Dietary Relationship with 24 h Urinary Iodine Concentrations of Young Adults in the Mountain West Region of the United States
Gostas DE, Larson-Meyer DE, Yoder HA, Huffman AE, Johnson EC
Nutrients · 10 citations
Review labels
Neutral facts our review recorded about how this study was done. They describe method, never whether we like the result.
How it was studied
- Design
- Cross-sectional study (indexed by PubMed)
- Studied in
- People
- Main outcome
- Health markers and function
- Intake measured by
- Food frequency questionnaire
Who paid for it
- Funding
- Independent funding
Based on full-text disclosure statement.
Publication
- Published
- 2020-01-01 · Nutrients · vol. 12 · issue 1 · p. 121
- Publisher
- Multidisciplinary Digital Publishing Institute
- Cited
- 17 citations · more than 84% of similar papers · 1.6× the field average
- References
- 66 works
- Access
- Open access (journal) · CC-BY
- Research areas
- Thyroid Disorders and Treatments · Thyroid Cancer Diagnosis and Treatment · Sodium Intake and Health
- Keywords
- Iodine, Thyroid function, Medicine, Iodised salt, Iodine deficiency, Food frequency questionnaire, Thyroid, Urine, Endocrinology, Thyroid-stimulating hormone, Internal medicine, Physiology, Chemistry
- MeSH
- humans, iodine, sodium chloride, dietary, thyrotropin, thyroid function tests, diet, diet surveys, nutrition assessment, statistics, nonparametric, cross-sectional studies, feeding behavior, nutritional status, adolescent, southwestern united states, female, male, young adult
5 authors
From US
- Demetre E. GostasUniversity of Wyoming
- D. Enette Larson‐Meyer · correspondingUniversity of Wyoming
- Hillary A. YoderUniversity of Alabama
- Ainsley E. HuffmanUniversity of Utah
- Evan C. JohnsonUniversity of Wyoming
Abstract
Background
Iodine deficiency is not seen as a public health concern in the US. However certain subpopulations may be vulnerable due to inadequate dietary sources. The purpose of the present study was to determine the dietary habits that influence iodine status in young adult men and women, and to evaluate the relationship between iodine status and thyroid function.
Methods
111 participants (31.6 ± 0.8 years, 173.2 ± 1.0 cm, 74.9 ± 1.7 kg) provided 24 h urine samples and completed an iodine-specific Food Frequency Questionnaire (FFQ) for assessment of urinary iodine content (UIC) as a marker of iodine status and habitual iodine intake, respectively. Serum Thyroid Stimulating Hormone (TSH) concentration was evaluated as a marker of thyroid function. Spearman correlational and regression analysis were performed to analyze the associations between iodine intake and iodine status, and iodine status and thyroid function.
Results
50.4% of participants had a 24 h UIC p p = 0.044) were the best predictors of UIC, accounting for 19.7% of the variance (p ≤ 0.0001). There was a significant correlation between UIC and serum TSH (r = 0.194, p p = 0.372).
Discussion
Total dairy and egg intake were the primary predictors of estimated iodine intake, as well as UIC. Iodized salt use was not a significant predictor, raising questions about the reliability of iodized salt recall. These data will be useful in directing public health and clinical assessment efforts in the US and other countries.
Abstract via Europe PMC. Copyright remains with the authors or publisher (CC BY).
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