Swiss National Iodine Survey 2015

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

COMPLETED

Total Enrollment

1430 participants

Study Classification

OBSERVATIONAL

Study Start Date

2015-03-31

Study Completion Date

2016-12-31

Brief Summary

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The aim of this study is to monitor iodine nutrition in Switzerland in order to inform the authorities regarding iodine content in iodized salt. As a proxy for the entire population the investigators will study school aged children, pregnant women and women of reproduction age.

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Detailed Description

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In a national sample of school aged children (n=990), pregnant women (n=700) and women of reproductive age (n=700) urinary iodine will be determined in order to assess iodine nutrition in Switzerland. In addition, in both groups of women a blood sample will be taken for the determination of thyroid hormones, iron- and folate status. Questionnaires will be used for the determination of dietary iodine and salt intake as well as sociodemographic parameters.

Conditions

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Healthy Subjects

Study Design

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Observational Model Type

OTHER

Study Time Perspective

CROSS_SECTIONAL

Study Groups

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School aged children

No interventions assigned to this group

Pregnant women

No interventions assigned to this group

Women of reproductive age

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

* Healthy
* Living in Switzerland for at least 1 year
* For pregnant women: singleton pregnancy

Exclusion Criteria

* Major known medical illness: thyroid dysfunction, gastrointestinal or metabolic disorders and taking chronic medications
* For women of reproductive age: pregnancy, breastfeeding
* Use of X-ray or CT contrast agent or iodine containing medication within the past year

Minimum Eligible Age

6 Years

Maximum Eligible Age

44 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes