Vitamin D Serum Levels
Conditions
Brief summary
Validation of a screening tool for identification of subjects at risk for suboptimal vitamin D status. Developed questionnaire-based screening tool will be used on subjects with various risks for vitamin D deficiency, and compared with 25-OH-vitamin D levels.
Interventions
OTHERScreening tool for vitamin D deficiency
(1) Determination of 25(OH) Vitamin D3 in human serum samples and (2) Question based screening tool with personal (age, gender,...), lifestyle (e.g. sun exposure, outdoor activity) and dietary factors that affect the status of vitamin D in the human body.
Sponsors
National Institute of Public Health, Slovenia
VIST - Faculty of Applied Sciences
Slovenian Research Agency
Institute of Nutrition, Slovenia (Nutris)
Study design
Observational model
COHORT
Time perspective
CROSS_SECTIONAL
Eligibility
Sex/Gender
ALL
Age
18 Years to 65 Years
Healthy volunteers
Yes
Inclusion criteria
* Signed Informed consent form (ICF), * Age between 18 and 65 years at the time of the signature of Informed consent form (ICF), * Did not change use of vitamin D conatining drugs/supplements for last 6 weeks * Willingness to follow all study procedures
Exclusion criteria
* Pregnancy or breastfeeding, * Change in use of food supplements containing Vitamin D in last 6 weeks * Acute ilness * Mental incapacity that precludes adequate understanding or cooperation.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Difference between vitamin D status (deficiency) assessed by two different methods | 1 year | Vitamin D serum level will be measured for assessment of Vitamin D status. Risk for vitamin D deficiency will be assessed using questionaire-based screening tool. Two methods will be compared. |
Countries
Slovenia
Outcome results
None listed