NCT01385085Unknown不适用
Impact of Work Environment Absent of Natural Light on Vitamin D Levels
Medical Corps, Israel Defense Force0 个研究点目标入组 300 人开始时间: 2011年11月最近更新:
适应症
试验速览
- 阶段
- 不适用
- 发起方
- 入组人数
- 300
研究概览
简要总结
Three types of workers exposed to different levels of natural sunlight will be tested for Vitamin D blood level, PTH, Ca, P, albumin and alkaline phosphatase.
In addition, each tested worker will be asked to fill a questionnaire for demographic, medical and personal habit information.
研究设计
- 研究类型
- Observational
- 观察模型
- Case Crossover
- 时间视角
- Cross Sectional
入排标准
- 年龄范围
- 18 Years 至 45 Years（Adult）
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •people employed in their current work place at least 6 months,
排除标准
- •people who consume food additives containing Vitamin D.
- •people who have a chronic illness which harms the Vitamin D absorption, such as Celiac, chronic Pancreatitis, Cystic Fibrosis and IBS.
- •people who have a chronic illness which harms Vitamin D metabolism, such as chronic hepatitis, kidney insufficiency and Nephrotic Syndrome.
- •pregnant women.
- •people who require prescribed medicine like steroids, anti-convulsion, and HIV treatments.
研究者
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