Adult dietary patterns and their association with iodine nutrition levels and thyroid function: a cross-sectional study
Abstract Objective: To understand the dietary patterns of adults and explore their association with iodine nutritional levels and thyroid function in adults. Design: We randomly collected 5 ml of adult urine samples and measured urinary iodine concentration (UIC) by cerium arsenate-catalysed spe...
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Cambridge University Press
2025-01-01
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| Series: | Public Health Nutrition |
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| Online Access: | https://www.cambridge.org/core/product/identifier/S1368980024002404/type/journal_article |
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| author | Gulinaizeer Abuduwaili Jia Huang Yan Ma Hongguang Sun |
| author_facet | Gulinaizeer Abuduwaili Jia Huang Yan Ma Hongguang Sun |
| author_sort | Gulinaizeer Abuduwaili |
| collection | DOAJ |
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Abstract
Objective:
To understand the dietary patterns of adults and explore their association with iodine nutritional levels and thyroid function in adults.
Design:
We randomly collected 5 ml of adult urine samples and measured urinary iodine concentration (UIC) by cerium arsenate-catalysed spectrophotometry. A serum sample of 5 ml was collected for the determination of free triiodothyronine, free thyroxine and thyrotropin, and diet-related information was collected through a FFQ. Dietary patterns were extracted by principal component analysis, and the relationship between dietary patterns and iodine nutrition levels and thyroid function was explored.
Settings:
A cross-sectional study involving adults in Xinjiang, China, was conducted.
Participants:
A total of 435 adults were enrolled in the study.
Results:
The overall median urinary iodine of the 435 respondents was 219·73 μg/l. The dietary patterns were PCA1 (staple food pattern), PCA2 (fruit, vegetable and meat pattern), PCA3 (fish, shrimp and legume pattern) and PCA4 (dairy-based protein pattern). The correlation analyses showed that PCA1 and PCA3 were positively correlated with the UIC. The results of the multivariable analysis showed that PCA1, Q1, Q2 and Q3 were associated with an increased risk of iodine deficiency compared with Q4 ((OR): 260·41 (95 % CI: 20·16, 663·70)), 59·89 (5·64, 335·81), and 2·01 (0·15, 26·16), respectively). In PCA2, Q3 was associated with an increased risk of iodine deficiency compared with Q4 (OR: 0·16 (0·05, 0·53)). In PCA3, Q3 was associated with an increased risk of iodine deficiency compared with Q4 (OR: 0·23 (0·06, 0·90)). In PCA4, Q1 was associated with an increased risk of iodine deficiency compared with Q4 (OR: 31·30 (4·88, 200·64)).
Conclusion:
This study demonstrated that of the four dietary patterns, the least dependent staple food pattern (Q1) had a higher risk of iodine deficiency compared with the most dependent staple food pattern (Q4). However, the current evidence on the effect of dietary patterns on thyroid function needs to be validated by further longitudinal studies that include long-term follow-up, larger sample sizes and repeated measures.
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| format | Article |
| id | doaj-art-c6084db2c59d452293705f3658995421 |
| institution | Kabale University |
| issn | 1368-9800 1475-2727 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Cambridge University Press |
| record_format | Article |
| series | Public Health Nutrition |
| spelling | doaj-art-c6084db2c59d452293705f36589954212025-01-16T21:47:13ZengCambridge University PressPublic Health Nutrition1368-98001475-27272025-01-012810.1017/S1368980024002404Adult dietary patterns and their association with iodine nutrition levels and thyroid function: a cross-sectional studyGulinaizeer Abuduwaili0Jia Huang1Yan Ma2Hongguang Sun3School of Public Health, Xinjiang Medical University, Urumqi 830054, People’s Republic of ChinaInstitute for the Control of Pathogenic Organisms, Xinjiang Uyghur Autonomous Region Centre for Disease Control and Prevention, Urumqi 830002, People’s Republic of ChinaSchool of Public Health, Xinjiang Medical University, Urumqi 830054, People’s Republic of ChinaSchool of Public Health, Xinjiang Medical University, Urumqi 830054, People’s Republic of China Abstract Objective: To understand the dietary patterns of adults and explore their association with iodine nutritional levels and thyroid function in adults. Design: We randomly collected 5 ml of adult urine samples and measured urinary iodine concentration (UIC) by cerium arsenate-catalysed spectrophotometry. A serum sample of 5 ml was collected for the determination of free triiodothyronine, free thyroxine and thyrotropin, and diet-related information was collected through a FFQ. Dietary patterns were extracted by principal component analysis, and the relationship between dietary patterns and iodine nutrition levels and thyroid function was explored. Settings: A cross-sectional study involving adults in Xinjiang, China, was conducted. Participants: A total of 435 adults were enrolled in the study. Results: The overall median urinary iodine of the 435 respondents was 219·73 μg/l. The dietary patterns were PCA1 (staple food pattern), PCA2 (fruit, vegetable and meat pattern), PCA3 (fish, shrimp and legume pattern) and PCA4 (dairy-based protein pattern). The correlation analyses showed that PCA1 and PCA3 were positively correlated with the UIC. The results of the multivariable analysis showed that PCA1, Q1, Q2 and Q3 were associated with an increased risk of iodine deficiency compared with Q4 ((OR): 260·41 (95 % CI: 20·16, 663·70)), 59·89 (5·64, 335·81), and 2·01 (0·15, 26·16), respectively). In PCA2, Q3 was associated with an increased risk of iodine deficiency compared with Q4 (OR: 0·16 (0·05, 0·53)). In PCA3, Q3 was associated with an increased risk of iodine deficiency compared with Q4 (OR: 0·23 (0·06, 0·90)). In PCA4, Q1 was associated with an increased risk of iodine deficiency compared with Q4 (OR: 31·30 (4·88, 200·64)). Conclusion: This study demonstrated that of the four dietary patterns, the least dependent staple food pattern (Q1) had a higher risk of iodine deficiency compared with the most dependent staple food pattern (Q4). However, the current evidence on the effect of dietary patterns on thyroid function needs to be validated by further longitudinal studies that include long-term follow-up, larger sample sizes and repeated measures. https://www.cambridge.org/core/product/identifier/S1368980024002404/type/journal_articleDietary patternsUrinary iodineThyroid functionIodine deficiencyAdult |
| spellingShingle | Gulinaizeer Abuduwaili Jia Huang Yan Ma Hongguang Sun Adult dietary patterns and their association with iodine nutrition levels and thyroid function: a cross-sectional study Public Health Nutrition Dietary patterns Urinary iodine Thyroid function Iodine deficiency Adult |
| title | Adult dietary patterns and their association with iodine nutrition levels and thyroid function: a cross-sectional study |
| title_full | Adult dietary patterns and their association with iodine nutrition levels and thyroid function: a cross-sectional study |
| title_fullStr | Adult dietary patterns and their association with iodine nutrition levels and thyroid function: a cross-sectional study |
| title_full_unstemmed | Adult dietary patterns and their association with iodine nutrition levels and thyroid function: a cross-sectional study |
| title_short | Adult dietary patterns and their association with iodine nutrition levels and thyroid function: a cross-sectional study |
| title_sort | adult dietary patterns and their association with iodine nutrition levels and thyroid function a cross sectional study |
| topic | Dietary patterns Urinary iodine Thyroid function Iodine deficiency Adult |
| url | https://www.cambridge.org/core/product/identifier/S1368980024002404/type/journal_article |
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