Vitamin D Status and Anthropometric Indices of an Omani Study Population
Journal Title: Sultan Qaboos University Medical Journal - Year 2013, Vol 13, Issue 2
Abstract
Objectives: Serum 25-hydroxyvitamin D [25(OH)D] concentrations reflect vitamin D status, with defciency implicated as causative of many diseases. Tis study assessed vitamin D status and anthropometric indices in a sample of healthy Omanis. Methods: Serum 25(OH)D concentrations were measured by high performance liquid chromatography in 206 healthy Omanis, aged 18–55 years (mean age: men 31.1, women 26.8) in Muscat, Oman. Of this number, 95% indicated that they had never taken vitamin D supplements. Findings were compared with published values for populations domiciled in more northerly latitudes. Classical procedures were used to determine global obesity (body mass index [BMI]), and central obesity determined by waist circumference, waist-to-hip ratio (WHR), and waist-to-height ratio. Results: Women, as compared to men, had markedly lower concentrations of 25(OH)D. Applying the cut-off point of serum 25(OH)D levels at 50 nmol/L, the prevalence of vitamin D defciency in the study population was 87.5%; this was higher than the rates reported for the British, and European-, Hispanic-, and African-Americans. At a BMI cut-point of ≥30 kg/m2, the prevalence of obesity was 14.6%; this was lower than the rates reported for European-, Hispanic-, and African-Americans. Levels of 25(OH) D increased relative to age and obesity. WHR was the main predictor of 25(OH)D levels. Conclusion: Te striking vitamin D defciency seen in the study population, relative to more northerly populations, may be linked to sun avoidance, inadequate dietary vitamin D, and virtual non-intake of supplemental vitamin D. Age and male-gender determined the status of vitamin D and of obesity.
Authors and Affiliations
Clifford Abiaka| Department of Biochemistry, College of Medicine and Health Sciences, Sultan Qaboos University, Muscat, Oman, Marit Delghandi| Department of Biochemistry, College of Medicine and Health Sciences, Sultan Qaboos University, Muscat, Oman, Meenu Kaur| Ministry of Health, Muscat, Oman, Mohsin Al-Saleh| Ministry of Health, Muscat, Oman
Keywords
Related Articles
- EP ID EP14337
- DOI -
- Views 273
- Downloads 7
“Between a Rock and a Hard Place†The discordant views among medical teachers about anatomy content in the undergraduate medical curriculum
Te last two decades of medical education have been marked by a persistent push towards curricular reform. Anatomy as a discipline, the unshakable foundation of medical teaching for hundreds of years, has been at the ce...
Jawetz, Melnick & Adelberg’s Medical Microbiology 24th Edition
Perinatal Outcome in Pregnancies with Extreme Preterm Premature Rupture of Membranes (Mid-Trimester PROM)
Objectives: Preterm premature rupture of membranes (PPROM) is defned as the rupture of fetal membranes before 37 weeks. Extreme PPROM occurs before 26 weeks’ gestation and can result in perinatal morbidity and mortal...
Perceived Benefts of Pre-Clinical Simulation-based Training on Clinical Learning Outcomes among Omani Undergraduate Nursing Students
Objectives: Tis study aimed to explore the benefts perceived by Omani undergraduate maternity nursing students regarding the effect of pre-clinical simulation-based training (PSBT) on clinical learning outcomes. Metho...
Phenomenological Explanation of Cell Inactivation Cross Section in Terms of Direct and Indirect Action
Te aim of this study was to use survival curves data for the inactivation of V79 cells and CHO-K1 cells by protons, neutrons, C12 ions and He3 ions to study the role of direct and indirect action in cell inactivation....