Vitamin D has different biological actions in the body. Vitamin D has pleiotropic effects in multiple organ systems. Vitamin D deficiency has been found to have an inverse relationship with tobacco smoking. The objective of this study was to identify the prevalence of Vitamin D level and its correlates with tobacco smoking among University student male and female. Volunteer was conducted on a sample of university student, both males and females Iraq, during the period from January to December 2020. A pretested questionnaire was used for data collection adopted from previous standard national surveys and studies, and the questionnaire included information about sociodemographic characteristics and cigarette smoking habit. Blood sample collection was done to detect Vit D leve. The study included 160 university student adults, results fount that the mean age of male 24.9 and the standard deviation are 3.593 while Female mean age group 26.5 and the standard deviation are 2.814. and it's found that the male started to smoke early at age less than 16 years while female start smoking at age around 21 years. Vitamin D level status of participant smoker (n = 80) with both genders male and female it showed that Vit D deficient 20cases represent (25%) in which female represents 11 (27%) while the male represent 9(22.5%) and Vit D insufficient 27cases represent (33.75%). in which female represents 14 (35%) while the male represents 13(35.5%) When inquired about harmful effects of shisha as compared to cigarettes, shisha was more harmful. The habit of water pipes or shisha smoker ware the highest number who had vit D deficient represent 12/20 (60%), followed by cigarettes 5/20(25%), cigar 2/20(10%), and finally the habit of using pipes 1/20(5%) Our study concludes that the knowledge about Vitamin D is low among all university students specially among female student.
Aljubory et al. (Wed,) studied this question.