Relationship of anthropometric measurements to thyroid nodules in a Chinese population

Weimin Xu, Zexin Chen, Na Li, Hui Liu, Liangliang Huo, Yangmei Huang, Xingyi Jin, Jin Deng, Sujuan Zhu, Shanchun Zhang, Yunxian Yu, Weimin Xu, Zexin Chen, Na Li, Hui Liu, Liangliang Huo, Yangmei Huang, Xingyi Jin, Jin Deng, Sujuan Zhu, Shanchun Zhang, Yunxian Yu

Abstract

Objective: Previous studies have found that overweight and obesity are related to numerous diseases, including thyroid cancer and thyroid volume. This study evaluates the relationship between body size and the presence of thyroid nodules in a Chinese population.

Methods: A total of 6793 adults and 2410 children who underwent thyroid ultrasonography were recruited in this cross-sectional study in Hangzhou, Zhejiang Province, China, from March to October, 2010. Sociodemographic characteristics and potential risk factors of thyroid nodules were collected by questionnaire. Height and weight were measured using standard protocols. Associations of height, weight, body mass index (BMI) and body surface area (BSA) with the presence of thyroid nodules were evaluated using multiple logistic regression models.

Results: After adjustment for potential risk factors, an increased risk of thyroid nodule incidence was associated with height (OR 1.15, 95% CI 1.02 to 1.30), weight (OR 1.40, 95% CI 1.24 to 1.58), BMI (OR 1.26, 95% CI 1.11 to 1.42) and BSA (OR 1.43, 95% CI 1.27 to 1.62) in all adults, but most obviously in women. In children, similar associations were observed between risk of thyroid nodule incidence and weight, BMI and BSA, but not height. BSA was the measurement most significantly associated with thyroid nodules in both adults and children.

Conclusions: This study identified that the presence of thyroid nodules was positively associated with weight, height, BMI and BSA in both women and girls. It suggests that tall, obese individuals have increased susceptibility to thyroid nodules.

Trial registration number: NCT01838629.

Keywords: EPIDEMIOLOGY; STATISTICS & RESEARCH METHODS.

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