300
Participants
Start Date
January 31, 2015
Primary Completion Date
February 28, 2015
Study Completion Date
February 28, 2015
Blood sampling
One blood sampling will be performed for a serum vitamin D dosage. The volume of blood collected will not exceed 4 ml.
Predictive questionnaire for vitamin D insufficiency
The questionnaire includes 19 questions concerning the following topics : a) sun exposure, b) living situation, c) eating habits and Vitamin D dietary intakes. In addition, two questions will capture demographic data.
Clinical Nutrition Center Naturalpha (CNCN), Lille
Naturalpha
INDUSTRY
Lesieur
INDUSTRY