Shift work and serum 25-OH vitamin D status among factory workers in Northern Italy: Cross-sectional study

Tidsskriftartikel - 2015

Resume

Low levels of vitamin D are related to muscle weakness, poor balance, and higher risk of falls, and can therefore have a major impact on performance and safety at work. Little knowledge exists on the association between work environment and vitamin D status. This study evaluates vitamin D status in shift workers. In this cross-sectional study, led during early springtime, 96 male shift workers at an engineering factory in Northern Italy, and 100 male daily workers operating nearby, participated. 25-OH vitamin D concentration, anthropometric indexes, fasting glycemia and triglycerides were detected. 51 shift workers underwent anamnesis collection on lifestyle and habits and determination of heel bone mineral density. Vitamin D levels were lower in shift workers than daily ones (13.4 +/- 5.3 ng/mL versus 21.9 +/- 10.7 ng/mL, p <0.001). Linear regression analysis adjusted for age, body mass index and smoking habits confirms a statistically significant association between shift work and vitamin D levels (p <0.0001). An association trend between cigarette smoking and low vitamin D values was found. No significant association was detected between the heel bone mineral density values and vitamin D levels or smoking habits. In conclusion, this cross-sectional study highlights the high prevalence of vitamin D deficit among shift workers compared with daily ones

Reference

Romano A, Vigna L, Belluigi V, Conti D, Barberi C, Tomaino L, Consonni D, Riboldi L, Tirelli A, Andersen LL. Shift work and serum 25-OH vitamin D status among factory workers in Northern Italy: Cross-sectional study. Chronobiology International 2015;32(6):842-847.
doi: 10.3109/07420528.2015.1048867

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