Status:
COMPLETED
Familial Clustering of Vitamin D Deficiency Via Shared Environment: The Korean National Health And Nutrition Examination Survey 2008-2012
Lead Sponsor:
Yonsei University
Conditions:
Vitamin D Deficiency
Eligibility:
All Genders
10-95 years
Brief Summary
Vitamin D deficiency is a modifiable risk factor for poor bone health. Familial correlation of serum 25-hydroxyvitamin D concentration (25(OH)D) was reported in twin- or family-based studies, mostly f...
Detailed Description
From the Korean National Health and Nutritional Examination Survey (KNHANES) conducted between 2008 and 2012, familial correlations for 25(OH)D will be estimated in different types of family relation ...
Eligibility Criteria
Inclusion
- KNHANES(Korean National Health and Nutrition Examination Survey) 2008-2012 participants
Exclusion
- missing value on 25-hydroxyvitamin D levels
- data on another household member was unavailable
- the precise family relationship between the subjects was unclear
Key Trial Info
Start Date :
January 1 2008
Trial Type :
OBSERVATIONAL
Allocation :
ACTUAL
End Date :
December 31 2012
Estimated Enrollment :
28551 Patients enrolled
Trial Details
Trial ID
NCT03349879
Start Date
January 1 2008
End Date
December 31 2012
Last Update
November 24 2017
Active Locations (1)
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1
Division of Endocrinology, Department of internal Medicine, Yonsei University College of Medicine, Severance Hospital
Seoul, South Korea, 03722