Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
106 participants
OBSERVATIONAL
2010-05-31
2011-11-30
Brief Summary
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Detailed Description
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The physicians in the course of their internship who work indoors and work many night shifts and nurses with their shift work have limited sun exposure in all seasons.
The study addresses the amount of sun exposure, assessed by a sun exposure questioner, age, gender,number of shifts in the physicien group and in nursing group the job percentile religion (clothing cover).
The standard for measuring vitamin D status is 25(OH) D levels in the serum. The staff members from which blood will be drawn will be have an explanation about the aim of the study and will sign an informed consent.
Conditions
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Study Design
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CASE_CONTROL
CROSS_SECTIONAL
Study Groups
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medical residents, vit d
vitamin
No interventions assigned to this group
levels of vitamin d
resident
No interventions assigned to this group
Eligibility Criteria
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Inclusion Criteria
18 Years
50 Years
MALE
Yes
Sponsors
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Meir Medical Center
OTHER
Responsible Party
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ASSAF STEIN
MD
Principal Investigators
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Assaf Stein, MD
Role: PRINCIPAL_INVESTIGATOR
Meir Medical Center
Locations
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Meir medicalc enter
Kfar Saba, , Israel
Countries
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References
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Keith I. Ethamsylate and blood loss in total hip replacement. Anaesthesia. 1979 Jul-Aug;34(7):666-70. doi: 10.1111/j.1365-2044.1979.tb06368.x.
Holick MF. Vitamin D deficiency. N Engl J Med. 2007 Jul 19;357(3):266-81. doi: 10.1056/NEJMra070553. No abstract available.
Millen AE, Bodnar LM. Vitamin D assessment in population-based studies: a review of the issues. Am J Clin Nutr. 2008 Apr;87(4):1102S-5S. doi: 10.1093/ajcn/87.4.1102S.
Holick MF, Chen TC. Vitamin D deficiency: a worldwide problem with health consequences. Am J Clin Nutr. 2008 Apr;87(4):1080S-6S. doi: 10.1093/ajcn/87.4.1080S.
McCarty CA. Sunlight exposure assessment: can we accurately assess vitamin D exposure from sunlight questionnaires? Am J Clin Nutr. 2008 Apr;87(4):1097S-101S. doi: 10.1093/ajcn/87.4.1097S.
Other Identifiers
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03
Identifier Type: -
Identifier Source: org_study_id