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[Analysis of iodine nutritional status of children aged 8-10 years in Zhejiang Province from 2016 to 2021].
Mao, G M; Mo, Z; Gu, S M; Wang, Y Y; Jiang, Y J; Li, Y H; Li, X Q; Chen, Z J; Wang, X F; Lou, X M; Liu, C Y.
Afiliação
  • Mao GM; Department of Environmental Health, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou 310051, China.
  • Mo Z; Department of Environmental Health, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou 310051, China.
  • Gu SM; Department of Environmental Health, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou 310051, China.
  • Wang YY; Department of Environmental Health, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou 310051, China.
  • Jiang YJ; Department of Environmental Health, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou 310051, China.
  • Li YH; Department of Environmental Health, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou 310051, China.
  • Li XQ; Department of Environmental Health, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou 310051, China.
  • Chen ZJ; Department of Environmental Health, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou 310051, China.
  • Wang XF; Department of Environmental Health, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou 310051, China.
  • Lou XM; Department of Environmental Health, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou 310051, China.
  • Liu CY; Department of Environmental Health, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou 310051, China.
Zhonghua Yu Fang Yi Xue Za Zhi ; 58(1): 11-17, 2024 Jan 06.
Article em Zh | MEDLINE | ID: mdl-38228544
ABSTRACT

Objective:

To analyze the iodine nutrition status of children aged 8 to 10 years in Zhejiang Province from 2016 to 2021.

Methods:

A multi-stage stratified sampling method was used to select non-residential children aged 8 to 10 years from 90 counties in Zhejiang Province. A total of 114 103 children were included in the study from 2016 to 2021. Direct titration method and arsenic-cerium catalytic spectrophotometry were used to detect salt iodine content and urinary iodine level, respectively, to evaluate the iodine nutritional status of children. Ultrasound was used to detect thyroid volume and analyze the current prevalence of goiter in school-age children.

Results:

The age of 114 103 children was (9.04 ± 0.81) years old, with 50.0% of (57 083) boys. The median of iodine content M (Q1, Q3) in children's household salt was 23.00 (19.80, 25.20) mg/kg, including 17 242 non-iodized salt, 6 173 unqualified iodized salt, and 90 688 qualified iodized salt. The coverage rate of iodized salt was 84.89%, and the coverage rate of qualified iodized salt was 79.48%. The proportion of non-iodized salt increased from 11.85% in 2016 to 16.04% in 2021 (χ2trend=111.427, P<0.001). The median of urinary iodine concentration M (Q1, Q3) in children was 182.50 (121.00, 261.00) µg/L, among which the proportions of iodine deficiency, iodine suitability, iodine over suitability, and iodine excess were 17.25% (19 686 cases), 39.21% (44 745 cases), 26.85% (30 638 cases), and 16.68% (19 034 cases), respectively. The median of urinary iodine concentration in children in inland areas [M (Q1, Q3) 190.90 (128.80, 269.00) µg/L] was significantly higher than that in children in coastal areas [M (Q1, Q3) 173.00 (113.00, 250.30) µg/L] (P<0.001). From 2016 to 2021, a total of 39 134 ultrasound examinations were conducted, and 1 229 cases of thyroid enlargement were detected. The goiter rate was 3.14% (95%CI 2.97%-3.32%). The incidence of goiter in children in coastal areas [3.45% (95%CI 3.19%-3.72%), 641/18 604] was higher than that in children in inland areas [2.86% (95%CI 2.64%-3.10%), 588/20 530] (P=0.001).

Conclusion:

From 2016 to 2021, the iodine nutrition level of children aged 8-10 years in Zhejiang Province is generally suitable, and the rate of goiter in children meets the limit of iodine deficiency disease elimination standards.
Assuntos

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Desnutrição / Bócio / Iodo Tipo de estudo: Observational_studies / Prevalence_studies / Risk_factors_studies Aspecto: Determinantes_sociais_saude Limite: Child / Humans / Male País/Região como assunto: Asia Idioma: Zh Revista: Zhonghua Yu Fang Yi Xue Za Zhi Ano de publicação: 2024 Tipo de documento: Article

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Desnutrição / Bócio / Iodo Tipo de estudo: Observational_studies / Prevalence_studies / Risk_factors_studies Aspecto: Determinantes_sociais_saude Limite: Child / Humans / Male País/Região como assunto: Asia Idioma: Zh Revista: Zhonghua Yu Fang Yi Xue Za Zhi Ano de publicação: 2024 Tipo de documento: Article