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| Name | Class |
|---|---|
| Department of Epidemiology and Health Services, Unisanté, Lausanne | UNKNOWN |
| University Children's Hospital, Zurich | OTHER |
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This study will assess iodine status in school aged children and pregnant women is Switzerland. In addition, thyroid status and omega-3 index will be assessed in pregnant women.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| School aged children |
| ||
| Pregnant women |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| There is no intervention. It is an observational study. | Other | There is not intervention |
|
| Measure | Description | Time Frame |
|---|---|---|
| Urinary iodine concentration | urinary iodine concentration in spot urine samples | Baseline |
| Measure | Description | Time Frame |
|---|---|---|
| Urinary creatinine concentration | Urinary creatinine concentration in spot urine samples | Baseline |
| Urinary sodium concentration | Urinary sodium concentration in spot urine samples |
| Measure | Description | Time Frame |
|---|---|---|
| Weight | Baseline | |
| Height | Baseline | |
| Omega 3 intake | Assessment of omega 3 intake using a food frequency questionnaire |
Inclusion Criteria:
Exclusion Criteria:
In the group of pregnant women only pregnant women can participate. The only criteria is that the be pregnant.
Both groups: nationally representative sample selected through schools (children) and gynecologists (women).
School aged children: aged between 6 and 12 years Pregnant women: aged between 18 and 44 years, pregnant
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Human Nutrition Laboratory, ETH Zurich | Zurich | 8092 | Switzerland |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 38141138 | Derived | Fischer L, Andersson M, Braegger C, Herter-Aeberli I; Swiss Iodine Study Collaborators. Iodine intake in the Swiss population 100 years after the introduction of iodised salt: a cross-sectional national study in children and pregnant women. Eur J Nutr. 2024 Mar;63(2):573-587. doi: 10.1007/s00394-023-03287-6. Epub 2023 Dec 23. |
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spot urine samples from women and children, dried blood spots from women.
| Baseline |
| Urinary fluoride concentration | Urinary fluoride concentration in spot urine samples | Baseline |
| Thyroid stimulating hormone | TSH from dried blood spots | Baseline |
| T3 | T3 from dried blood spots | Baseline |
| T4 | T4 from dried blood spots | Baseline |
| Omega 3 index | Omega 3 index from dried blood spots | Baseline |
| Baseline |
| Depressive symptoms | Assessment of depressive symptoms using the Edinburgh Postnatal Depression Scale (EPDS). | Baseline |