Reference Values and Determinants of Hydration in Children 3-13 y

Study Results

Results pending

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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Recruitment Status

TERMINATED

Total Enrollment

1454 participants

Study Classification

OBSERVATIONAL

Study Start Date

2016-06-30

Study Completion Date

2021-06-25

Brief Summary

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Purpose:

1. Develop reference values for hydration biomarkers for children of 3 to 13 years old
2. Explore the association between children's and parents' hydration markers and fluid intake habits in children aged 3-13 y
3. Evaluate the equivalence of spot urine osmolality to 24h urine osmolality in children aged 3-13 y
4. Evaluate the differences in hydration markers between school and non-school days in children aged 3-13 y
5. Examine the role of different foods and fluids on hydration in children (3-13 y) and parents

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Detailed Description

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Recent studies in children have indicated that greater water intake and/or lower urine concentration are associated with better overall nutrition, increased physical activity, improved mood state, and enhanced cognition; which is specifically related to superior attention and memory when compared to sub-optimally hydrated children. Separately, ancillary water is being investigated as a potential treatment possibility for pediatric obesity. Although, causality cannot be directly confirmed, it is apparent that ample water intake in children, above and beyond the body's compensatory mechanisms, is preferable for psychological and physiological health. However, the prevalence of failure to meet water recommendations and hypohydration in children remains high. Still it is unclear if elevated hypohydration reports within the pediatric population are due to a general failure of children to meet water recommendations, or due to inadequacy of the published guidelines

Conditions

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Dehydration

Study Design

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Observational Model Type

FAMILY_BASED

Study Time Perspective

CROSS_SECTIONAL

Study Groups

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Healthy Kids 3-13 y

Healthy boys and girls of 3-13 y of age

No interventions assigned to this group

Parents 20-50 y

One of their Parents 20-50 y of age

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

* Boys and girls aged 3-13 years old
* Parent willing to participate as a subject as well
* Parents: aged 20-50
* Children and parents willing to collect urine samples and store them at room temperature
* Avoid strenuous exercise on day of collection
* Parent: included if \>50% of grocery shopping, food preparation, and feeding is handled by this parent

Exclusion Criteria

Parents \& Children:

* Evidence of clinically relevant metabolic, cardiovascular, hematologic, hepatic, gastrointestinal, renal, pulmonary, endocrine or psychiatric history of disease, based on the medical history questionnaire
* Use of medication that interferes with water metabolism
* Surgical operation on digestive tract (e.g. bariatric surgery), except possible appendectomy
* Regular drug treatment within 15 days prior to start of the study
* Not willing to refrain from exercise on the day before and during urine collection
* Unwilling to collect urine
* Inability to participate in the entire study
* Pregnancy for females

Children:

* Use of Diapers
* Enuresis or use of nappies during the day or during the night

Minimum Eligible Age

3 Years

Maximum Eligible Age

13 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes