The aim of the study is to determinate the prevalence of moderate dehydration among children aged 9 to 11 who are going to school.
Many children have a limited caloric intake at the breakfast with a limited amount of water intake. There is no data about the prevalence of dehydration in children who are regularly going to school in France.
Study Type
OBSERVATIONAL
Enrollment
500
Rennes University Hospital
Rennes, France
Prevalence of dehydration (as defined as urinary osmolality > 800 mOsmol/l) Osmolality is measured by freezing point depression
Prevalence of dehydration (as defined as urinary osmolality \> 800 mOsmol/l) Osmolality is measured by freezing point depression
Time frame: Day 1
Amount of water intake at breakfast
To determine whether urinary osmolality is correlated to total water intake at breakfast
Time frame: Day 1
Total energy and nutrient intake
To determine whether urinary osmolality is correlated to nutrient and energy intake at breakfast.
Time frame: Day 1
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