Thyroid Disorders and Cognitive Performance in Adolescents
Author Information
Author(s): Wu Tiejian, Flowers Joanne W, Tudiver Fred, Wilson Jim L, Punyasavatsut Natavut
Primary Institution: East Tennessee State University
Hypothesis
What is the relationship between subclinical thyroid conditions and cognitive performance among adolescents in the United States?
Conclusion
Subclinical hypothyroidism was associated with better performance in some areas of cognitive functions while subclinical hyperthyroidism could be a potential risk factor.
Supporting Evidence
- Subclinical hypothyroidism was found in 1.7% and subclinical hyperthyroidism in 2.3% of adolescents.
- Adolescents with subclinical hypothyroidism had significantly better scores in block design and reading than euthyroid subjects.
- Mean cognitive scores were lower in adolescents with subclinical hyperthyroidism compared to the euthyroid group.
Takeaway
Some kids with mild thyroid problems might do better in school, while others with different thyroid issues might struggle.
Methodology
The study analyzed data from the NHANES III survey, measuring thyroid hormones and cognitive performance in adolescents aged 13 to 16.
Potential Biases
The cognitive assessments were performed by trained technicians, which may not be comparable to standardized testing environments.
Limitations
The small number of adolescents with thyroid disorders may limit the power to detect differences in cognitive performance.
Participant Demographics
The sample included 46% boys and 54% girls, with a diverse ethnic representation including African American and Mexican American adolescents.
Statistical Information
P-Value
p<0.01
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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