Vitamin D Status of Residents in Taiyuan, China and Influencing Factors
AbstractHigh prevalence of vitamin D deficiency has been reported worldwide. Residents of Taiyuan, China, were predicted to be at high risk of vitamin D deficiency due to its high latitude, heavy air pollution, and cultural sun avoidance. This study investigated the vitamin D status of office workers, and explored the potential determinants of capillary 25-hydroxyvitamin D (25(OH)D) concentration as well as the relationship between 25(OH)D and metabolic syndrome. Two hundred participants, aged 20 to 80 years, were recruited. Capillary dried blood spot (DBS) 25(OH)D was measured; together with anthropometric (height, weight, and waist circumference), biochemical (serum lipid profile and fasting glucose) measures and a lifestyle questionnaire. Thirty-four percent of participants had 25(OH)D concentrations below 30 nmol/L, indicating deficient vitamin D status. Women’s 25(OH)D (median; 32.7 nmol/L (upper and lower quartile; 25.8, 43.8)) was significantly lower than men (44.0 nmol/L (32.3, 55.4)) (p < 0.01). Female gender, higher fasting glucose, and increased smoking (p < 0.05) were negatively associated with 25(OH)D concentration. However, there was no association found between metabolic syndrome (MetS) and 25(OH)D concentration and no significant difference in vitamin D status between men or women with MetS compared to healthy individuals. Vitamin D deficiency was common in urban residents of Taiyuan in winter and more so in women than men. View Full-Text
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Yan, X.; Thomson, J.S.; Zhao, R.; Zhu, R.; Wang, Z.; Zhang, N.; Coad, J. Vitamin D Status of Residents in Taiyuan, China and Influencing Factors. Nutrients 2017, 9, 898.
Yan X, Thomson JS, Zhao R, Zhu R, Wang Z, Zhang N, Coad J. Vitamin D Status of Residents in Taiyuan, China and Influencing Factors. Nutrients. 2017; 9(8):898.Chicago/Turabian Style
Yan, Xiaoning; Thomson, Jasmine S.; Zhao, Ruibao; Zhu, Ruifang; Wang, Zhaolin; Zhang, Na; Coad, Jane. 2017. "Vitamin D Status of Residents in Taiyuan, China and Influencing Factors." Nutrients 9, no. 8: 898.
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