescribed schedule and to bring back the empty sachets at the end of study. The difference in increase of serum vitamin D levels in both groups are tested, along with assess the improvement in symptoms, compliance  and quality of life